Osama Alhajjar, M.D.
Internal Medicine Physician · Pittsburgh, PA
Osama Alhajjar, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1801233077, issued on May 29, 2013. Check the license (Pennsylvania MT204520, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Osama Alhajjar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT204520 PA
Self-reported in NPPES; status is on the state search - Practice location
- 320 E North Ave, Pittsburgh, PA 15212
- Phone
- (412) 359-4971
- Enumerated
- May 29, 2013
- Record last updated
- May 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210817000843); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 320 E North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Osama Alhajjar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT204520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
494 Medicare Part D claims for 212 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 18 claims were for opioids.
Most prescribed
- Prednisone42 claims
- Doxycycline Hyclate34 claims
- Cephalexin30 claims
- Amoxicillin-Clavulanate Potass29 claims
- Furosemide28 claims
- Atorvastatin Calcium23 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 2 group practices
- Pensacola Hospitalist Physicians LLCPensacola, FL
- Santa Rosa HB Medical Services LLCMilton, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Osama Alhajjar among 7,300 internal medicine physician records in Pennsylvania
Osama Alhajjar, M.D. 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 2013, is newer than 57% of them.
- NPI issued2013 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2008 among the 4,208 with a school on file
- Record last updated2013 · 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).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Carson, M.D.Pittsburgh, PA 152121679578603
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- Andrew HallPittsburgh, PA 152121275538381
- Marc Itskowitz, MDPittsburgh, PA 152121922009901
- Sharon Kiely, MDPittsburgh, PA 152121639170616
- Christine Mackey, MDPittsburgh, PA 152121427059054
- Patrick Perri, MDPittsburgh, PA 152121427048164
Common questions
What is Osama Alhajjar, M.D.'s NPI number?
Osama Alhajjar, M.D.'s National Provider Identifier (NPI) is 1801233077, issued on May 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Osama Alhajjar, M.D. located?
The NPPES record lists a practice address at 320 E North Ave, Pittsburgh, PA, 15212. Phone: (412) 359-4971. Providers update this record themselves, so call before visiting.
How can I verify Osama Alhajjar, M.D.'s license?
NPPES lists Pennsylvania license number MT204520, 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 Osama Alhajjar, M.D. prescribe under Medicare Part D?
In 2024, Osama Alhajjar, M.D. had 494 Medicare Part D claims for 212 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.