Yasser Ousman, MD
NPI 1801845284 · Endocrinology, Diabetes & Metabolism Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yasser Ousman, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Fairfax, VA (NPI 1801845284).
Provider details
- NPI number
- 1801845284
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD31598 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
803 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 207 | $170 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $120 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 112 | $13 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 106 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 86 | $157 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 356 | 90 |
| Tirzepatidebrand: Mounjaro | 274 | 52 |
| Semaglutidebrand: Ozempic | 174 | 39 |
| Insulin Glargine,hum.rec.anlogbrand: Toujeo Max Solostar | 130 | 36 |
| Levothyroxine Sodiumbrand: Synthroid | 122 | 34 |
| Metformin Hcl | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (7)
- 88 Hospital Rd Fl 2Brookville, PA 15825-1368Phone: (814) 375-4089Fax: (814) 375-4067
- 354 Alexander Spring RoadWellspan EndocrinologyCarlisle, PA 17015-7451Phone: (717) 217-6820
- 12 St Paul DriveWellspan EndocrinologyChambersburg, PA 17201Phone: (717) 217-6820
- 145 Hospital Ave Ste 101Du Bois, PA 15801-1463Phone: (814) 375-4089Fax: (814) 375-4067
- 24 Antrim Commons DriveWellspan EndocrinologyGreencastle, PA 17225-1623Phone: (717) 217-6820
- 21911 Route 119Punxsutawney, PA 15767-7922Phone: (814) 375-4089Fax: (814) 375-4067
- 601 East Main StreetN/AWaynesboro, PA 17268-2332Phone: (717) 217-6820
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2025-08-05
- Certified
- 2025-08-05
Frequently asked questions
- What is Yasser Ousman's NPI number?
- Yasser Ousman's National Provider Identifier (NPI) is 1801845284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yasser Ousman's specialty?
- Yasser Ousman is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Yasser Ousman located?
- Yasser Ousman's practice location on file with NPPES is 2740 Prosperity Ave Ste 200, Fairfax, VA 22031-4354.
- What is Yasser Ousman's phone number?
- The practice phone number listed in the NPPES registry for Yasser Ousman is (571) 623-3480.
- Does Yasser Ousman accept Medicare?
- Yasser Ousman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yasser Ousman's NPI active?
- Yes — Yasser Ousman's NPI (1801845284) is active in the NPPES registry as of the last update on 2025-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.