YASSER HADJ OUSMAN (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1801845284
Endocrinology, Diabetes & Metabolism Physician
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Profile Insights
NPPES metrics only — not quality of care.
511 ENDOCRINOLOGY in PA
Provider Addresses for YASSER HADJ OUSMAN (MD)
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 623-3480
Fax: (703) 204-9006
Type: Mailing
145 Hospital Ave Ste 101
Du Bois, PA 158011463
Phone: (814) 375-4089
Fax: (814) 375-4067
Type: Location
21911 Route 119
Punxsutawney, PA 157677922
Phone: (814) 375-4089
Fax: (814) 375-4067
Type: Location
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 220314354
Phone: (877) 511-4625
Fax: (703) 698-2506
Type: Mailing
12 St Paul Drive
WellSpan Endocrinology
Chambersburg, PA 17201
Phone: (717) 217-6820
Type: Location
601 East Main Street
N/A
Waynesboro, PA 172682332
Phone: (717) 217-6820
Type: Location
24 Antrim Commons Drive
WellSpan Endocrinology
Greencastle, PA 172251623
Phone: (717) 217-6820
Type: Location
88 Hospital Rd Fl 2
Brookville, PA 158251368
Phone: (814) 375-4089
Fax: (814) 375-4067
Type: Location
354 Alexander Spring Road
WellSpan Endocrinology
Carlisle, PA 170157451
Phone: (717) 217-6820
Type: Location
Prosperity Avenue, Mantua, Fairfax, Virginia, 22031, United States
FAIRFAX, VA 220314354
Phone: (571) 623-3480
Fax: (703) 204-9006
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $6,326.
Total Amount is formed as General ($6,326) + Research ($0) + Ownership ($0) = $6,326.
Last reported payment date: 2024-10-07 • Largest payer in this snapshot: SANOFI-AVENTIS U.S. LLC ($6,280).
Total Amount
$6,326
General + Research + Ownership
Payments
14
Total payment records
General Amount
$6,326
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SANOFI-AVENTIS U.S. LLC | $6,280 |
| Abbott Laboratories | $46 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-07-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041216000367 | I | Endocrinology | DC | TBD |
| I20100610000072 | I | Endocrinology | VA | TBD |
| I20220720000001 | I | Endocrinology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 2,100 | 31 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 132 | 94 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 104 | 87 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 70 | 70 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 52 | 39 | $0 |
Insurance plans in this area (ZIP 21297)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | HI | |
| H E M A T O L O G Y | WA | |
| - | VIR | |
| - | IL | |
| Orthopedic Surgery | VA | |
| - | VA | |
| Diagnostic Radiology | VA | |
| General Surgery | CT | |
| - | VA | |
| N E U R O S U R G E R Y | VA |
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