DR. TONNIA THUHANH TRAN D.O.
NPI 1982746657
Family Medicine in San Diego, CA
About Dr. Tonnia Thuhanh Tran D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TONNIA THUHANH TRAN D.O. (NPI 1982746657) is an individual family medicine provider in San Diego, California, licensed in California (20A7662) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Tonnia Thuhanh Tran 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 Reassignment
Medicare enrollment records show Tonnia Tran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 341 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 92105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SAN DIEGO, CA 92105
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 Tonnia Tran's NPI number?
The NPI number for Tonnia Tran is 1982746657. It was assigned to this individual provider in the NPPES registry on February 12, 2007. The provider is also known as Tonnia T Nguyen Do.
Where is Tonnia Tran located?
Tonnia Tran practices at 4290 Polk Ave, San Diego, CA 92105. The listed phone number is (619) 563-0250.
What is Tonnia Tran's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tonnia Tran enrolled in Medicare?
Yes. Tonnia Tran 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 Tonnia Tran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tonnia Tran reassigns Medicare benefits to Monica Perlman MD Inc. (La Jolla, CA). 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 Tonnia Tran'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 Tonnia Tran was last updated on March 7, 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.
# Dr. Tonnia Thuhanh Tran, D.O. · NPI 1982746657
Family Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since February 12, 2007.
## Identity
- **NPI:** 1982746657 (Entity type: Individual)
- **Enumerated:** February 12, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A7662 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4290 POLK AVE, San Diego, CA 92105-1524
- **Phone:** (619) 563-0250 · **Fax:** (619) 563-0293
## 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:** Monica Perlman MD Inc. (NPI 1134309305, La Jolla, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 1998
## Record status
- **NPPES last updated:** March 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1982746657) · Data from the CMS NPPES public registry.