DR. THOMAS M BEY M.D.
NPI 1568488971
Radiology - Vascular & Interventional Radiology in Duarte, CA
About Dr. Thomas M Bey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS M BEY M.D. (NPI 1568488971) is an individual vascular & interventional radiology provider in Duarte, California, licensed in California (G75671) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Dr. Thomas M Bey 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
15Medicare enrollment records show Thomas Bey reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Chico, CA 95926
- Reassigned Medicare billing, California enrollment
- 184 clinicians in this Medicare group
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
Roseburg, OR 97471
- Reassigned Medicare billing, Oregon enrollment
- 90 clinicians in this Medicare group
Hermiston, OR 97838
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1295789667 (Oregon)
- 344 clinicians in this Medicare group
Dickinson, ND 58601
- Reassigned Medicare billing, North Dakota enrollment
- 779 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Alexius Health
Acute Care Hospitals · Bismarck, NDMckenzie County Healthcare Systems Inc
Critical Access Hospitals · Watford City, NDChi St Alexius Health Dickinson
Critical Access Hospitals · Dickinson, NDProvidence St Peter Hospital
Acute Care Hospitals · Olympia, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91010 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.
Reported Quality Measures
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.
DUARTE, CA 91010
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 Thomas Bey's NPI number?
The NPI number for Thomas Bey is 1568488971. It was assigned to this individual provider in the NPPES registry on July 15, 2006.
Where is Thomas Bey located?
Thomas Bey practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (800) 826-4673.
What is Thomas Bey's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Thomas Bey enrolled in Medicare?
Yes. Thomas Bey 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 Thomas Bey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Bey reassigns Medicare benefits to 15 organizations: City Of Hope Medical Foundation (Duarte, CA), Sol Radiology, Inc. (Victorville, CA), County Of San Joaquin (Manteca, CA), San Joaquin Faculty Medical Group (French Camp, CA), Enloe Medical Center (Chico, CA) and 10 more organizations, listed in the Medicare section above. 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 Thomas Bey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Bey accept?
Health plans from Blue Cross Blue Shield of North Dakota, Moda Health Plan, Inc. and Sanford Health Plan list Thomas Bey 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 Thomas Bey affiliated with any hospitals?
According to CMS data, Thomas Bey is affiliated with Chi St Alexius Health, Mckenzie County Healthcare Systems Inc, Chi St Alexius Health Dickinson and Providence St Peter Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Bey was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Thomas M Bey, M.D. · NPI 1568488971
Vascular & Interventional Radiology physician in Duarte, California. Individual provider, active in the CMS NPPES registry since July 15, 2006.
## Identity
- **NPI:** 1568488971 (Entity type: Individual)
- **Enumerated:** July 15, 2006
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** G75671 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (800) 826-4673
## 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:** 15 organizations under Medicare reassignment (form CMS-855R): City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Sol Radiology, Inc. (NPI 1457928111, Victorville, CA); County Of San Joaquin (NPI 1417407636, Manteca, CA); San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA); Enloe Medical Center (NPI 1477975613, Chico, CA); and 10 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** September 23, 2025
- **Other identifiers:** Medicaid 00G756710 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1568488971) · Data from the CMS NPPES public registry.