DR. ZACHARY GRIFFIN DO
NPI 1922685049
Internal Medicine in Tulsa, OK
About Dr. Zachary Griffin Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZACHARY GRIFFIN DO (NPI 1922685049) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (7768) and active in the NPI registry since March 2021. 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 3
Other Names 1
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
Dr. Zachary Griffin 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
4Medicare enrollment records show Zachary Griffin reassigns Medicare billing to 4 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
- 210 clinicians in this Medicare group
Tulsa, OK 74137
- Reassigned Medicare billing, Oklahoma enrollment
- 22 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
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 2
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
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, 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Zachary Griffin's NPI number?
The NPI number for Zachary Griffin is 1922685049. It was assigned to this individual provider in the NPPES registry on March 25, 2021. The provider is also known as Dr. Zach Griffin Do.
Where is Zachary Griffin located?
Zachary Griffin practices at 717 S Houston Ave Fl 3, Tulsa, OK 74127. The listed phone number is (918) 382-5058.
What is Zachary Griffin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Zachary Griffin enrolled in Medicare?
Yes. Zachary Griffin 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 Zachary Griffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Griffin reassigns Medicare benefits to 4 organizations: Oklahoma State University (Tulsa, OK), Tulsa Hospital Medicine Physicians Group, LLC (Tulsa, OK), Osumc Professional Services LLC (Tulsa, OK) and Cleveland Area Hospital Holdings, Inc. (Cleveland, 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 Zachary Griffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Griffin accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Zachary Griffin 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 Zachary Griffin affiliated with any hospitals?
According to CMS data, Zachary Griffin is affiliated with Oklahoma State University Medical Center.
When was this NPI record last updated?
The NPPES record for Zachary Griffin was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Zachary Griffin, DO · NPI 1922685049
Internal Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1922685049 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 7768 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 717 S HOUSTON AVE FL 3, Tulsa, OK 74127-9023
- **Phone:** (918) 382-5058
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Oklahoma State University (NPI 1306882261, Tulsa, OK); Tulsa Hospital Medicine Physicians Group, LLC (NPI 1144982711, Tulsa, OK); Osumc Professional Services LLC (NPI 1922325992, Tulsa, OK); Cleveland Area Hospital Holdings, Inc. (NPI 1427295872, Cleveland, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2021
## Record status
- **NPPES last updated:** May 14, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1922685049) · Data from the CMS NPPES public registry.