DR. THAN NGUYEN D.O.
NPI 1316207236
Internal Medicine in Berkeley, CA
About Dr. Than Nguyen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THAN NGUYEN D.O. (NPI 1316207236) is an individual internal medicine provider in Berkeley, California, licensed in Michigan (L2226995) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Farmington Hills, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Than Nguyen D.o. 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 Than Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94705 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Than Nguyen's NPI number?
The NPI number for Than Nguyen is 1316207236. It was assigned to this individual provider in the NPPES registry on May 24, 2012.
Where is Than Nguyen located?
Than Nguyen practices at 2850 Telegraph Ave Ste 130, Berkeley, CA 94705. The listed phone number is (510) 204-8120.
What is Than Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Than Nguyen enrolled in Medicare?
Yes. Than Nguyen 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 Than Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Than Nguyen reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and Permanente Medical Group Inc (Richmond, CA). 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 Than Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Than Nguyen was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Than Nguyen, D.O. · NPI 1316207236
Internal Medicine physician in Berkeley, California. Individual provider, active in the CMS NPPES registry since May 24, 2012.
## Identity
- **NPI:** 1316207236 (Entity type: Individual)
- **Enumerated:** May 24, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** L2226995 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2850 TELEGRAPH AVE STE 130, Berkeley, CA 94705-1159
- **Phone:** (510) 204-8120 · **Fax:** (510) 506-7721
## 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): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Permanente Medical Group Inc (NPI 1235226531, Richmond, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2012
## Record status
- **NPPES last updated:** November 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316207236) · Data from the CMS NPPES public registry.