CLYDE W PRAY M.D.
NPI 1053367151
Anesthesiology in Rockville, MD
About Clyde W Pray M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLYDE W PRAY M.D. (NPI 1053367151) is an individual anesthesiology provider in Rockville, Maryland, licensed in Maryland (D38116) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of University Of Oklahoma College Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Clyde W Pray M.d. 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
2Medicare enrollment records show Clyde Pray reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1528578333 (Maryland)
- 482 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 8
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.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDMedstar Southern Maryland Hospital Center
Acute Care Hospitals · Clinton, MDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
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 Clyde Pray's NPI number?
The NPI number for Clyde Pray is 1053367151. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Clyde Pray located?
Clyde Pray practices at 1901 Research Blvd 350, Rockville, MD 20850. The listed phone number is (301) 838-9606.
What is Clyde Pray's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Clyde Pray enrolled in Medicare?
Yes. Clyde Pray 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 Clyde Pray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clyde Pray reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Medstar Medical Group Anesthesiology LLC (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 Clyde Pray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Clyde Pray affiliated with any hospitals?
According to CMS data, Clyde Pray is affiliated with Medstar Saint Mary's Hospital and Medstar Southern Maryland Hospital Center.
When was this NPI record last updated?
The NPPES record for Clyde Pray was last updated on March 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Clyde W Pray, M.D. · NPI 1053367151
Anesthesiology physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1053367151 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D38116 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1901 RESEARCH BLVD, 350, Rockville, MD 20850-3164
- **Phone:** (301) 838-9606 · **Fax:** (301) 838-9029
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Medstar Medical Group Anesthesiology LLC (NPI 1558976175, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 1982
## Record status
- **NPPES last updated:** March 22, 2010
- **Other identifiers:** Medicare UPIN E27468; Medicare ID-Type Unspecified G01485F48 (MD); Medicaid 530561600 (MD); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1053367151) · Data from the CMS NPPES public registry.