Deactivated NPI 1467482083 Deactivated / Inactive NPI Male Practitioner

Dr. David M Scherer , MD

Internal Medicine • Grapevine, TX

⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. David Scherer has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 03, 2006

NPI Deactivation Date July 19, 2023

Total Practice Duration ~17 Years of Practice (2006 – 2023)

Professional Overview & Biography Verified Profile Summary

Dr. David Scherer, MD was a registered Internal Medicine practicing in Grapevine, TX. Throughout an active medical career spanning 17 years, Dr. Scherer provided care at the practice location at 1600 W COLLEGE ST until profile deactivation on 2023-07-19.

Historical Medicare Part B clinical services included established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report, anticoagulant management of patient taking warfarin. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

1600 W College St
Suite 680

Grapevine, TX 760513580

Telephone 8179128400

Fax 8179128410

Associated Practice Facility / Clinic

🏢 Perinatal Medicine Associates, Llp Facility NPI 1972679322

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Grapevine, TX

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.2 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

29 Specialists

Practicing in Grapevine, TX (9538 Statewide)

Telehealth Adoption Rate

27.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	363	350	$168.44	$88.65
93000 Routine ekg using at least 12 leads including interpretation and report	260	260	$51.39	$14.21
93793 Anticoagulant management of patient taking warfarin	121	57	$40.92	$11.15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	102	102	$254.26	$66.92
J2785 Injection, regadenoson, 0.1 mg	80	20	$191.00	$60.50
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	74	74	$728.97	$192.08
85610 Blood test, clotting time	66	27	$25.74	$4.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$207.18	$110.27
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	48	42	$30.00	$7.99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	31	$186.19	$73.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	41	$352.24	$127.48
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	37	36	$128.00	$12.05
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	31	31	$257.52	$61.97
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	29	28	$695.17	$57.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	27	$238.22	$125.01
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	26	26	$1598.80	$430.93
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	26	25	$1035.48	$229.79
93308 Ultrasound of heart, follow-up	25	25	$361.12	$95.92
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	19	19	$28.08	$3.03
93308 Ultrasound of heart, follow-up	15	15	$361.12	$24.41
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	14	13	$2056.93	$494.42
93320 Ultrasound of heart blood flow, valves and chambers	13	13	$65.31	$17.40
93312 Ultrasound of heart with probe in esophagus, with report	13	13	$392.94	$104.19
36415 Insertion of needle into vein for collection of blood sample	13	13	$17.00	$8.40
93280 Programming of dual lead pacemaker system	11	11	$299.22	$79.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	950	789	$124.17	$89.66
93000 Routine ekg using at least 12 leads including interpretation and report	593	587	$50.42	$14.07
93793 Anticoagulant management of patient taking warfarin	545	111	$33.77	$11.23
J2785 Injection, regadenoson, 0.1 mg	212	53	$191.00	$60.87
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	190	187	$221.50	$69.26
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	157	140	$30.00	$8.12
85610 Blood test, clotting time	156	39	$23.17	$4.23
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	144	141	$697.52	$200.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	125	125	$197.73	$110.58
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	125	82	$131.52	$69.78
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	105	101	$128.00	$12.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	73	72	$259.86	$130.60
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	67	66	$874.49	$243.23
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	63	63	$206.08	$63.59
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	59	55	$671.19	$60.11
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	54	54	$1248.58	$455.99
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	50	21	$77.50	$23.31
93242 Heart rhythm recording continous external ekg over more than 48 hours up to 7 days	48	48	$96.00	$12.65
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	46	46	$98.00	$24.21
93308 Ultrasound of heart, follow-up	45	42	$255.08	$99.78
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	43	19	$97.18	$29.77
93280 Programming of dual lead pacemaker system	34	25	$178.14	$80.80
93308 Ultrasound of heart, follow-up	32	32	$258.60	$23.51
36415 Insertion of needle into vein for collection of blood sample	31	31	$17.00	$2.95
Q9957 Injection, perflutren lipid microspheres, per ml	28	11	$178.00	$45.45
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	23	19	$1687.85	$466.42
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	21	21	$16.59	$3.11
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	18	18	$676.73	$236.34
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	15	15	$72.31	$21.49
93312 Ultrasound of heart with probe in esophagus, with report	15	15	$351.39	$107.27
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	15	15	$50.70	$14.38
93454 Insertion of tube in coronary artery for diagnosis with review by radiologist	14	14	$735.53	$203.81
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	13	13	$224.01	$76.75
93880 Ultrasound of both sides of head and neck blood flow	13	13	$588.99	$193.78
92960 External shock to heart to regulate heart beat	12	12	$707.00	$101.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$288.05	$164.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	890	730	$105.00	$90.66
93793 Anticoagulant management of patient taking warfarin	593	93	$31.00	$11.43
93000 Routine ekg using at least 12 leads including interpretation and report	525	519	$50.00	$14.67
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	363	308	$30.00	$8.26
J2785 Injection, regadenoson, 0.1 mg	249	63	$193.30	$58.82
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	215	211	$205.00	$70.51
85610 Blood test, clotting time	172	36	$22.00	$4.29
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	159	157	$685.00	$205.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	148	94	$115.00	$70.95
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	98	93	$128.00	$12.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	94	94	$195.00	$111.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	72	72	$225.00	$133.97
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	69	69	$190.00	$64.51
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	68	67	$801.00	$234.86
93308 Ultrasound of heart, follow-up	61	57	$212.00	$25.41
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	56	55	$707.14	$64.27
