What is Loudoun Medical Group, PC's NPI number?

Loudoun Medical Group, PC's National Provider Identifier (NPI) is 1528712601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Loudoun Medical Group, PC?

Loudoun Medical Group, PC is classified in the NPPES registry as Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC's practice location on file with NPPES is 4445 Willard Avenue, Chevy Chase, MD 20815-3690.

What is Loudoun Medical Group, PC's phone number?

The practice phone number listed in the NPPES registry for Loudoun Medical Group, PC is (703) 372-0787.

Who is the authorized official for Loudoun Medical Group, PC?

The authorized official listed on Loudoun Medical Group, PC's NPPES record is Mary Beth Tamasy, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Loudoun Medical Group, PC's NPI active?

Yes — Loudoun Medical Group, PC's NPI (1528712601) is active in the NPPES registry as of the last update on 2023-08-18.

OrganizationActive

Loudoun Medical Group, PC

NPI 1528712601 · Anatomic Pathology Physician · Chevy Chase, MD

Loudoun Medical Group, PC is a Anatomic Pathology Physician organization in Chevy Chase, MD (NPI 1528712601).

Provider details

NPI number: 1528712601
Entity type: Organization
Primary specialty: Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
Parent organization: Loudoun Medical Group, PC
Organization subpart: Yes
Authorized official: Mary Beth Tamasy, Ceo(703) 737-6010

Practice location

4445 Willard Avenue

Suite 200

Chevy Chase, MD 20815-3690

Phone: (703) 372-0787

Fax: (703) 712-7169

Approximate (ZIP-level) locationGet directions

More MD providers

Mailing address

224-D Cornwall St., Nw Suite 403

Leesburg, VA 20176-2704

Specialties & taxonomies

Anatomic Pathology PhysicianPrimary207ZP0101X
Allopathic & Osteopathic Physicians

Other names (DBA / former)

Doing business as: Kpc Diagnostics
Doing business as: Kpc Diagnostics

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
4 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2022-02-08
Last updated: 2023-08-18
Certified: 2023-08-18

Frequently asked questions

What is Loudoun Medical Group, PC's NPI number?: Loudoun Medical Group, PC's National Provider Identifier (NPI) is 1528712601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Loudoun Medical Group, PC?: Loudoun Medical Group, PC is classified in the NPPES registry as Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Loudoun Medical Group, PC located?: Loudoun Medical Group, PC's practice location on file with NPPES is 4445 Willard Avenue, Chevy Chase, MD 20815-3690.
What is Loudoun Medical Group, PC's phone number?: The practice phone number listed in the NPPES registry for Loudoun Medical Group, PC is (703) 372-0787.
Who is the authorized official for Loudoun Medical Group, PC?: The authorized official listed on Loudoun Medical Group, PC's NPPES record is Mary Beth Tamasy, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Loudoun Medical Group, PC's NPI active?: Yes — Loudoun Medical Group, PC's NPI (1528712601) is active in the NPPES registry as of the last update on 2023-08-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Frequently asked questions