Active NPI 1356338032 Individual Practitioner Male Practitioner

Dr. Mark K Li , MD

Internal Medicine • Wheaton, MD

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mark Li, MD is a certified Internal Medicine practicing in Wheaton, MD. With approximately 49 years of clinical experience since completing medical education in 1977, Dr. Li delivers high-quality medical care to the local community at 1721 UNIVERSITY BLVD W.

Dr. Li is affiliated with Elliot R Goldstein Md And Joel R Schulman Md Pa and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, denosumab, 1 mg, established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1721 University Blvd W

Wheaton, MD 209023650

Telephone 3016495151

Fax 3016497368

Associated Practice Facility / Clinic

🏢 Mark K Li, Md Facility NPI 1730353855

Medicare Profile & Education

Medical School

Other

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Wheaton, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

49 Yrs Matches City Avg

City Avg: 49.0 Yrs

State Avg: 28.1 Yrs

Regional Practice Density

3 Specialists

Practicing in Wheaton, MD (4114 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

53.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Li (49 Years) 49 Yrs

Wheaton Specialty Average (49.0 Years) 49.0 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
J0897 Injection, denosumab, 1 mg	3,720	40	$52.00	$25.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	599	272	$301.00	$136.51
99213 Established patient office or other outpatient visit, typically 15 minutes	222	161	$203.01	$97.90
93000 Routine ekg using at least 12 leads including interpretation and report	200	187	$100.00	$14.54
93922 Ultrasound study of arm and leg arteries	198	160	$353.00	$91.91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	193	193	$261.30	$135.36
90662 Influenza vaccine split virus, preservative free	165	164	$125.00	$81.58
G0008 Administration of influenza virus vaccine	165	164	$62.50	$35.85
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	89	53	$77.50	$15.30
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	88	88	$97.10	$25.96
G0444 Annual depression screening, 5 to 15 minutes	67	67	$75.00	$20.05
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	49	49	$500.00	$287.02
G0009 Administration of pneumococcal vaccine	48	48	$62.50	$35.85
99443 Telephone medical discussion with physician, 21-30 minutes	37	35	$250.00	$137.47
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	20	$410.00	$184.85
99496 Transitional care management services for problem of high complexity	15	12	$600.00	$296.40
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$275.20	$171.29
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$387.40	$171.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	3,420	35	$52.00	$23.27
99213 Established patient office or other outpatient visit, typically 15 minutes	819	304	$202.39	$101.84
93922 Ultrasound study of arm and leg arteries	373	241	$352.17	$98.35
93000 Routine ekg using at least 12 leads including interpretation and report	247	235	$100.00	$15.32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	221	221	$261.30	$144.80
90662 Influenza vaccine split virus, preservative free	194	190	$124.87	$71.86
G0008 Administration of influenza virus vaccine	193	189	$62.50	$34.63
G0444 Annual depression screening, 5 to 15 minutes	167	167	$74.46	$21.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	103	$301.00	$142.90
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	116	116	$88.48	$28.70
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	100	100	$500.00	$282.26
G0009 Administration of pneumococcal vaccine	100	100	$62.50	$34.63
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	78	49	$77.50	$16.11
99443 Telephone medical discussion with physician, 21-30 minutes	65	52	$250.00	$142.89
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	25	25	$191.18	$86.77
99496 Transitional care management services for problem of high complexity	16	11	$600.00	$312.75
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$380.12	$184.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$410.00	$200.47
99442 Telephone medical discussion with physician, 11-20 minutes	11	11	$200.00	$101.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	2,760	29	$52.00	$21.65
99213 Established patient office or other outpatient visit, typically 15 minutes	830	305	$202.78	$104.44
93922 Ultrasound study of arm and leg arteries	429	265	$352.76	$101.58
93000 Routine ekg using at least 12 leads including interpretation and report	248	234	$100.00	$15.31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	203	203	$261.30	$149.97
90662 Influenza vaccine split virus, preservative free	185	184	$124.86	$68.52
G0008 Administration of influenza virus vaccine	184	183	$62.38	$34.65
G0444 Annual depression screening, 5 to 15 minutes	138	138	$75.00	$21.72
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	122	122	$48.00	$29.86
99443 Telephone medical discussion with physician, 21-30 minutes	77	64	$250.00	$146.32
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	67	40	$191.18	$93.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	50	$301.00	$145.14
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	19	19	$387.40	$191.00
99496 Transitional care management services for problem of high complexity	18	18	$600.00	$321.47
99442 Telephone medical discussion with physician, 11-20 minutes	18	16	$200.00	$104.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$125.47	$62.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	3,300	31	$52.00	$20.66
99213 Established patient office or other outpatient visit, typically 15 minutes	947	320	$202.88	$105.51
93922 Ultrasound study of arm and leg arteries	471	286	$353.00	$105.88
93000 Routine ekg using at least 12 leads including interpretation and report	248	231	$151.45	$16.00
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	224	224	$261.47	$153.25
G0008 Administration of influenza virus vaccine	218	218	$62.40	$20.07
90662 Influenza vaccine split virus, preservative free	217	217	$124.41	$64.64
G0444 Annual depression screening, 5 to 15 minutes	185	185	$59.02	$22.17
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	167	167	$48.00	$30.43
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	84	46	$191.18	$100.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	38	$301.00	$147.31
G0009 Administration of pneumococcal vaccine	25	25	$62.50	$20.05
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$275.20	$193.39
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$175.00	$119.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	22	$128.70	$65.95
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	22	22	$117.00	$17.51
99496 Transitional care management services for problem of high complexity	21	17	$559.71	$309.94
76706 Ultrasound scan of abdominal aorta	19	19	$191.65	$135.48
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	13	11	$115.00	$39.63