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	50	50	$1126.00	$482.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$315.00	$194.68
G0250 Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent	49	24	$25.00	$7.96
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	42	19	$75.00	$24.76
93280 Programming of dual lead pacemaker system	39	26	$162.00	$78.70
Q9957 Injection, perflutren lipid microspheres, per ml	37	17	$178.00	$46.93
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	36	36	$13.00	$3.18
93308 Ultrasound of heart, follow-up	36	34	$212.00	$102.03
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	35	26	$1491.00	$468.38
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	34	16	$92.00	$29.12
93242 Heart rhythm recording continous external ekg over more than 48 hours up to 7 days	33	33	$96.00	$14.28
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	33	33	$98.00	$24.65
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	30	30	$606.87	$241.31
99442 Telephone medical discussion with physician, 11-20 minutes	25	25	$128.00	$91.46
36415 Insertion of needle into vein for collection of blood sample	23	21	$17.00	$3.00
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	22	22	$70.00	$21.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$280.00	$166.61
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	22	22	$50.00	$14.64
93880 Ultrasound of both sides of head and neck blood flow	19	19	$517.00	$202.04
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	19	19	$202.00	$77.81
93320 Ultrasound of heart blood flow, valves and chambers	18	18	$45.64	$18.15
93312 Ultrasound of heart with probe in esophagus, with report	18	18	$345.00	$108.80
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	18	18	$155.00	$7.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$170.00	$123.98
78492 Nuclear medicine study heart muscle at rest and/or stress multiple studies	15	15	$3224.00	$1355.37
A9555 Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	14	14	$390.00	$306.78
93225 Electrocardiogram (ecg) 2-day continuous	14	14	$105.00	$19.98
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	14	14	$85.00	$18.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$170.00	$99.17
92960 External shock to heart to regulate heart beat	14	14	$707.00	$108.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	843	695	$105.00	$75.31
93793 Anticoagulant management of patient taking warfarin	731	120	$31.00	$11.92
93000 Routine ekg using at least 12 leads including interpretation and report	431	427	$50.00	$17.10
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	208	179	$30.00	$8.64
J2785 Injection, regadenoson, 0.1 mg	204	51	$191.00	$58.98
85610 Blood test, clotting time	186	57	$22.00	$4.26
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	155	155	$208.10	$73.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	143	86	$115.00	$73.29
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	123	120	$685.00	$206.82
99442 Telephone medical discussion with physician, 11-20 minutes	122	119	$61.50	$54.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	98	98	$195.00	$106.62
93308 Ultrasound of heart, follow-up	79	79	$212.00	$26.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	68	$315.00	$203.28
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	62	62	$190.00	$69.11
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	62	62	$11.16	$3.28
93308 Ultrasound of heart, follow-up	61	58	$212.00	$100.50
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	60	60	$801.00	$237.45
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	53	51	$128.00	$12.52
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	51	51	$155.00	$7.53
G0250 Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent	47	23	$25.00	$9.42
93280 Programming of dual lead pacemaker system	44	32	$162.00	$73.15
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	39	16	$75.00	$25.84
36415 Insertion of needle into vein for collection of blood sample	36	35	$17.00	$2.98
A9555 Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	34	32	$332.65	$313.42
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	34	13	$92.00	$31.91
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	34	34	$37.03	$14.56
78492 Nuclear medicine study heart muscle at rest and/or stress multiple studies	32	32	$3224.00	$1324.73
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	26	26	$608.25	$238.45
0296T External EKG recording for more than 48 hours up to 21 days	26	23	$96.00	$19.25
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	23	21	$98.00	$26.16
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	21	21	$720.00	$65.14
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	21	21	$1126.00	$479.41
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	20	18	$1491.00	$521.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$225.00	$139.87
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	19	19	$50.00	$15.24
99443 Telephone medical discussion with physician, 21-30 minutes	19	19	$66.76	$63.29
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	18	18	$202.00	$81.17
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	16	16	$70.00	$22.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	14	$85.00	$39.66
93880 Ultrasound of both sides of head and neck blood flow	15	15	$517.00	$203.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$170.00	$104.06
93312 Ultrasound of heart with probe in esophagus, with report	12	12	$345.00	$112.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$280.00	$166.03
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$105.00	$52.03
93320 Ultrasound of heart blood flow, valves and chambers	11	11	$43.72	$18.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	986	749	$105.01	$73.78
93000 Routine ekg using at least 12 leads including interpretation and report	492	481	$50.00	$16.90
J2785 Injection, regadenoson, 0.1 mg	220	55	$140.89	$57.59
85610 Blood test, clotting time	172	61	$22.00	$4.28
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	172	167	$685.00	$205.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	147	147	$195.00	$106.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	141	86	$112.23	$72.94
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	105	104	$205.00	$74.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	80	$170.00	$107.13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	76	75	$315.00	$202.77
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	70	69	$190.00	$68.14
93308 Ultrasound of heart, follow-up	66	62	$212.00	$96.81
93308 Ultrasound of heart, follow-up	52	51	$212.00	$25.79
93280 Programming of dual lead pacemaker system	50	37	$162.00	$63.90
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	48	48	$620.00	$229.62
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	47	46	$10.00	$3.24
36415 Insertion of needle into vein for collection of blood sample	38	36	$17.00	$2.94
A9555 Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	36	34	$283.33	$279.04
0296T External EKG recording for more than 48 hours up to 21 days	34	33	$96.00	$15.82
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	33	33	$801.00	$246.30
93880 Ultrasound of both sides of head and neck blood flow	33	33	$513.88	$199.37
