Active NPI 1346338274 Individual Practitioner Male Practitioner

Dr. Benjamin D Prentiss , MD

Internal Medicine • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Benjamin Prentiss, MD is a certified Internal Medicine practicing in Worcester, MA. With approximately 22 years of clinical experience since graduating from University Of Massachusetts Medical School in 2004, Dr. Prentiss delivers high-quality medical care to the local community at UMASS MEMORIAL HEALTHCARE.

Dr. Prentiss maintains professional affiliations with Athol Memorial Hospital Incorporated, Henry Heywood Memorial Hospital, Heywood Medical Group Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient outpatient office visit, ultrasound of heart with color-depicted blood flow, rate, direction and valve function. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

Umass Memorial Healthcare
55 Lake Ave North

Worcester, MA 01655

Telephone 5083341000

Associated Practice Facility / Clinic

🏢 Umass Memorial Medical Center, Inc. Facility NPI 1831151455

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Worcester, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs +2.6 yrs vs City Avg

City Avg: 19.4 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

460 Specialists

Practicing in Worcester, MA (7127 Statewide)

Telehealth Adoption Rate

15.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Prentiss (22 Years) 22 Yrs

Worcester Specialty Average (19.4 Years) 19.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	857	695	$36.36	$8.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	271	241	$122.24	$97.95
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	253	248	$264.80	$67.52
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	110	16	$31.64	$8.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	95	87	$673.34	$168.61
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	94	39	$123.02	$29.51
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	79	79	$80.67	$20.63
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	79	79	$192.14	$13.61
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	71	12	$71.56	$24.85
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	51	51	$271.92	$74.99
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	36	$212.03	$145.12
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	40	20	$222.93	$36.63
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	38	38	$31.68	$25.24
93280 Programming of dual lead pacemaker system	30	26	$131.20	$36.88
99213 Established patient office or other outpatient visit, typically 15 minutes	30	30	$251.03	$64.27
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	21	21	$413.10	$80.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$399.78	$82.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$451.40	$78.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$456.29	$131.11
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	13	13	$148.69	$18.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$599.45	$134.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	759	624	$32.86	$8.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	333	279	$109.14	$99.43
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	214	210	$226.44	$68.67
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	114	14	$27.00	$8.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	105	95	$571.83	$176.92
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	80	38	$106.00	$30.39
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	63	12	$50.00	$26.56
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	56	56	$77.30	$21.28
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	56	56	$184.50	$14.04
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	50	48	$235.00	$77.54
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	49	23	$192.00	$37.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	38	$216.07	$144.34
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	37	36	$31.86	$25.88
93280 Programming of dual lead pacemaker system	31	26	$112.00	$37.86
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	27	14	$33.00	$26.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$147.36	$135.77
99213 Established patient office or other outpatient visit, typically 15 minutes	22	20	$220.91	$67.28
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	21	21	$380.52	$83.04
92960 External shock to heart to regulate heart beat	19	19	$762.00	$110.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$388.00	$132.55
93284 Programming of multiple lead implantable defibrillator system	18	14	$152.00	$62.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	15	$368.00	$76.41
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	17	17	$132.94	$18.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$341.00	$84.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	900	693	$31.73	$8.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	272	227	$116.34	$102.18
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	220	215	$220.63	$72.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	96	87	$566.00	$202.20
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	85	37	$106.00	$31.40
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	77	76	$75.00	$22.52
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	77	76	$180.00	$15.03
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	69	68	$235.00	$80.40
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	63	28	$192.00	$38.88
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	61	55	$238.89	$137.51
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	53	16	$27.00	$8.56
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	41	40	$45.68	$26.73
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	36	12	$73.00	$27.55
93280 Programming of dual lead pacemaker system	33	28	$112.00	$39.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$189.50	$140.16
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	24	24	$370.00	$87.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	19	19	$489.95	$191.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	13	$326.00	$77.71
93284 Programming of multiple lead implantable defibrillator system	16	15	$152.00	$64.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	13	$286.00	$105.67
92960 External shock to heart to regulate heart beat	13	13	$762.00	$108.20
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$102.27	$69.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	633	523	$29.68	$8.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	272	218	$111.54	$98.20
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	232	229	$220.29	$73.29
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	115	15	$27.00	$8.32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	86	79	$566.00	$207.96
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	85	17	$73.00	$27.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	78	65	$186.50	$133.89
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	57	28	$77.93	$31.90
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	51	22	$159.65	$39.52
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	36	36	$180.00	$15.29
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	36	36	$75.00	$22.87
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	33	33	$235.00	$81.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	24	$286.00	$107.30
93280 Programming of dual lead pacemaker system	26	23	$112.00	$40.22
99213 Established patient office or other outpatient visit, typically 15 minutes	23	22	$119.39	$64.83
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	22	22	$65.36	$27.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$216.05	$142.40
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$354.88	$141.11
99442 Telephone medical discussion with physician, 11-20 minutes	11	11	$108.91	$66.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	580	484	$32.92	$9.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	233	195	$115.57	$83.47
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	166	160	$220.26	$78.16
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	127	21	$73.00	$28.82
