MICHAEL J MARTIN M.D.
NPI 1750378899
Internal Medicine - Gastroenterology in Tulsa, OK
About Michael J Martin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J MARTIN M.D. (NPI 1750378899) is an individual gastroenterology provider in Tulsa, Oklahoma, licensed in Oklahoma (17291) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Michael J Martin M.d. 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 Michael Martin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74133
- Reassigned Medicare billing, Oklahoma enrollment
- 29 clinicians in this Medicare group
Tulsa, OK 74133
- Reassigned Medicare billing, Oklahoma enrollment
- 13 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 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 15
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.
Ascension St John Jane Phillips
Acute Care Hospitals · Bartlesville, OKSaint Francis Hospital, Inc
Acute Care Hospitals · Tulsa, OKAscension St John Medical Center
Acute Care Hospitals · Tulsa, OKSaint Francis Hospital South, LLC
Acute Care Hospitals · Tulsa, OKAscension St John Broken Arrow
Acute Care Hospitals · Broken Arrow, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74133 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.
Reported Quality Measures
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.
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 Michael Martin's NPI number?
The NPI number for Michael Martin is 1750378899. It was assigned to this individual provider in the NPPES registry on October 4, 2005.
Where is Michael Martin located?
Michael Martin practices at 10210 E 91st St, Tulsa, OK 74133. The listed phone number is (918) 940-8500.
What is Michael Martin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Michael Martin enrolled in Medicare?
Yes. Michael Martin 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 Michael Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Martin reassigns Medicare benefits to 3 organizations: Gastroenterology Specialists, Inc. (Tulsa, OK), Gsi ASC, LLC (Tulsa, OK) and St. John Physicians, Inc. (Tulsa, 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 Michael Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Martin 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 4 other insurers list Michael Martin 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 Michael Martin affiliated with any hospitals?
According to CMS data, Michael Martin is affiliated with Ascension St John Jane Phillips, Saint Francis Hospital, Inc, Ascension St John Medical Center, Saint Francis Hospital South, LLC and Ascension St John Broken Arrow.
When was this NPI record last updated?
The NPPES record for Michael Martin was last updated on February 23, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.