DR. TRI DANG DO MD
NPI 1053402651
Internal Medicine in Oakland, CA
About Dr. Tri Dang Do Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TRI DANG DO MD (NPI 1053402651) is an individual internal medicine provider in Oakland, California, licensed in California (A70135) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fremont, and is a graduate of Boston University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Tri Dang Do 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 Reassignments
2Medicare enrollment records show Tri Do reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94102
- Reassigned Medicare billing, California enrollment
- 76 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 127 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 94612 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94612
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 Tri Do's NPI number?
The NPI number for Tri Do is 1053402651. It was assigned to this individual provider in the NPPES registry on September 27, 2006.
Where is Tri Do located?
Tri Do practices at 384 14th St, Oakland, CA 94612. The listed phone number is (510) 891-8972.
What is Tri Do's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tri Do enrolled in Medicare?
Yes. Tri Do 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 Tri Do's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tri Do reassigns Medicare benefits to 2 organizations: Healthright 360 (San Francisco, CA) and Bay Area Community Health (Fremont, 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 Tri Do'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 Tri Do was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Tri Dang Do, MD · NPI 1053402651
Internal Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since September 27, 2006.
## Identity
- **NPI:** 1053402651 (Entity type: Individual)
- **Enumerated:** September 27, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A70135 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 384 14TH ST, Oakland, CA 94612-3211
- **Phone:** (510) 891-8972
## 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): Healthright 360 (NPI 1447279310, San Francisco, CA); Bay Area Community Health (NPI 1184791998, Fremont, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** March 2, 2026
- **Other identifiers:** Medicaid 00A701350 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1053402651) · Data from the CMS NPPES public registry.