GEOFFREY S. CHOW M.D.
NPI 1447483565
Surgery in Tulsa, OK
About Geoffrey S. Chow M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEOFFREY S. CHOW M.D. (NPI 1447483565) is an individual surgery provider in Tulsa, Oklahoma, licensed in Oklahoma (33160) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2009).
NPPES Registry Identity
Specialties & Licenses
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
Geoffrey S. Chow M.d. 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
2Medicare enrollment records show Geoffrey Chow reassigns Medicare billing to 2 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
- 124 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 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, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74135 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 74135
TULSA, OK 74135
TULSA, OK 74135
TULSA, OK 74135
TULSA, OK 74135
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 Geoffrey Chow's NPI number?
The NPI number for Geoffrey Chow is 1447483565. It was assigned to this individual provider in the NPPES registry on August 24, 2009.
Where is Geoffrey Chow located?
Geoffrey Chow practices at 4444 E 41st St, Tulsa, OK 74135. The listed phone number is (918) 619-4400.
What is Geoffrey Chow's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Geoffrey Chow enrolled in Medicare?
Yes. Geoffrey Chow 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 Geoffrey Chow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Chow reassigns Medicare benefits to 2 organizations: Board Of Regents Of The University Of Oklahoma Ou Physicians Tulsa (Tulsa, 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 Geoffrey Chow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geoffrey Chow 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 Geoffrey Chow 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 Geoffrey Chow affiliated with any hospitals?
According to CMS data, Geoffrey Chow is affiliated with Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Geoffrey Chow was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Geoffrey S. Chow, M.D. · NPI 1447483565
Surgery physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since August 24, 2009.
## Identity
- **NPI:** 1447483565 (Entity type: Individual)
- **Enumerated:** August 24, 2009
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 33160 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4444 E 41ST ST, Tulsa, OK 74135-2527
- **Phone:** (918) 619-4400 · **Fax:** (918) 619-4960
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Board Of Regents Of The University Of Oklahoma Ou Physicians Tulsa (NPI 1154385730, Tulsa, OK); Creek Nation Hospital & Clinics (NPI 1922873611, Muskogee, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2009
## Record status
- **NPPES last updated:** March 26, 2025
- **Other identifiers:** Medicaid 200719260A (OK)
---
Source: [NPI Profile](https://npiprofile.com/npi/1447483565) · Data from the CMS NPPES public registry.