95250 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment	13	12	$457.69	$194.59
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$387.40	$192.96
93270 Heart rhythm symptom-related tracing of 24-hour ekg monitoring up to 30 days	11	11	$40.00	$10.21
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$520.34	$255.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	2,340	23	$52.00	$19.59
99213 Established patient office or other outpatient visit, typically 15 minutes	945	281	$202.94	$83.34
93922 Ultrasound study of arm and leg arteries	415	262	$352.75	$100.08
93000 Routine ekg using at least 12 leads including interpretation and report	225	211	$200.00	$17.80
90662 Influenza vaccine split virus, preservative free	222	210	$111.86	$59.99
G0008 Administration of influenza virus vaccine	220	208	$62.40	$19.42
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	191	191	$261.50	$126.92
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	103	103	$48.00	$28.21
G0444 Annual depression screening, 5 to 15 minutes	88	88	$34.00	$20.23
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	66	39	$191.18	$92.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	40	$301.00	$120.91
G0009 Administration of pneumococcal vaccine	42	42	$62.50	$19.32
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	37	37	$175.00	$114.17
36410 Insertion of needle into vein, patient 3 years or older	34	34	$58.50	$19.73
99496 Transitional care management services for problem of high complexity	18	17	$553.00	$271.45
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$520.34	$230.69
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$387.40	$186.21
95250 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment	15	13	$445.00	$177.53
82270 Stool analysis for blood to screen for colon tumors	15	15	$57.20	$4.34
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	14	12	$115.00	$38.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	2,460	22	$52.00	$18.62
99213 Established patient office or other outpatient visit, typically 15 minutes	1,142	283	$202.84	$81.72
81002 Urinalysis, manual test	492	244	$38.98	$3.41
93922 Ultrasound study of arm and leg arteries	465	269	$352.78	$99.91
93000 Routine ekg using at least 12 leads including interpretation and report	240	225	$199.42	$17.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	215	215	$261.48	$126.08
G0008 Administration of influenza virus vaccine	184	181	$62.38	$19.06
90662 Influenza vaccine split virus, preservative free	177	175	$110.45	$54.49
G0444 Annual depression screening, 5 to 15 minutes	170	170	$33.98	$19.87
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	168	168	$48.00	$27.85
36410 Insertion of needle into vein, patient 3 years or older	146	106	$58.50	$19.38
G0009 Administration of pneumococcal vaccine	105	105	$62.50	$19.06
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	70	39	$191.18	$91.88
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	56	56	$175.00	$109.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	38	$301.00	$119.27
90670 Pneumococcal vaccine for injection into muscle	51	51	$375.00	$209.65
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	28	25	$115.00	$38.02
99496 Transitional care management services for problem of high complexity	25	22	$553.00	$253.71
95250 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment	19	19	$445.00	$176.32
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$387.40	$184.87
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$275.20	$178.71
76706 Ultrasound scan of abdominal aorta	15	15	$191.65	$127.83
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	14	14	$117.00	$19.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	2,280	21	$52.00	$17.88
99213 Established patient office or other outpatient visit, typically 15 minutes	1,080	290	$202.72	$77.44
81002 Urinalysis, manual test	648	274	$38.97	$3.41
93922 Ultrasound study of arm and leg arteries	482	279	$352.57	$98.81
93000 Routine ekg using at least 12 leads including interpretation and report	248	239	$178.18	$16.31
G0008 Administration of influenza virus vaccine	223	220	$62.40	$23.72
90662 Influenza vaccine split virus, preservative free	222	218	$74.93	$51.66
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	221	221	$261.48	$123.40
36410 Insertion of needle into vein, patient 3 years or older	190	133	$58.50	$18.29
G0444 Annual depression screening, 5 to 15 minutes	176	176	$33.98	$19.28
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	167	167	$48.14	$26.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	89	47	$298.51	$114.20
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	71	39	$191.18	$89.84
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	66	12	$70.00	$22.35
G0009 Administration of pneumococcal vaccine	48	48	$62.50	$23.72
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	28	28	$175.00	$105.59
82947 Blood glucose (sugar) level	23	16	$40.95	$4.75
90670 Pneumococcal vaccine for injection into muscle	21	21	$360.00	$198.68
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	21	21	$275.20	$174.43
76706 Ultrasound scan of abdominal aorta	19	19	$191.65	$103.73
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	14	14	$117.00	$18.68
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$387.40	$180.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	2,640	24	$52.00	$16.58
99213 Established patient office or other outpatient visit, typically 15 minutes	1,240	287	$202.65	$78.49
81002 Urinalysis, manual test	656	261	$37.98	$3.42
93922 Ultrasound study of arm and leg arteries	497	277	$352.84	$100.78
93000 Routine ekg using at least 12 leads including interpretation and report	267	255	$128.49	$16.69
36410 Insertion of needle into vein, patient 3 years or older	250	145	$58.43	$18.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	243	243	$261.46	$123.22
90662 Influenza vaccine split virus, preservative free	229	228	$74.48	$47.63
G0444 Annual depression screening, 5 to 15 minutes	226	226	$33.98	$19.41
G0008 Administration of influenza virus vaccine	226	225	$62.40	$29.47
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	179	179	$48.00	$26.84
G0009 Administration of pneumococcal vaccine	144	144	$62.17	$29.60
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	90	21	$57.88	$28.28
90670 Pneumococcal vaccine for injection into muscle	84	84	$343.27	$187.84
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	79	41	$190.20	$84.14
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	70	12	$65.00	$2.89
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	58	58	$159.06	$95.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	38	$300.92	$114.24
99497 Advance care planning, first 30 minutes	38	38	$162.00	$84.99
82947 Blood glucose (sugar) level	35	19	$40.95	$5.28
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$387.40	$180.68
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$265.34	$175.41
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	11	11	$117.00	$18.95
76706 Ultrasound scan of abdominal aorta	11	11	$209.51	$103.49

