DR. ALAN MARSHALL HAWXBY MD
NPI 1225047145
Transplant Surgery in Oklahoma City, OK
About Dr. Alan Marshall Hawxby Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN MARSHALL HAWXBY MD (NPI 1225047145) is an individual transplant surgery provider in Oklahoma City, Oklahoma, licensed in Oklahoma (28113) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Medical Center, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Alan Marshall Hawxby 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 Alan Hawxby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Medical Center
Acute Care Hospitals · Tulsa, OKReferred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Alan Hawxby's NPI number?
The NPI number for Alan Hawxby is 1225047145. It was assigned to this individual provider in the NPPES registry on August 7, 2006.
Where is Alan Hawxby located?
Alan Hawxby practices at 940 N. E. 13th Street Suite 3000, Oklahoma City, OK 73104. The listed phone number is (405) 271-7498.
What is Alan Hawxby's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Alan Hawxby enrolled in Medicare?
Yes. Alan Hawxby 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 Alan Hawxby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Hawxby reassigns Medicare benefits to St. John Physicians, Inc. (Tulsa, 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 Alan Hawxby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Hawxby accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health, Select Health and UnitedHealthcare list Alan Hawxby 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 Alan Hawxby affiliated with any hospitals?
According to CMS data, Alan Hawxby is affiliated with Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Alan Hawxby was last updated on June 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Alan Marshall Hawxby, MD · NPI 1225047145
Transplant Surgery physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since August 7, 2006.
## Identity
- **NPI:** 1225047145 (Entity type: Individual)
- **Enumerated:** August 7, 2006
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** 28113 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 940 N. E. 13TH STREET, SUITE 3000, Oklahoma City, OK 73104-5099
- **Phone:** (405) 271-7498 · **Fax:** (405) 271-4328
## 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:** St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** June 1, 2022
- **Other identifiers:** Medicaid 009955185 (AL); Medicaid 009955315 (AL); Medicaid 200314170A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1225047145) · Data from the CMS NPPES public registry.