GABRIEL DREWS STEWART MD
NPI 1356960561
Hospitalist in Ada, OK
About Gabriel Drews Stewart Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GABRIEL DREWS STEWART MD (NPI 1356960561) is an individual hospitalist provider in Ada, Oklahoma, licensed in Oklahoma (41228) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of University Of Wisconsin School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
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
Gabriel Drews Stewart 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
2Medicare enrollment records show Gabriel Stewart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tishomingo, OK 73460
- Reassigned Medicare billing, Oklahoma enrollment
- 55 clinicians in this Medicare group
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 9
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 3
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, OKMercy Hospital Ada
Acute Care Hospitals · Ada, OKHoldenville General Hospital
Critical Access Hospitals · Holdenville, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74820 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.
ADA, OK 74820
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 Gabriel Stewart's NPI number?
The NPI number for Gabriel Stewart is 1356960561. It was assigned to this individual provider in the NPPES registry on April 9, 2020.
Where is Gabriel Stewart located?
Gabriel Stewart practices at 430 N Monte Vista St, Ada, OK 74820. The listed phone number is (580) 332-2323.
What is Gabriel Stewart's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Gabriel Stewart enrolled in Medicare?
Yes. Gabriel Stewart 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 Gabriel Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gabriel Stewart reassigns Medicare benefits to 2 organizations: Mercy Hospital Tishomingo, Inc. (Tishomingo, OK) and Mercy Clinic Oklahoma Communities (Oklahoma City, OK). 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 Gabriel Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gabriel Stewart accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Gabriel Stewart 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.
Is Gabriel Stewart affiliated with any hospitals?
According to CMS data, Gabriel Stewart is affiliated with Mercy Hospital Oklahoma City, Inc, Mercy Hospital Ada and Holdenville General Hospital.
When was this NPI record last updated?
The NPPES record for Gabriel Stewart was last updated on September 18, 2023. 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.
# Gabriel Drews Stewart, MD · NPI 1356960561
Hospitalist physician in Ada, Oklahoma. Individual provider, active in the CMS NPPES registry since April 9, 2020.
## Identity
- **NPI:** 1356960561 (Entity type: Individual)
- **Enumerated:** April 9, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 41228 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 430 N MONTE VISTA ST, Ada, OK 74820-4610
- **Phone:** (580) 332-2323
## 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): Mercy Hospital Tishomingo, Inc. (NPI 1932404431, Tishomingo, OK); Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1356960561) · Data from the CMS NPPES public registry.