JOHN THOMAS HIETT
NPI 1962022749
Emergency Medicine in Tulsa, OK
About John Thomas Hiett NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN THOMAS HIETT (NPI 1962022749) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (36125) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
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
John Thomas Hiett 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 John Hiett 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, Missouri and Oklahoma enrollments
- 55 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 153 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.
Mercy Hospital Joplin
Acute Care Hospitals · Joplin, MOMercy Hospital Carthage
Critical Access Hospitals · Carthage, MOHillcrest Medical Center
Acute Care Hospitals · Tulsa, OKMuscogee (creek) Nation Medical Center
Acute Care Hospitals · Okmulgee, OKBailey Medical Center, LLC
Acute Care Hospitals · Owasso, 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 John Hiett's NPI number?
The NPI number for John Hiett is 1962022749. It was assigned to this individual provider in the NPPES registry on April 21, 2020.
Where is John Hiett located?
John Hiett practices at 4502 E 41st St, Tulsa, OK 74135. The listed phone number is (918) 579-2367.
What is John Hiett's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Hiett enrolled in Medicare?
Yes. John Hiett 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 John Hiett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hiett reassigns Medicare benefits to 3 organizations: Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK), Creek Nation Hospital & Clinics (Muskogee, OK) and Mercy Hospital Carthage (Carthage, MO). 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 John Hiett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Hiett affiliated with any hospitals?
According to CMS data, John Hiett is affiliated with Mercy Hospital Joplin, Mercy Hospital Carthage, Hillcrest Medical Center, Muscogee (creek) Nation Medical Center and Bailey Medical Center, LLC.
When was this NPI record last updated?
The NPPES record for John Hiett was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# John Thomas Hiett · NPI 1962022749
Emergency Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 21, 2020.
## Identity
- **NPI:** 1962022749 (Entity type: Individual)
- **Enumerated:** April 21, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 36125 (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); Mercy Hospital Carthage (NPI 1003201955, Carthage, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas A & M University System, Hsc, College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962022749) · Data from the CMS NPPES public registry.