Mark K. Li, M.D.
Internal Medicine Physician · Wheaton, MD
Mark K. Li, M.D. is an internal medicine physician with a practice address in Wheaton, Maryland, and NPI 1356338032, issued on Sep 29, 2005. Check the license (Maryland D0027865, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark K. Li
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0027865 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1721 University Blvd W, Wheaton, MD 20902
- Phone
- (301) 649-5151
- Enumerated
- Sep 29, 2005
- Record last updated
- Apr 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 649-7368
- Medicaid IDs
- 04960807 DC
139301400 MD - Medicare enrollment
- Enrolled (PECOS I20080223000089); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Mark K. Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0027865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,585 Medicare Part D claims for 286 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate327 claims
- Rosuvastatin Calcium284 claims
- Atorvastatin Calcium281 claims
- Metformin Hcl203 claims
- Losartan Potassium146 claims
- Levothyroxine Sodium121 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $658.48
15 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Elliot R Goldstein MD And Joel R Schulman MD PARockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark K. Li among 3,904 internal medicine physician records in Maryland
Mark K. Li, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1977 · median 2003 among the 2,445 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Maryland
There are 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Wheaton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hiruth Abebe, M.DSilver Spring, MD 209021205840972
- Sunitha Bhogavilli, M.D.Silver Spring, MD 209021114953452
- Penny Bisk, M.D.Silver Spring, MD 209021346218112
- Anjana Dhar, M.D.Silver Spring, MD 209021215989488
- Christopher Dunford, M.D.Silver Spring, MD 209021962424028
- Habib Farhoudi, M.D.Silver Spring, MD 209021750348504
- Julie Fox, M.D.Silver Spring, MD 209021316923402
- Suresh Gupta, M.D.Silver Spring, MD 209021093789869
Common questions
What is Mark K. Li, M.D.'s NPI number?
Mark K. Li, M.D.'s National Provider Identifier (NPI) is 1356338032, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark K. Li, M.D. located?
The NPPES record lists a practice address at 1721 University Blvd W, Wheaton, MD, 20902. Phone: (301) 649-5151. Providers update this record themselves, so call before visiting.
How can I verify Mark K. Li, M.D.'s license?
NPPES lists Maryland license number D0027865, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark K. Li, M.D. prescribe under Medicare Part D?
In 2024, Mark K. Li, M.D. had 3,585 Medicare Part D claims for 286 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mark K. Li, M.D.'s MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.