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D0027865

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

04960807 (DC)

Medicaid State Provider ID

139301400 (MD)

Commercial Insurance / Payer ID Mdipa

85347

Commercial Insurance / Payer ID Railroad Medicare

110003971 (DC)

Commercial Insurance / Payer ID Aetna Hmo

0075758

Commercial Insurance / Payer ID Aetna Ppo

4081271

Commercial Insurance / Payer ID United Healthcare

413303

Commercial Insurance / Payer ID Carefirst Bcbs (Nca)

37220001 (DC)

Commercial Insurance / Payer ID Ncppo

494439

Commercial Insurance / Payer ID Adventist Healthcare

27865

Hospital & Practice Group Affiliations

Elliot R Goldstein Md And Joel R Schulman Md Pa

6000 Executive Blvd, Rockville, MD 208523803

Phone: 3014688999

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 15, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location April 15, 2008

Registered at 1721 UNIVERSITY BLVD W, WHEATON, MD 209023650 (Tel: 3016495151)

📍

Updated Business Mailing Address April 15, 2008

Registered at 1721 UNIVERSITY BLVD W, WHEATON, MD 209023650 (Tel: 3016495151)

👤

Provider Name / Credentials Updated April 15, 2008

Recorded as MARK LI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 15, 2008

Internal Medicine (License #D0027865 in MD)

🟢

Initial NPI Registration & Enumeration September 29, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Mark Li. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1356338032

Entity Type:

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

Enumeration Date: September 29, 2005

Last Update: April 15, 2008

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1721 University Blvd W

Wheaton, MD 209023650

Phone: 3016495151

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.