NPPES file of Aug 9, 2026

Patrick Weiyun Fong, M.D.

Internal Medicine Physician · Laurel, MD

Patrick Weiyun Fong, M.D. is an internal medicine physician with a practice address in Laurel, Maryland, and NPI 1548502131, issued on Mar 21, 2013. Check the license (Maryland D0100446, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548502131
Name
Patrick Weiyun Fong
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0100446 MD
Self-reported in NPPES; status is on the state search
Practice location
13952 Baltimore Ave, Laurel, MD 20707
Phone
(301) 490-1990
Enumerated
Mar 21, 2013
Record last updated
Aug 27, 2025
Fax
(301) 490-8750
Medicare enrollment
Enrolled (PECOS I20240913002371); 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 13952 Baltimore Ave

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

  1. Robert Ferris, DOInternal Medicine Physician1144590415
  2. Kirsten LandersFamily Nurse Practitioner1740969930
  3. Robert Maggin, MDInternal Medicine Physician1255322574
  4. Jenny Moy, MDInternal Medicine Physician1093706301
  5. Mary O'Brien, CRNPPrimary Care Nurse Practitioner1578554887
  6. Lalitha Tadikonda, MDInternal Medicine Physician1265423586

Verify Patrick Weiyun Fong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0100446    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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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

249 Medicare Part D claims for 70 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Patrick Fong249
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate16 claims
  2. Atorvastatin Calcium14 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.

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

38 internal medicine physician records list a practice address in Laurel

They are 38 of the 2,372 NPPES records with a practice address in Laurel, and 3,904 internal medicine physician records in Maryland.

All 38 in Laurel → All 3,904 in Maryland → Every provider in Laurel →

Other internal medicine physician records in Maryland

  1. Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
  2. Rasheed Abassi, M.D.Clinton, MD1376608620
  3. Ghulam Abbas, MDFrederick, MD1477658045
  4. Shamima Abbas, MDKensington, MD1750445896
  5. Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
  6. Arsalan Abbasi, MDWestminster, MD1942762604
  7. Hamdi AbdeenGaithersburg, MD1245972413
  8. Mukemil Abdella, M.D.Glenn Dale, MD1871603381
  9. Suzan Abdo, MDClarksville, MD1588631824
  10. Madeeha Abdul GhaffarElkton, MD1194276063

Common questions

What is Patrick Weiyun Fong, M.D.'s NPI number?

Patrick Weiyun Fong, M.D.'s National Provider Identifier (NPI) is 1548502131, issued on Mar 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Weiyun Fong, M.D. located?

The NPPES record lists a practice address at 13952 Baltimore Ave, Laurel, MD, 20707. Phone: (301) 490-1990. Providers update this record themselves, so call before visiting.

How can I verify Patrick Weiyun Fong, M.D.'s license?

NPPES lists Maryland license number D0100446, 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 Patrick Weiyun Fong, M.D. prescribe under Medicare Part D?

In 2024, Patrick Weiyun Fong, M.D. had 249 Medicare Part D claims for 70 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.