YASSER HADJ OUSMAN MD
NPI 1801845284
Internal Medicine - Endocrinology, Diabetes & Metabolism in Fairfax, VA

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
2740 PROSPERITY AVE STE 200, FAIRFAX, VA 22031(571) 623-3480(703) 204-9006 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 5, 2025, Jul 21, 2022, Dec 29, 2020 and 3 more (6 updates tracked since 2016).

About Yasser Hadj Ousman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YASSER HADJ OUSMAN MD (NPI 1801845284) is an individual endocrinology, diabetes & metabolism provider in Fairfax, Virginia, licensed in Virginia (0101058348) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Penn Highlands Dubois, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1801845284
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameYASSER HADJ OUSMANCredential: MD
Location Address2740 PROSPERITY AVE STE 200Fairfax, VA 22031-4354
Mailing Address2740 Prosperity Ave Ste 200Fairfax, VA 22031-4354 · (877) 511-4625 · Fax (703) 698-2506
Fax(703) 204-9006
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateMay 10, 2006
Last NPPES UpdateAugust 5, 20256 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
NPI 1801845284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses Licensed in VA · 0101058348 Licensed in DC · MD31598 Licensed in PA · MD478729
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2740 PROSPERITY AVE STE 200, Fairfax, VA 22031

Secondary Practice Locations 7

Location 188 Hospital Rd Fl 2Brookville, PA 15825-1368 · Phone (814) 375-4089 · Fax (814) 375-4067
Location 212 St Paul Drive, WellSpan EndocrinologyChambersburg, PA 17201 · Phone (717) 217-6820
Location 321911 Route 119Punxsutawney, PA 15767-7922 · Phone (814) 375-4089 · Fax (814) 375-4067
Location 4601 East Main Street, N/AWaynesboro, PA 17268-2332 · Phone (717) 217-6820
Location 524 Antrim Commons Drive, WellSpan EndocrinologyGreencastle, PA 17225-1623 · Phone (717) 217-6820
Location 6145 Hospital Ave Ste 101Du Bois, PA 15801-1463 · Phone (814) 375-4089 · Fax (814) 375-4067
Location 7354 Alexander Spring Road, WellSpan EndocrinologyCarlisle, PA 17015-7451 · Phone (717) 217-6820

Other Identifiers 4

Medicaid025800300DC
Medicaid697102400MD
Medicaid5863368VA
Medicaid104059528PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Yasser Hadj Ousman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274590773
PECOS Enrollment IDI20220720000001
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
4,380 services64 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
207 services171 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
185 services153 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
112 services84 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
106 services57 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
86 services86 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Penn Highlands Dubois

Acute Care Hospitals · Dubois, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390086
Location100 Hospital AvenueDubois, PA 15801 · Clearfield County

Wellspan Waynesboro Hospital

Acute Care Hospitals · Waynesboro, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390138
Location501 East Main StWaynesboro, PA 17268 · Franklin County
Emergency services

Wellspan Chambersburg Hospital

Acute Care Hospitals · Chambersburg, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390151
Location112 North Seventh StreetChambersburg, PA 17201 · Franklin County
Emergency services Birthing friendly

Penn Highlands Brookville

Critical Access Hospitals · Brookville, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number391312
Location100 Hospital RoadBrookville, PA 15825 · Jefferson County
Emergency services

Penn Highlands Elk

Critical Access Hospitals · Saint Marys, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number391315
Location763 Johnsonburg RoadSaint Marys, PA 15857 · Elk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
35 suppliers87 claims371 services$6.08 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
15 suppliers34 claims68 services$1.00 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers11 claims11 services$293.91 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
15 suppliers198 claims209 services$187.26 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse (Diabetes Educator)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Social Worker (Clinical)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Pharmacy (Community/Retail Pharmacy)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Nurse Practitioner (Family)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Social Worker (Clinical)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Registered Nurse (Diabetes Educator)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Nurse Practitioner (Family)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2740 PROSPERITY AVE STE 200
FAIRFAX, VA 22031

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801845284, enumerated as an "individual" on May 10, 2006.

The provider is located at 2740 PROSPERITY AVE STE 200 FAIRFAX, VA 22031 and the phone number is (571) 623-3480.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Yasser Ousman is affiliated with: PENN HIGHLANDS DUBOIS, WELLSPAN WAYNESBORO HOSPITAL, WELLSPAN CHAMBERSBURG HOSPITAL, PENN HIGHLANDS BROOKVILLE and PENN HIGHLANDS ELK.