DR. ANDREW ROBERT RIVERA MD
NPI 1629464474
Anesthesiology in San Ramon, CA
About Dr. Andrew Robert Rivera Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW ROBERT RIVERA MD (NPI 1629464474) is an individual anesthesiology provider in San Ramon, California, licensed in Washington (60956782) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2015).
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. Andrew Robert Rivera 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
6Medicare enrollment records show Andrew Rivera reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Daly City, CA 94015
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
Saranac Lake, NY 12983
- Reassigned Medicare billing, New York enrollment
- 248 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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 7
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.
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.
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 RAMON, CA 94583
SAN RAMON, CA 94583
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 Andrew Rivera's NPI number?
The NPI number for Andrew Rivera is 1629464474. It was assigned to this individual provider in the NPPES registry on April 8, 2015. The provider is also known as Dr. Andrew Robert Rivera-Hober MD.
Where is Andrew Rivera located?
Andrew Rivera practices at 6001 Norris Canyon Rd, San Ramon, CA 94583. The listed phone number is (925) 275-9200.
What is Andrew Rivera's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Rivera enrolled in Medicare?
Yes. Andrew Rivera 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 Andrew Rivera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Rivera reassigns Medicare benefits to 6 organizations: Premier Anesthesia Of California, PC (San Ramon, CA), Cep America - Anesthesia PC (San Ramon, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Anesthesia Care Consultants Inc (Daly City, CA), Premier Anesthesia Of New York, P.C. (Saranac Lake, NY) and 1 more organization, 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 Andrew Rivera'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 Andrew Rivera was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.