DR. HILARY MARGARET GRAY DO
NPI 1952031650
Emergency Medicine in Philadelphia, PA
About Dr. Hilary Margaret Gray Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HILARY MARGARET GRAY DO (NPI 1952031650) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OT021933) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Pottstown Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2022).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Hilary Margaret Gray Do 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
3Medicare enrollment records show Hilary Gray reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19118
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Pottstown Hospital
Acute Care Hospitals · Pottstown, PAPhoenixville Hospital
Acute Care Hospitals · Phoenixville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19141 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.
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
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 Hilary Gray's NPI number?
The NPI number for Hilary Gray is 1952031650. It was assigned to this individual provider in the NPPES registry on June 15, 2022.
Where is Hilary Gray located?
Hilary Gray practices at 5501 Old York Rd Ste 1, Philadelphia, PA 19141. The listed phone number is (215) 456-7890.
What is Hilary Gray's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Hilary Gray enrolled in Medicare?
Yes. Hilary Gray 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 Hilary Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Gray reassigns Medicare benefits to 3 organizations: Tower Health Medical Group (Philadelphia, PA), Phoenixville Clinic Company LLC (Phoenixville, PA) and Pottstown Clinic Company LLC (Pottstown, PA). 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 Hilary Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hilary Gray affiliated with any hospitals?
According to CMS data, Hilary Gray is affiliated with Pottstown Hospital and Phoenixville Hospital.
When was this NPI record last updated?
The NPPES record for Hilary Gray was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Hilary Margaret Gray, DO · NPI 1952031650
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 15, 2022.
## Identity
- **NPI:** 1952031650 (Entity type: Individual)
- **Enumerated:** June 15, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OT021933 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 OLD YORK RD STE 1, Philadelphia, PA 19141-3098
- **Phone:** (215) 456-7890
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Tower Health Medical Group (NPI 1306476924, Philadelphia, PA); Phoenixville Clinic Company LLC (NPI 1275173957, Phoenixville, PA); Pottstown Clinic Company LLC (NPI 1649341934, Pottstown, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2022
## Record status
- **NPPES last updated:** June 15, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1952031650) · Data from the CMS NPPES public registry.