JOSHUA RYAN BAKER DO
NPI 1255892113
Emergency Medicine in Tulsa, OK
About Joshua Ryan Baker Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA RYAN BAKER DO (NPI 1255892113) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (6941) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Oklahoma State University Medical Center, and maintains a secondary practice location in Tulsa.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Joshua Ryan Baker 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
8Medicare enrollment records show Joshua Baker reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74107
- Reassigned Medicare billing, Oklahoma enrollment
- 171 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 162 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 263 clinicians in this Medicare group
Claremore, OK 74017
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Cleveland, OK 74020
- Reassigned Medicare billing, Oklahoma enrollment
- Also billed through NPI 1801020565 (Oklahoma)
- 34 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Stilwell, OK 74960
- Reassigned Medicare billing, Oklahoma enrollment
- 49 clinicians in this Medicare group
Mcalester, OK 74501
- Reassigned Medicare billing, Oklahoma enrollment
- 106 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Oklahoma State University Medical Center
Acute Care Hospitals · Tulsa, OKSaint Francis Hospital, Inc
Acute Care Hospitals · Tulsa, OKCherokee Nation W W Hastings Indian Hospital
Acute Care Hospitals · Tahlequah, OKSaint Francis Hospital South, LLC
Acute Care Hospitals · Tulsa, OKCleveland Area Hospital
Critical Access Hospitals · Cleveland, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
TULSA, OK 74127
TULSA, OK 74127
TULSA, OK 74127
TULSA, OK 74127
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 Joshua Baker's NPI number?
The NPI number for Joshua Baker is 1255892113. It was assigned to this individual provider in the NPPES registry on March 25, 2019.
Where is Joshua Baker located?
Joshua Baker practices at 744 W 9th St, Tulsa, OK 74127. The listed phone number is (801) 875-8173.
What is Joshua Baker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joshua Baker enrolled in Medicare?
Yes. Joshua 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 Joshua Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Baker reassigns Medicare benefits to 8 organizations: Oklahoma State University (Tulsa, OK), Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK), Ies ER Oklahoma LLC (Tulsa, OK), Cherokee Nation (Claremore, OK), Cleveland Area Hospital Holdings, Inc. (Cleveland, OK) and 3 more organizations, 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 Joshua Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Baker accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Joshua 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 Joshua Baker affiliated with any hospitals?
According to CMS data, Joshua Baker is affiliated with Oklahoma State University Medical Center, Saint Francis Hospital, Inc, Cherokee Nation W W Hastings Indian Hospital, Saint Francis Hospital South, LLC and Cleveland Area Hospital.
When was this NPI record last updated?
The NPPES record for Joshua Baker was last updated on July 19, 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.
# Joshua Ryan Baker, DO · NPI 1255892113
Emergency Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since March 25, 2019.
## Identity
- **NPI:** 1255892113 (Entity type: Individual)
- **Enumerated:** March 25, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 6941 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 744 W 9TH ST, Tulsa, OK 74127-9907
- **Phone:** (801) 875-8173
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Oklahoma State University (NPI 1306882261, Tulsa, OK); Green Country Emergency Physicians Group Of Tulsa PLLC (NPI 1972698553, Tulsa, OK); Ies ER Oklahoma LLC (NPI 1447148093, Tulsa, OK); Cherokee Nation (NPI 1497568968, Claremore, OK); Cleveland Area Hospital Holdings, Inc. (NPI 1427295872, Cleveland, OK); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Campbell Univ School Of Osteopathic Medicine, class of 2019
## Record status
- **NPPES last updated:** July 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255892113) · Data from the CMS NPPES public registry.