78492 Nuclear medicine study heart muscle at rest and/or stress multiple studies	32	32	$3224.00	$1313.64
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	30	29	$98.00	$25.91
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	29	13	$75.00	$25.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	18	$85.00	$39.45
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	27	27	$1126.00	$478.95
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	27	27	$720.00	$51.31
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	26	26	$155.00	$7.47
93312 Ultrasound of heart with probe in esophagus, with report	23	22	$345.00	$110.67
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	21	20	$50.00	$15.04
93320 Ultrasound of heart blood flow, valves and chambers	21	20	$43.00	$18.56
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	20	18	$30.00	$8.56
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	18	18	$202.00	$80.20
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	16	14	$1491.00	$541.65
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$105.00	$48.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$280.00	$164.12
92960 External shock to heart to regulate heart beat	12	12	$707.00	$110.71
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$245.00	$111.38
93459 Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist	11	11	$902.00	$278.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,180	17	$3.02	$0.12
99213 Established patient office or other outpatient visit, typically 15 minutes	699	560	$105.00	$71.63
93000 Routine ekg using at least 12 leads including interpretation and report	414	393	$50.00	$16.66
J2785 Injection, regadenoson, 0.1 mg	256	64	$85.00	$55.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	256	211	$170.00	$106.37
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	193	186	$685.00	$205.50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	169	117	$110.00	$71.81
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	167	165	$207.87	$73.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	122	122	$195.00	$104.98
85610 Blood test, clotting time	113	25	$22.00	$4.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	89	88	$315.00	$200.91
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	82	81	$190.00	$64.56
36415 Insertion of needle into vein for collection of blood sample	61	60	$17.00	$2.91
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	54	54	$1126.00	$482.99
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	54	54	$720.00	$40.99
93280 Programming of dual lead pacemaker system	48	33	$162.00	$57.31
0296T External EKG recording for more than 48 hours up to 21 days	46	45	$96.00	$15.32
93880 Ultrasound of both sides of head and neck blood flow	44	44	$517.00	$196.73
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	42	41	$98.00	$25.49
93308 Ultrasound of heart, follow-up	38	32	$212.00	$103.79
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	34	33	$801.00	$208.64
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	25	$85.00	$38.83
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	26	12	$75.00	$25.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$280.00	$162.44
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	25	25	$620.00	$217.59
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	24	23	$10.00	$3.19
93308 Ultrasound of heart, follow-up	22	22	$212.00	$24.94
A9555 Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	20	19	$285.00	$280.44
93312 Ultrasound of heart with probe in esophagus, with report	20	19	$345.00	$109.00
78492 Nuclear medicine study heart muscle at rest and/or stress multiple studies	19	19	$3224.00	$1291.18
93320 Ultrasound of heart blood flow, valves and chambers	19	18	$43.00	$18.25
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	18	18	$50.00	$14.30
82565 Blood creatinine level	18	18	$26.00	$6.20
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	17	17	$128.00	$12.47
93225 Electrocardiogram (ecg) 2-day continuous	17	16	$105.00	$24.74
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	17	15	$1491.00	$570.11
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	16	15	$85.00	$26.71
93922 Ultrasound study of arm and leg arteries	14	13	$250.00	$74.57
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	14	14	$202.00	$79.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$355.00	$166.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$245.00	$109.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	704	551	$105.00	$71.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	362	299	$170.00	$104.99
J2785 Injection, regadenoson, 0.1 mg	260	65	$85.00	$54.46
93000 Routine ekg using at least 12 leads including interpretation and report	214	199	$50.00	$16.67
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	194	190	$685.00	$224.82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	185	116	$110.00	$71.40
85610 Blood test, clotting time	164	33	$22.00	$5.28
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	141	141	$205.00	$63.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$195.00	$105.07
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	85	85	$190.00	$67.09
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	75	74	$710.40	$41.30
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	74	74	$1126.00	$480.73
36415 Insertion of needle into vein for collection of blood sample	58	48	$17.00	$2.92
93280 Programming of dual lead pacemaker system	46	31	$162.00	$57.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	46	$315.00	$200.26
99231 Follow-up hospital inpatient care per day, typically 15 minutes	44	36	$85.00	$38.76
93880 Ultrasound of both sides of head and neck blood flow	42	42	$517.00	$198.04
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	38	38	$128.00	$12.18
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	33	33	$417.00	$238.25
93308 Ultrasound of heart, follow-up	29	29	$212.00	$25.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$225.00	$135.10
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	28	25	$10.00	$3.18
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	26	26	$30.00	$8.40
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	25	25	$85.00	$24.68
93225 Electrocardiogram (ecg) 2-day continuous	25	25	$105.00	$25.83
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	24	24	$801.00	$264.65
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	23	23	$50.00	$14.78
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	22	13	$45.00	$19.99
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	21	21	$202.00	$78.76
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	16	16	$620.00	$262.19
93312 Ultrasound of heart with probe in esophagus, with report	16	14	$345.00	$108.84
93320 Ultrasound of heart blood flow, valves and chambers	16	14	$43.00	$18.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$280.00	$160.97
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch	13	11	$1491.00	$565.55
93308 Ultrasound of heart, follow-up	12	12	$212.00	$123.09
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	12	12	$155.00	$7.35
93454 Insertion of tube in coronary artery for diagnosis with review by radiologist	11	11	$1621.45	$152.72

