HEATHER RENEE CALLAHAN PA-C
NPI 1770039927
Physician Assistant - Medical in Warrenton, VA

Q: What is Heather Callahan's NPI number?

The NPI number for Heather Callahan is 1770039927. It was assigned to this individual provider in the NPPES registry on August 28, 2016.

Q: What is Heather Callahan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: Is Heather Callahan enrolled in Medicare?

No. Heather Callahan has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Heather Callahan was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 August 28, 2016Opted out of Medicare · through Jan 1, 2028

225 OAK SPRINGS DR STE 102, WARRENTON, VA 20186(540) 935-4449(540) 347-4444 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 4, 2025, Aug 29, 2016, Aug 28, 2016 (3 updates tracked since 2016).

On this page

About Heather Renee Callahan Pa-c NPPES

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

HEATHER RENEE CALLAHAN PA-C (NPI 1770039927) is an individual medical provider in Warrenton, Virginia, licensed in Virginia (0110005467) and active in the NPI registry since August 2016. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1770039927

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameHEATHER RENEE CALLAHANCredential: PA-C

Location Address225 OAK SPRINGS DR STE 102Warrenton, VA 20186-2186

Mailing Address225 Oak Springs Dr Ste 102Warrenton, VA 20186-2186 · (540) 935-4449 · Fax (540) 347-4444

Phone(540) 935-4449

Fax(540) 347-4444

Sole ProprietorNo

Enumeration DateAugust 28, 2016

Last NPPES UpdateAugust 4, 20253 updates tracked since enumeration

NPPES CertifiedAugust 4, 2025

✔ NPI 1770039927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in VA · 0110005467

225 OAK SPRINGS DR STE 102, Warrenton, VA 20186

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Heather Renee Callahan Pa-c has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2026 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2026

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES

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

SKIN DEEP CONCIERGE MEDICINE LLC

Dermatology

225 OAK SPRINGS DR STE 102
WARRENTON, VA 20186

Fauquier County (540) 935-4449

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 Heather Callahan's NPI number?

The NPI number for Heather Callahan is 1770039927. It was assigned to this individual provider in the NPPES registry on August 28, 2016.

Where is Heather Callahan located?

Heather Callahan practices at 225 Oak Springs Dr Ste 102, Warrenton, VA 20186. The listed phone number is (540) 935-4449.

What is Heather Callahan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Heather Callahan enrolled in Medicare?

No. Heather Callahan has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Heather Callahan was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.