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	101	16	$27.00	$9.80
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	85	43	$106.00	$33.23
99443 Telephone medical discussion with physician, 21-30 minutes	75	67	$318.03	$83.96
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	65	27	$192.00	$40.79
99442 Telephone medical discussion with physician, 11-20 minutes	52	48	$138.65	$54.12
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	47	47	$75.00	$23.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	47	46	$350.00	$145.92
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	47	47	$180.00	$15.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	43	40	$190.49	$118.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	33	$566.00	$213.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$314.53	$137.37
93280 Programming of dual lead pacemaker system	25	22	$112.00	$41.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	18	$326.00	$91.66
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	20	20	$235.00	$84.15
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	11	11	$121.27	$28.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	988	749	$32.58	$8.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	373	298	$116.57	$82.43
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	243	33	$73.00	$27.82
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	242	238	$220.32	$77.06
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	132	52	$106.00	$32.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	115	103	$326.00	$110.95
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	102	16	$85.00	$27.82
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	94	33	$192.00	$46.96
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	71	71	$75.00	$23.35
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	70	70	$180.00	$15.57
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	57	47	$150.95	$116.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	52	52	$350.00	$143.28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$566.00	$206.21
93280 Programming of dual lead pacemaker system	39	35	$112.00	$40.40
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	36	36	$235.00	$82.97
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$382.67	$135.19
93272 Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional	25	25	$78.00	$26.67
93284 Programming of multiple lead implantable defibrillator system	25	15	$152.00	$66.37
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	22	22	$370.00	$89.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	16	$286.00	$103.54
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	16	$400.00	$153.38
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	19	19	$122.42	$27.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$500.00	$173.00
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	11	11	$78.00	$34.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,159	830	$32.95	$8.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	319	272	$117.37	$81.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	262	206	$326.00	$111.10
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	260	251	$219.90	$76.18
93793 Anticoagulant management of patient taking warfarin	162	17	$21.42	$12.06
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	146	27	$73.00	$27.47
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	104	50	$106.00	$31.87
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	96	95	$75.00	$23.08
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	96	95	$180.00	$15.38
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	92	18	$85.00	$27.86
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	91	18	$61.23	$22.89
85610 Blood test, clotting time	77	17	$17.00	$4.75
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	74	33	$192.00	$57.72
93000 Routine ekg using at least 12 leads including interpretation and report	74	70	$65.19	$16.76
93299 Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days	74	35	$143.00	$25.92
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	64	62	$120.00	$27.13
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	60	$178.19	$115.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	60	54	$566.18	$207.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	58	56	$352.12	$142.03
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	51	51	$235.00	$82.38
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	48	24	$73.00	$22.96
93280 Programming of dual lead pacemaker system	44	37	$112.00	$39.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	30	$393.18	$140.49
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	40	40	$106.00	$32.04
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$426.69	$175.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$240.63	$134.35
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	27	12	$85.00	$27.95
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	26	26	$370.00	$88.58
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	24	22	$192.00	$51.82
93272 Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional	23	23	$78.00	$26.34
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	17	$286.00	$108.23
93284 Programming of multiple lead implantable defibrillator system	16	14	$152.00	$65.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$500.00	$172.30
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	$627.00	$216.00
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$58.00	$53.18
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	12	12	$130.00	$27.86
92960 External shock to heart to regulate heart beat	11	11	$762.00	$112.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	776	554	$37.06	$8.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	515	370	$326.14	$109.98
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	306	299	$219.93	$65.60
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	247	28	$56.00	$21.17
93000 Routine ekg using at least 12 leads including interpretation and report	243	214	$63.00	$17.44
85610 Blood test, clotting time	221	27	$17.00	$5.28
93299 Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days	185	37	$143.00	$28.87
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	153	66	$120.00	$27.84
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days	128	25	$73.00	$27.17
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	125	22	$27.00	$9.27
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	102	43	$106.00	$34.79
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	101	77	$400.00	$147.20
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	86	84	$180.00	$15.23
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	86	84	$75.00	$22.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	60	57	$566.00	$207.20
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	58	13	$85.00	$27.53
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	58	58	$235.00	$78.53
93280 Programming of dual lead pacemaker system	52	35	$112.00	$39.23
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	51	23	$192.00	$69.46
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	37	$400.00	$113.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	37	$350.00	$139.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$500.00	$165.00
93272 Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional	30	30	$78.00	$26.10
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	26	26	$627.00	$212.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	23	$326.00	$80.37
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$627.00	$172.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	21	$286.00	$106.64
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report	20	20	$370.00	$87.73
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	19	18	$37.00	$14.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$500.00	$125.65
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$216.00	$75.67
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	13	13	$968.00	$307.43
92960 External shock to heart to regulate heart beat	12	12	$762.00	$106.93
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$216.00	$52.05

