JONATHAN ISENBERG DO
NPI 1255185740
Emergency Medicine in Tulsa, OK
About Jonathan Isenberg Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN ISENBERG DO (NPI 1255185740) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (9114) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS, is affiliated with Muscogee (creek) Nation Medical Center, and maintains a secondary practice location in Miami.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Jonathan Isenberg 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
3Medicare enrollment records show Jonathan Isenberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 162 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Muscogee (creek) Nation Medical Center
Acute Care Hospitals · Okmulgee, OKHillcrest Hospital Henryetta
Acute Care Hospitals · Henryetta, OKCreek Nation Community Hospital
Critical Access Hospitals · Okemah, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74135 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.
TULSA, OK 74135
TULSA, OK 74135
TULSA, OK 74135
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 Jonathan Isenberg's NPI number?
The NPI number for Jonathan Isenberg is 1255185740. It was assigned to this individual provider in the NPPES registry on April 12, 2024.
Where is Jonathan Isenberg located?
Jonathan Isenberg practices at 4502 E 41st St, Tulsa, OK 74135. The listed phone number is (918) 579-2367.
What is Jonathan Isenberg's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jonathan Isenberg enrolled in Medicare?
Yes. Jonathan Isenberg 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 Jonathan Isenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Isenberg reassigns Medicare benefits to 3 organizations: Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK), Creek Nation Hospital & Clinics (Muskogee, OK) and South Central Emergency Services PC (Stillwater, 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 Jonathan Isenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Isenberg affiliated with any hospitals?
According to CMS data, Jonathan Isenberg is affiliated with Muscogee (creek) Nation Medical Center, Hillcrest Hospital Henryetta and Creek Nation Community Hospital.
When was this NPI record last updated?
The NPPES record for Jonathan Isenberg was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Jonathan Isenberg, DO · NPI 1255185740
Emergency Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 12, 2024.
## Identity
- **NPI:** 1255185740 (Entity type: Individual)
- **Enumerated:** April 12, 2024
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 9114 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 E 41ST ST, Tulsa, OK 74135-2536
- **Phone:** (918) 579-2367
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Green Country Emergency Physicians Group Of Tulsa PLLC (NPI 1972698553, Tulsa, OK); Creek Nation Hospital & Clinics (NPI 1922873611, Muskogee, OK); South Central Emergency Services PC (NPI 1558663724, Stillwater, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** January 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255185740) · Data from the CMS NPPES public registry.