Osama Alhajjar, M.D.
NPI 1801233077 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osama Alhajjar, M.D. is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1801233077).
Provider details
- NPI number
- 1801233077
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT204520 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,736 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 529 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 271 | $107 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 266 | $111 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 232 | $105 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 172 | $29 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 42 | 37 |
| Doxycycline Hyclate | 34 | 34 |
| Cephalexin | 30 | 30 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 29 | 29 |
| Furosemide | 28 | 27 |
| Atorvastatin Calcium | 23 | 21 |
| Adalimumabbrand: Humira Pen | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-29
- Last updated
- 2013-05-29
Frequently asked questions
- What is Osama Alhajjar's NPI number?
- Osama Alhajjar's National Provider Identifier (NPI) is 1801233077, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osama Alhajjar's specialty?
- Osama Alhajjar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Osama Alhajjar located?
- Osama Alhajjar's practice location on file with NPPES is 320 E North Ave, Pittsburgh, PA 15212-4756.
- What is Osama Alhajjar's phone number?
- The practice phone number listed in the NPPES registry for Osama Alhajjar is (412) 359-4971.
- Does Osama Alhajjar accept Medicare?
- Osama Alhajjar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osama Alhajjar's NPI active?
- Yes — Osama Alhajjar's NPI (1801233077) is active in the NPPES registry as of the last update on 2013-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.