SETH MICHAEL GREGORY MD
NPI 1649310764
Internal Medicine - Pulmonary Disease in Oklahoma City, OK
About Seth Michael Gregory Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SETH MICHAEL GREGORY MD (NPI 1649310764) is an individual pulmonary disease provider in Oklahoma City, Oklahoma, licensed in Oklahoma (24490) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Integris Health Ponca City, and is a graduate of University Of Oklahoma College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
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
Seth Michael Gregory 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 Reassignment
Medicare enrollment records show Seth Gregory reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73134
- Reassigned Medicare billing, Oklahoma enrollment
- 1,058 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 9
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.
Integris Health Ponca City
Acute Care Hospitals · Ponca City, OKIntegris Baptist Medical Center, Inc
Acute Care Hospitals · Oklahoma City, OKIntegris Southwest Medical Center
Acute Care Hospitals · Oklahoma City, OKIntegris Canadian Valley Hospital
Acute Care Hospitals · Yukon, OKIntegris Health Edmond Hospital
Acute Care Hospitals · Edmond, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73112 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 4
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73112
OKLAHOMA CITY, OK 73112
OKLAHOMA CITY, OK 73112
OKLAHOMA CITY, OK 73112
OKLAHOMA CITY, OK 73112
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 Seth Gregory's NPI number?
The NPI number for Seth Gregory is 1649310764. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Seth Gregory located?
Seth Gregory practices at 5501 N Portland Ave, Oklahoma City, OK 73112. The listed phone number is (405) 604-4577.
What is Seth Gregory's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Seth Gregory enrolled in Medicare?
Yes. Seth Gregory 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 organization bills Medicare for Seth Gregory's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Gregory reassigns Medicare benefits to Integris Ambulatory Care Corporation (Oklahoma City, OK). The 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 Seth Gregory's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Seth Gregory accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare and UnitedHealthcare list Seth Gregory 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 Seth Gregory affiliated with any hospitals?
According to CMS data, Seth Gregory is affiliated with Integris Health Ponca City, Integris Baptist Medical Center, Inc, Integris Southwest Medical Center, Integris Canadian Valley Hospital and Integris Health Edmond Hospital.
When was this NPI record last updated?
The NPPES record for Seth Gregory was last updated on January 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Seth Michael Gregory, MD · NPI 1649310764
Pulmonary Disease physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since February 7, 2007.
## Identity
- **NPI:** 1649310764 (Entity type: Individual)
- **Enumerated:** February 7, 2007
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 24490 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 N PORTLAND AVE, Oklahoma City, OK 73112-2074
- **Phone:** (405) 604-4577 · **Fax:** (405) 604-4578
## 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:** Integris Ambulatory Care Corporation (NPI 1750333936, Oklahoma City, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** January 26, 2021
- **Other identifiers:** Medicaid 200209370A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1649310764) · Data from the CMS NPPES public registry.