DAVID D. LEONARD, M.D. PC
NPI 1366570400
Family Medicine in Fairfax, VA

Q: What is Family Physicians Of Old Town Fairfax PC.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since March 01, 2007

3911 BLENHEIM BLVD STE 41C, FAIRFAX, VA 22030(703) 352-7100(703) 539-8579 Get Directions Write a Review

NPPES record last updated: March 8, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 8, 2023, Jul 22, 2019 (2 updates tracked since 2019).

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About David D. Leonard, M.d. Pc NPPES

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

DAVID D. LEONARD, M.D. PC (NPI 1366570400) is a healthcare organization registered as a family medicine in Fairfax, Virginia and active in the NPI registry since March 2007. The organization lists David Drake Leonard, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1366570400

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameFAMILY PHYSICIANS OF OLD TOWN FAIRFAX PC.

Location Address3911 BLENHEIM BLVD STE 41CFairfax, VA 22030-2434

Mailing Address3911 Blenheim Blvd Ste 41cFairfax, VA 22030-2434 · (703) 352-7100 · Fax (703) 539-8579

Phone(703) 352-7100

Fax(703) 539-8579

Organization SubpartNo

Authorized OfficialDavid Drake LeonardMedical Director · (703) 352-7100

Enumeration DateMarch 1, 2007

Last NPPES UpdateMarch 8, 20232 updates tracked since enumeration

NPPES CertifiedMarch 8, 2023

✔ NPI 1366570400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in VA · 0101043356

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X

3911 BLENHEIM BLVD STE 41C, Fairfax, VA 22030

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Other Names 1

Doing Business AsDavid D. Leonard, M.d. Pc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David D. Leonard, M.d. Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to David D. Leonard, M.D. PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Kathleen Crane Lee, M.D.

Family Practice

NPI 1194885277

3911 BLENHEIM BLVD STE 41C
Fairfax, VA 22030

(703) 352-7100

✔ PECOS✔ Accepts MedicareSame address

David Leonard, M.D.

Family Practice

NPI 1013077148

3911 BLENHEIM BLVD STE 41C
Fairfax, VA 22030

(703) 352-7100

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Family Physicians Of Old Town Fairfax PC.'s NPI number?

The NPI number for Family Physicians Of Old Town Fairfax PC. is 1366570400. It was assigned to this organization in the NPPES registry on March 1, 2007. The provider is doing business as David D. Leonard, M.D. PC.

Where is Family Physicians Of Old Town Fairfax PC. located?

Family Physicians Of Old Town Fairfax PC. is located at 3911 Blenheim Blvd Ste 41C, Fairfax, VA 22030. The listed phone number is (703) 352-7100.

What is Family Physicians Of Old Town Fairfax PC.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Family Physicians Of Old Town Fairfax PC. enrolled in Medicare?

Yes. Family Physicians Of Old Town Fairfax PC. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Family Physicians Of Old Town Fairfax PC.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Family Practice, reassign their Medicare billing to Family Physicians Of Old Town Fairfax PC.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Family Physicians Of Old Town Fairfax PC. was last updated on March 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.