JOSE C. TRONCOSO MD
NPI 1457439234
Internal Medicine - Rheumatology in Oakland, CA
About Jose C. Troncoso Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSE C. TRONCOSO MD (NPI 1457439234) is an individual rheumatology provider in Oakland, California, licensed in California (A50997) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
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
Jose C. Troncoso 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 Jose Troncoso reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Bakersfield, CA 93312
- Reassigned Medicare billing, California enrollment
- 5,228 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 94611 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.
OAKLAND, CA 94611
OAKLAND, CA 94611
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 Jose Troncoso's NPI number?
The NPI number for Jose Troncoso is 1457439234. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Jose Troncoso located?
Jose Troncoso practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (510) 752-1000.
What is Jose Troncoso's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jose Troncoso enrolled in Medicare?
Yes. Jose Troncoso 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 Jose Troncoso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jose Troncoso reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Richmond, CA) and Southern California Permanente Medical Group (Bakersfield, 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 Jose Troncoso'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 Jose Troncoso was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Jose C. Troncoso, MD · NPI 1457439234
Rheumatology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1457439234 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** A50997 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 275 W MACARTHUR BLVD, Oakland, CA 94611-5641
- **Phone:** (510) 752-1000
## 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): Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); Southern California Permanente Medical Group (NPI 1316572753, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 1986
## Record status
- **NPPES last updated:** November 29, 2021
- **Other identifiers:** Medicaid 00A509970 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457439234) · Data from the CMS NPPES public registry.