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX J4502

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners

Dr. Raul Santos , MD

Internal Medicine - Cardiovascular Disease

NPI 1013926039

Doctor of Medicine (M.D.)

Alicia Stem

Physician Assistant

NPI 1124330816

Kelly Ferguson , AGACNP

Nurse Practitioner - Acute Care

NPI 1174247217

Adult-Gerontology Acute Care Nurse Practitioner

Dr. John Lawson , MD

Internal Medicine - Cardiovascular Disease

NPI 1386674935

Doctor of Medicine (M.D.)

Anna Andrews , NURSE PRACTITIONER

Nurse Practitioner - Acute Care

NPI 1538153317

NURSEPRACTITIONER

Dr. Phillip Hecht , MD

Internal Medicine - Cardiovascular Disease

NPI 1598794802

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

⚠️

NPI Profile Deactivated July 19, 2023

Record deactivated on July 19, 2023

✅

NPI Profile Active September 18, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 18, 2012

Registered at 1600 W COLLEGE ST, SUITE 680, GRAPEVINE, TX 760513580 (Tel: 8179128400)

📍

Updated Business Mailing Address September 18, 2012

Registered at 1600 W COLLEGE ST, SUITE 680, GRAPEVINE, TX 760513580 (Tel: 8179128400)

👤

Provider Name / Credentials Updated September 18, 2012

Recorded as DAVID SCHERER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 18, 2012

Internal Medicine (License #J4502 in TX)

🟢

Initial NPI Registration & Enumeration July 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1467482083

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 03, 2006

Last Update: September 18, 2012

Deactivation Date: July 19, 2023

Update or Correct Profile

Mailing Address

1600 W College St, Suite 680

Grapevine, TX 760513580

Phone: 8179128400

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.