Brian Anyanwu, MD
Internal Medicine Physician · Williamsport, PA
Brian Anyanwu, MD is an internal medicine physician with a practice address in Williamsport, Pennsylvania, and NPI 1558002501, issued on Apr 5, 2022. Check the license (Pennsylvania MD490304, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Brian Anyanwu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD490304 PA
Self-reported in NPPES; status is on the state search - Practice location
- 700 High St, Williamsport, PA 17701
- Phone
- (570) 321-2850
- Enumerated
- Apr 5, 2022
- Record last updated
- Sep 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20250922001628); accepts Medicare assignment
- Medical or professional school
- Rutgers, Robert Woood Johnson Medical School, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 700 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Anyanwu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD490304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
302 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium23 claims
- Amitriptyline Hcl13 claims
- Pantoprazole Sodium13 claims
- Albuterol Sulfate Hfa12 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
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Anyanwu among 7,300 internal medicine physician records in Pennsylvania
Brian Anyanwu, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2008 among the 4,208 with a school on file
- Record last updated2025 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 internal medicine physician records list a practice address in Williamsport
They are 31 of the 1,371 NPPES records with a practice address in Williamsport, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Williamsport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Cullen, D.O.Williamsport, PA 177011730156043
- David Finn, MDWilliamsport, PA 177011194786004
- Daniel GlunkWilliamsport, PA 177011881654010
- Russell Gombosi, MDWilliamsport, PA 177011528078433
- Puneet Gupta, M.D.Williamsport, PA 177011497962286
- Barbara Heere, MDWilliamsport, PA 177011902865793
- Renuka KakaralaWilliamsport, PA 177011417012030
- Joanne Lalli, MDWilliamsport, PA 177011942293287
Common questions
What is Brian Anyanwu, MD's NPI number?
Brian Anyanwu, MD's National Provider Identifier (NPI) is 1558002501, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brian Anyanwu, MD located?
The NPPES record lists a practice address at 700 High St, Williamsport, PA, 17701. Phone: (570) 321-2850. Providers update this record themselves, so call before visiting.
How can I verify Brian Anyanwu, MD's license?
NPPES lists Pennsylvania license number MD490304, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Anyanwu, MD prescribe under Medicare Part D?
In 2024, Brian Anyanwu, MD had 302 Medicare Part D claims for 60 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.
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.