Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM D. OHRINER M.D.
NPI 1932102712
Pediatrics in Fairfax, VA

Q: What is William Ohriner's NPI number?

The NPI number for William Ohriner is 1932102712. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Q: What is William Ohriner's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for William Ohriner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 24, 2005

3650 JOSEPH SIEWICK DR, STE 101, FAIRFAX, VA 22033(703) 391-0900(703) 323-2665 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William D. Ohriner M.d. NPPES

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

WILLIAM D. OHRINER M.D. (NPI 1932102712) is an individual pediatrics provider in Fairfax, Virginia, licensed in Virginia (0101047335) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1932102712

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameWILLIAM D. OHRINERCredential: M.D.

Location Address3650 JOSEPH SIEWICK DR, STE 101Fairfax, VA 22033-1700

Mailing Address3650 Joseph Siewick Dr, Ste 101Fairfax, VA 22033-1700 · (703) 391-0900 · Fax (703) 323-2665

Phone(703) 391-0900

Fax(703) 323-2665

Sole ProprietorNo

Enumeration DateMay 24, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1932102712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in VA · 0101047335

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

3650 JOSEPH SIEWICK DR, Fairfax, VA 22033

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Other Identifiers 1

Medicaid6753671VA

Other Providers at the Same Location NPPES 20

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

THUY PHUONG THI VO M.D.

Family Medicine

3650 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

KATHERINE BOOKER PT

Physical Therapist

3650 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033

Fairfax County (703) 716-4794

DR. LAURA E. BYRNES M.D.

Pediatrics

3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033

Fairfax County (703) 391-0900

DR. HEON SOO YI M.D.

Family Medicine

3650 JOSEPH SIEWICK DR, SUITE 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

VICTORIA LESSINGER MERKEL MD

Family Medicine

3650 JOSEPH SIEWICK DR, STE 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

BRENT R AIN MD

Orthopaedic Surgery

3650 JOSEPH SIEWICK DR, SUITE 300
FAIRFAX, VA 22033

Fairfax County (703) 391-0111

SANDY L. CHUNG M.D.

Pediatrics

3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033

Fairfax County (703) 391-0900

DR. PETER STEPHEN ROSS MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

3650 JOSEPH SIEWICK DR, #305
FAIRFAX, VA 22033

Fairfax County (703) 648-1831

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Ohriner's NPI number?

The NPI number for William Ohriner is 1932102712. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is William Ohriner located?

William Ohriner practices at 3650 Joseph Siewick Dr Ste 101, Fairfax, VA 22033. The listed phone number is (703) 391-0900.

What is William Ohriner's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for William Ohriner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.