GREGORY H MCKINNIS MD
NPI 1972542207
Internal Medicine - Pulmonary Disease in Oklahoma City, OK
About Gregory H Mckinnis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY H MCKINNIS MD (NPI 1972542207) is an individual pulmonary disease provider in Oklahoma City, Oklahoma, licensed in Oklahoma (19047) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Anthony Hospital - Oklahoma City, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1996).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
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
Gregory H Mckinnis 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 Gregory Mckinnis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- 2 clinicians in this Medicare group
Oklahoma City, OK 73106
- Reassigned Medicare billing, Oklahoma enrollment
- 63 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 11 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, OKSsm Health St Anthony Hospital - Shawnee
Acute Care Hospitals · Shawnee, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73102 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.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73102
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 Gregory Mckinnis's NPI number?
The NPI number for Gregory Mckinnis is 1972542207. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is Gregory Mckinnis located?
Gregory Mckinnis practices at 608 NW 9th Suite 2100, Oklahoma City, OK 73102. The listed phone number is (405) 232-5555.
What is Gregory Mckinnis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Gregory Mckinnis enrolled in Medicare?
Yes. Gregory Mckinnis 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 Gregory Mckinnis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mckinnis reassigns Medicare benefits to 3 organizations: Midwest Pulmonary And Sleep (Oklahoma City, OK), Healthfirst Physicians Management Services, Inc (Oklahoma City, OK) and Nextgen Sleep LLC (Oklahoma City, 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 Gregory Mckinnis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Mckinnis 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 Gregory Mckinnis 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 Gregory Mckinnis affiliated with any hospitals?
According to CMS data, Gregory Mckinnis is affiliated with Ssm Health St Anthony Hospital - Oklahoma City and Ssm Health St Anthony Hospital - Shawnee.
When was this NPI record last updated?
The NPPES record for Gregory Mckinnis was last updated on October 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.