BRIAN BAKER D.O.
NPI 1922459015
Emergency Medicine in Oklahoma City, OK
About Brian Baker D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN BAKER D.O. (NPI 1922459015) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (0173R) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2016).
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
Brian Baker D.o. 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
6Medicare enrollment records show Brian Baker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Emergency Physicians Of Mid-America PC
- 310 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 418 clinicians in this Medicare group
Tuttle, OK 73089
- Reassigned Medicare billing, Oklahoma enrollment
- 97 clinicians in this Medicare group
Guthrie, OK 73044
- Reassigned Medicare billing, Oklahoma enrollment
- Also billed through NPI 1306126818 (Oklahoma)
- 137 clinicians in this Medicare group
Kingfisher, OK 73750
- Reassigned Medicare billing, Oklahoma enrollment
- Also billed through NPI 1285064618 (Oklahoma)
- 44 clinicians in this Medicare group
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- 298 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 4
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.
Integris Baptist Medical Center, Inc
Acute Care Hospitals · Oklahoma City, OKIntegris Health Edmond Hospital
Acute Care Hospitals · Edmond, OKIntegris Community Hospital - Council Crossing
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73109 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73109
OKLAHOMA CITY, OK 73109
OKLAHOMA CITY, OK 73109
OKLAHOMA CITY, OK 73109
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 Brian Baker's NPI number?
The NPI number for Brian Baker is 1922459015. It was assigned to this individual provider in the NPPES registry on June 29, 2016.
Where is Brian Baker located?
Brian Baker practices at 4200 S Douglas Ave Suite 306, Oklahoma City, OK 73109. The listed phone number is (405) 636-7195.
What is Brian Baker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Brian Baker enrolled in Medicare?
Yes. Brian Baker 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 Brian Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Baker reassigns Medicare benefits to 6 organizations: Emergency Physicians Of Mid-America, P.C. (Oklahoma City, OK), Emergency Services Of Oklahoma PC (Norman, OK), Grady Memorial Hospital (Tuttle, OK), Mercy Hospital Logan County, Inc (Guthrie, OK), Mercy Hospital Kingfisher, Inc (Kingfisher, OK) and 1 more organization, 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 Brian Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Baker accept?
Health plans from Ambetter Health and Ambetter from Superior HealthPlan list Brian Baker 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 Brian Baker affiliated with any hospitals?
According to CMS data, Brian Baker is affiliated with Integris Baptist Medical Center, Inc, Integris Health Edmond Hospital and Integris Community Hospital - Council Crossing.
When was this NPI record last updated?
The NPPES record for Brian Baker was last updated on June 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Brian Baker, D.O. · NPI 1922459015
Emergency Medicine physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since June 29, 2016.
## Identity
- **NPI:** 1922459015 (Entity type: Individual)
- **Enumerated:** June 29, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 0173R (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4200 S DOUGLAS AVE, SUITE 306, Oklahoma City, OK 73109-3223
- **Phone:** (405) 636-7195
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Mid-America, P.C. (NPI 1063825297, Oklahoma City, OK); Emergency Services Of Oklahoma PC (NPI 1215249891, Norman, OK); Grady Memorial Hospital (NPI 1750715439, Tuttle, OK); Mercy Hospital Logan County, Inc (NPI 1184905507, Guthrie, OK); Mercy Hospital Kingfisher, Inc (NPI 1083048417, Kingfisher, OK); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2016
## Record status
- **NPPES last updated:** June 29, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1922459015) · Data from the CMS NPPES public registry.