Individual provider Active NPI

Yasser Hadj Ousman, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Fairfax, VA
National Provider Identifier
1801845284
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
0101058348 Issued in VA
Practice address
2740 Prosperity Ave Ste 200
Fairfax, VA 22031-4354
Phone
(571) 623-3480
Fax
(703) 204-9006
NPI assigned
May 10, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X MD31598 DC
Endocrinology, Diabetes & Metabolism Physician 207RE0101X MD478729 PA
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 0101058348 VA Primary

Addresses

Primary practice location

2740 Prosperity Ave Ste 200
Fairfax, VA 22031-4354

Mailing address

2740 Prosperity Ave Ste 200
Fairfax, VA 22031-4354
Phone (877) 511-4625

Other practice location 1

354 Alexander Spring Road
WellSpan Endocrinology
Carlisle, PA 17015-7451
Phone (717) 217-6820

Other practice location 2

12 St Paul Drive
WellSpan Endocrinology
Chambersburg, PA 17201
Phone (717) 217-6820

Other practice location 3

601 East Main Street
N/a
Waynesboro, PA 17268-2332
Phone (717) 217-6820

Other practice location 4

24 Antrim Commons Drive
WellSpan Endocrinology
Greencastle, PA 17225-1623
Phone (717) 217-6820

Other practice location 5

145 Hospital Ave Ste 101
Du Bois, PA 15801-1463
Phone (814) 375-4089

Other practice location 6

88 Hospital Rd Fl 2
Brookville, PA 15825-1368
Phone (814) 375-4089

Other practice location 7

21911 Route 119
Punxsutawney, PA 15767-7922
Phone (814) 375-4089

Other identifiers 4

IdentifierTypeStateIssuer
025800300MedicaidDC
697102400MedicaidMD
5863368MedicaidVA
104059528MedicaidPA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address yousman166714@soc.inova.org Health Information Exchange (HIE) Inova Health Care Services

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA, PA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20041216000367 DC Practitioner - EndocrinologyPractitioner - Internal Medicine 3274590773 Reassigns benefits to 1 organization
I20100610000072 VA Practitioner - Endocrinology 3274590773 Reassigns benefits to 1 organization
I20220720000001 PA Practitioner - Endocrinology 3274590773 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dubois Regional Medical CenterGroup PAC ID 5890689715, 424 clinicians

Practice addresses (Care Compare)

21911 Route 119
Punxsutawney, PA 15767-7922
Phone (814) 375-4089

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD31598DCMDEndocrinology, Diabetes & Metabolism Physician
0101058348VAMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Inova Health Care Services Current Accepting new patients
Dubois Regional Medical Center CurrentSince Jul 28, 2025 Accepting new patients
Inova Health Care Services CurrentSince Feb 16, 2015 Accepting new patients
Inova Health Care Services CurrentSince Feb 16, 2015 Accepting new patients
Dubois Regional Medical Center Endocrinology, Diabetes & Metabolism CurrentSince Jul 28, 2025 Accepting new patients
Inova Health Care Services CurrentSince Feb 16, 2015 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Washington Hospital Center Corp Past Accepting new patients
Dubois Regional Medical Center Past Accepting new patients

Locations

88 Hospital Rd
Fl 2
Brookville, PA 15825
Phone (814) 371-2100

100 Hospital Ave
Dubois, PA 15801
Phone (814) 375-2040

145 Hospital Ave
Ste 101
Dubois, PA 15801
Phone (814) 375-5305

21911 Route 119
Punxsutawney, PA 15767
Phone (814) 249-7410

2740 Prosperity Ave
Ste 200
Fairfax, VA 22031
Phone (703) 208-2273

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

211 Gibson St NW
Ste 220
Leesburg, VA 20176
Phone (703) 799-5465

Interoperability endpoints

  • Direct secure messaging: yousman166714@soc.inova.org

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 40

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 40

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

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    "last_updated_epoch": "1754352000000",
    "number": "1801845284",
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            "address_purpose": "MAILING",
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            "address_1": "2740 PROSPERITY AVE STE 200",
            "city": "FAIRFAX",
            "state": "VA",
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            "fax_number": "703-698-2506"
        },
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            "fax_number": "703-204-9006"
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    "practiceLocations": [
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            "postal_code": "170157451",
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            "telephone_number": "717-217-6820",
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        },
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            "address_1": "12 St Paul Drive",
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        {
            "address_1": "601 East Main Street",
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            "postal_code": "172682332",
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            "fax_number": "814-375-4067",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "88 Hospital Rd Fl 2",
            "address_purpose": "LOCATION",
            "city": "Brookville",
            "state": "PA",
            "postal_code": "158251368",
            "country_code": "US",
            "telephone_number": "814-375-4089",
            "fax_number": "814-375-4067",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "21911 Route 119",
            "address_purpose": "LOCATION",
            "city": "Punxsutawney",
            "state": "PA",
            "postal_code": "157677922",
            "country_code": "US",
            "telephone_number": "814-375-4089",
            "fax_number": "814-375-4067",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OUSMAN",
        "first_name": "YASSER",
        "middle_name": "HADJ",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-10",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "DC",
            "license": "MD31598",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "PA",
            "license": "MD478729",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
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            "license": "0101058348",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "025800300",
            "state": "DC"
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        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "697102400",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5863368",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104059528",
            "state": "PA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "yousman166714@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Health Care Services",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "3300 Gallows Rd",
            "city": "Falls Church",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220423300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.