DR. KEVIN M. MCNAMARA MD
NPI 1770744575
Internal Medicine - Gastroenterology in Tulsa, OK
About Dr. Kevin M. Mcnamara Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEVIN M. MCNAMARA MD (NPI 1770744575) is an individual gastroenterology provider in Tulsa, Oklahoma, licensed in Oklahoma (28284) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and is a graduate of University Of Oklahoma College Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Kevin M. Mcnamara Md 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 Kevin Mcnamara reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74135
- Reassigned Medicare billing, Oklahoma enrollment
- 18 clinicians in this Medicare group
Claremore, OK 74017
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 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 16
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, OKMuscogee (creek) Nation Medical Center
Acute Care Hospitals · Okmulgee, OKSaint Francis Hospital, Inc
Acute Care Hospitals · Tulsa, OKCherokee Nation W W Hastings Indian Hospital
Acute Care Hospitals · Tahlequah, OKOklahoma Surgical Hospital, LLC
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74136 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 74136
TULSA, OK 74136
TULSA, OK 74136
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 Kevin Mcnamara's NPI number?
The NPI number for Kevin Mcnamara is 1770744575. It was assigned to this individual provider in the NPPES registry on June 24, 2008.
Where is Kevin Mcnamara located?
Kevin Mcnamara practices at 6465 S Yale Ave Suite 1002, Tulsa, OK 74136. The listed phone number is (918) 481-4700.
What is Kevin Mcnamara's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Kevin Mcnamara enrolled in Medicare?
Yes. Kevin Mcnamara 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 Kevin Mcnamara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Mcnamara reassigns Medicare benefits to 3 organizations: Adult Gastroenterology Associates Inc (Tulsa, OK), Cherokee Nation (Claremore, OK) and Creek Nation Hospital & Clinics (Muskogee, 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 Kevin Mcnamara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kevin Mcnamara 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 3 other insurers list Kevin Mcnamara 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 Kevin Mcnamara affiliated with any hospitals?
According to CMS data, Kevin Mcnamara is affiliated with Ascension St John Jane Phillips, Muscogee (creek) Nation Medical Center, Saint Francis Hospital, Inc, Cherokee Nation W W Hastings Indian Hospital and Oklahoma Surgical Hospital, LLC.
When was this NPI record last updated?
The NPPES record for Kevin Mcnamara was last updated on August 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.