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 230394

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.

Hospital & Practice Group Affiliations

Athol Memorial Hospital Incorporated

2033 Main St, Athol, MA 013313535

Phone: 9782493511

Henry Heywood Memorial Hospital

242 Green St, Gardner, MA 014401336

Phone: 9786323420

Heywood Medical Group Inc.

250 Green St, Gardner, MA 014401396

Phone: 9786306460

Heywood Medical Group Inc.

242 Green St, Gardner, MA 014401336

Practice Associates & Co-Workers

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

40 Associated Practitioners

Stacy Meulenaere , OTR, L

Occupational Therapist

NPI 1003096660

Occupational Therapist Registered, L

Dr. Yoonyie Cho , MD

Anesthesiology

NPI 1003253675

Doctor of Medicine (M.D.)

Dr. Max Hazeltine , MD

Student in an Organized Health Care Education/Training Program

NPI 1003347568

Doctor of Medicine (M.D.)

Dr. Irma Hashmi , DO

Internal Medicine - Gastroenterology

NPI 1003348137

Doctor of Osteopathic Medicine (D.O.)

Baylee Arnold

Emergency Medicine

NPI 1003495300

Dr. Julia Waldman , DO

Student in an Organized Health Care Education/Training Program

NPI 1003510058

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at UMASS MEMORIAL HEALTHCARE, 55 LAKE AVE NORTH, WORCESTER, MA 01655 (Tel: 5083341000)

📍

Updated Business Mailing Address July 08, 2007

Registered at 55 LAKE AVE N, UMASS MEDICAL SCHOOL DEPT OF CARDIOLOGY, WORCESTER, MA 016550002 (Tel: 5083341000)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as BENJAMIN PRENTISS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #230394 in MA)

🟢

Initial NPI Registration & Enumeration October 10, 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: 1346338274

Entity Type:

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

Enumeration Date: October 10, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

55 Lake Ave N, Umass Medical School Dept Of Cardiology

Worcester, MA 016550002

Phone: 5083341000

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.