GREGORY HAGEN HULSEY MD
NPI 1780635649
Anesthesiology in Oklahoma City, OK
About Gregory Hagen Hulsey Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY HAGEN HULSEY MD (NPI 1780635649) is an individual anesthesiology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (22520) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and maintains a secondary practice location in Oklahoma City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Gregory Hagen Hulsey 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 Gregory Hulsey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
O U Medical Center
Acute Care Hospitals · Oklahoma City, OKMedicare 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.
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
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 Hulsey's NPI number?
The NPI number for Gregory Hulsey is 1780635649. It was assigned to this individual provider in the NPPES registry on May 15, 2006.
Where is Gregory Hulsey located?
Gregory Hulsey practices at 920 Stanton L Young Blvd Ste 1140, Oklahoma City, OK 73104. The listed phone number is (405) 271-4351.
What is Gregory Hulsey's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Hulsey enrolled in Medicare?
Yes. Gregory Hulsey 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 Gregory Hulsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Hulsey reassigns Medicare benefits to Ou Health Partners, Inc (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 Gregory Hulsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Hulsey accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Gregory Hulsey 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 Hulsey affiliated with any hospitals?
According to CMS data, Gregory Hulsey is affiliated with O U Medical Center.
When was this NPI record last updated?
The NPPES record for Gregory Hulsey was last updated on January 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gregory Hagen Hulsey, MD · NPI 1780635649
Anesthesiology physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since May 15, 2006.
## Identity
- **NPI:** 1780635649 (Entity type: Individual)
- **Enumerated:** May 15, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 22520 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 920 STANTON L YOUNG BLVD STE 1140, Oklahoma City, OK 73104-5036
- **Phone:** (405) 271-4351 · **Fax:** (405) 271-8695
## 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:** Ou Health Partners, Inc (NPI 1528642642, 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 2001
## Record status
- **NPPES last updated:** January 13, 2023
- **Other identifiers:** Medicaid 20056910A (OK); Other 731451967001
---
Source: [NPI Profile](https://npiprofile.com/npi/1780635649) · Data from the CMS NPPES public registry.