NPPES file of Aug 9, 2026

Wei Fan, M.D.

Internal Medicine Physician · Rockville, MD

Wei Fan, M.D. is an internal medicine physician with a practice address in Rockville, Maryland, and NPI 1013273606, issued on Apr 8, 2012. Check the license (Maryland D0078938, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013273606
Name
Wei Fan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
D0078938 MD
D78938 MD
Self-reported in NPPES; status is on the state search
Practice location
2401 Research Blvd Ste 370, Rockville, MD 20850
Phone
(240) 690-4114
Enumerated
Apr 8, 2012
Record last updated
Mar 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(240) 654-3915
Medicare enrollment
Enrolled (PECOS I20160205001982); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2401 Research Blvd Ste 370

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mo-Ping Chow, M.D.Internal Medicine Physician1801896550
  2. Virmarie Marrero, RN, IBCLCLactation Consultant (Registered Nurse)1376900688
  3. Dongmei Wang, M.D.Medical Oncology Physician1447422431

Verify Wei Fan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0078938
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.2 times the Medicare Part D claims of the average internal medicine physician in 2024

10,005 Medicare Part D claims for 501 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Wei Fan10,005
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate917 claims
  2. Atorvastatin Calcium917 claims
  3. Losartan Potassium785 claims
  4. Rosuvastatin Calcium523 claims
  5. Metoprolol Succinate497 claims
  6. Metformin Hcl406 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): 93.1 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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,134.68

51 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Wei Fan$1,134.68
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Wei Fan among 3,904 internal medicine physician records in Maryland

Wei Fan, 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 2012, is newer than 69% of them.

  • NPI issued2012 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1985 · median 2003 among the 2,445 with a school on file
  • Record last updated2018 · 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).

179 internal medicine physician records list a practice address in Rockville

They are 179 of the 14,353 NPPES records with a practice address in Rockville, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mehrdad Akhlaghi, MDRockville, MD 208501124019062
  2. Steven Braunstein, MDRockville, MD 208501720079502
  3. Mo-Ping Chow, M.D.Rockville, MD 208501801896550
  4. Atul Grover, MDRockville, MD 208501386635233
  5. Sudeepa Gupta, MDRockville, MD 208501134110653
  6. Konstantin Khludenev, MDRockville, MD 208501538154075
  7. Robert Kirkcaldy, MDRockville, MD 208501700877651
  8. Heather Lorenzo, MDRockville, MD 208501700877669

Common questions

What is Wei Fan, M.D.'s NPI number?

Wei Fan, M.D.'s National Provider Identifier (NPI) is 1013273606, issued on Apr 8, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Wei Fan, M.D. located?

The NPPES record lists a practice address at 2401 Research Blvd Ste 370, Rockville, MD, 20850. Phone: (240) 690-4114. Providers update this record themselves, so call before visiting.

How can I verify Wei Fan, M.D.'s license?

NPPES lists Maryland license number D0078938, 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 Wei Fan, M.D. prescribe under Medicare Part D?

In 2024, Wei Fan, M.D. had 10,005 Medicare Part D claims for 501 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Wei Fan, M.D.'s MIPS final score?

The 2023 MIPS final score is 93.1 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.