ALLISON CAROLINE MAYHEW M.D.
NPI 1659766111
Obstetrics & Gynecology in Fairfax, VA

Active since April 01, 2015PECOS Enrolled
3023 HAMAKER CT STE 200, FAIRFAX, VA 22031(404) 251-8812 Get Directions Write a Review

NPPES record last updated: September 1, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Allison Caroline Mayhew M.d. NPPES

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

ALLISON CAROLINE MAYHEW M.D. (NPI 1659766111) is an individual obstetrics & gynecology provider in Fairfax, Virginia, licensed in Virginia (0101272608) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659766111
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameALLISON CAROLINE MAYHEWCredential: M.D.
Location Address3023 HAMAKER CT STE 200Fairfax, VA 22031-2240
Mailing Address3023 Hamaker Ct Ste 200Fairfax, VA 22031-2240
Sole ProprietorNo
Enumeration DateApril 1, 2015
Last NPPES UpdateSeptember 1, 2021
NPPES CertifiedSeptember 1, 2021
✔ NPI 1659766111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in VA · 0101272608
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3023 HAMAKER CT STE 200, Fairfax, VA 22031

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Caroline Mayhew M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Allison Mayhew reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
3023 HAMAKER CT, SUITE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia enrollment
  • 128 clinicians in this Medicare group
Multi-Specialty
2740 PROSPERITY AVE STE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 clinicians in this Medicare group
Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 clinicians in this Medicare group

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

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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
3023 HAMAKER CT STE 200
FAIRFAX, VA 22031

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 Allison Mayhew's NPI number?

The NPI number for Allison Mayhew is 1659766111. It was assigned to this individual provider in the NPPES registry on April 1, 2015.

Where is Allison Mayhew located?

Allison Mayhew practices at 3023 Hamaker Ct Ste 200, Fairfax, VA 22031. The listed phone number is (404) 251-8812.

What is Allison Mayhew's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Allison Mayhew enrolled in Medicare?

Yes. Allison Mayhew is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Allison Mayhew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Mayhew reassigns Medicare benefits to 3 organizations: Pediatric Specialists Of Virginia, LLC (Fairfax, VA), Inova Health Care Services (Fairfax, VA) and Children's Hospital (Washington, DC). Each 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 Allison Mayhew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Allison Mayhew was last updated on September 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.