ANNA CATHERINE ROYCE MD
NPI 1154883825
Internal Medicine in Oklahoma City, OK
About Anna Catherine Royce Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA CATHERINE ROYCE MD (NPI 1154883825) is an individual internal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (34734) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of University Of Oklahoma College Of Medicine (2019).
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
Anna Catherine Royce 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 Reassignment
Medicare enrollment records show Anna Royce reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Oklahoma City, Inc
Acute Care Hospitals · Oklahoma City, OKOklahoma Heart Hospital, LLC
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73120 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.
OKLAHOMA CITY, OK 73120
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 Anna Royce's NPI number?
The NPI number for Anna Royce is 1154883825. It was assigned to this individual provider in the NPPES registry on April 2, 2019.
Where is Anna Royce located?
Anna Royce practices at 4300 W Memorial Rd, Oklahoma City, OK 73120. The listed phone number is (405) 755-1515.
What is Anna Royce's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anna Royce enrolled in Medicare?
Yes. Anna Royce 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 organization bills Medicare for Anna Royce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Royce reassigns Medicare benefits to Mercy Clinic Oklahoma Communities (Oklahoma City, OK). The 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 Anna Royce's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Anna Royce affiliated with any hospitals?
According to CMS data, Anna Royce is affiliated with Mercy Hospital Oklahoma City, Inc and Oklahoma Heart Hospital, LLC.
When was this NPI record last updated?
The NPPES record for Anna Royce was last updated on July 10, 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.