ALLYSON M HILLIARD MD
NPI 1912160359
Obstetrics & Gynecology in Falls Church, VA
About Allyson M Hilliard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLYSON M HILLIARD MD (NPI 1912160359) is an individual obstetrics & gynecology provider in Falls Church, Virginia, licensed in Virginia (0101248851) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Eastern Virginia Medical School (2007).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Allyson M Hilliard Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show Allyson Hilliard reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
La Plata, MD 20646
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Fredericksburg, VA 22401
- Reassigned Medicare billing, Virginia enrollment
- 547 clinicians in this Medicare group
Fredericksburg, VA 22401
- Reassigned Medicare billing, Virginia enrollment
- 8 clinicians in this Medicare group
Seaford, DE 19973
- Reassigned Medicare billing, Delaware enrollment
- 27 clinicians in this Medicare group
Midlothian, VA 23114
- Reassigned Medicare billing, Virginia enrollment
- 315 clinicians in this Medicare group
Rural Retreat, VA 24368
- Reassigned Medicare billing, Virginia enrollment
- 337 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, Alabama enrollment
- 97 clinicians in this Medicare group
Athens, GA 30606
- Reassigned Medicare billing, Georgia enrollment
- 208 clinicians in this Medicare group
Jacksonville, FL 32207
- Reassigned Medicare billing, Florida enrollment
- 683 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 22042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FALLS CHURCH, VA 22042
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 Allyson Hilliard's NPI number?
The NPI number for Allyson Hilliard is 1912160359. It was assigned to this individual provider in the NPPES registry on July 7, 2008.
Where is Allyson Hilliard located?
Allyson Hilliard practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-6040.
What is Allyson Hilliard's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Allyson Hilliard enrolled in Medicare?
Yes. Allyson Hilliard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Allyson Hilliard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allyson Hilliard reassigns Medicare benefits to 10 organizations: Inova Health Care Services (Falls Church, VA), University Of Maryland Community Medical Group, Inc. (La Plata, MD), Mary Washington Healthcare Physicians (Fredericksburg, VA), New Beginnings Ob Gyn PC (Fredericksburg, VA), Dhp Of Delaware, Inc. (Seaford, DE) and 5 more organizations, listed in the Medicare section above. 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 Allyson Hilliard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allyson Hilliard accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare and UnitedHealthcare list Allyson Hilliard as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Allyson Hilliard was last updated on December 21, 2022. 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.