EFREN P BARIA JR. DO
NPI 1609982115
Anesthesiology - Pain Medicine in San Francisco, CA
About Efren P Baria Jr. Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EFREN P BARIA JR. DO (NPI 1609982115) is an individual pain medicine provider in San Francisco, California, licensed in California (20A9188) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Efren P Baria Jr. Do 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
4Medicare enrollment records show Efren Baria reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 9
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.
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 FRANCISCO, CA 94110
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 Efren Baria's NPI number?
The NPI number for Efren Baria is 1609982115. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Efren Baria located?
Efren Baria practices at 3555 Cesar Chavez, San Francisco, CA 94110. The listed phone number is (415) 641-6889.
What is Efren Baria's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Efren Baria enrolled in Medicare?
Yes. Efren Baria 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 Efren Baria's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Efren Baria reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Efren Baria'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 Efren Baria was last updated on May 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Efren P Baria Jr., DO · NPI 1609982115
Pain Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 21, 2006.
## Identity
- **NPI:** 1609982115 (Entity type: Individual)
- **Enumerated:** August 21, 2006
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** 20A9188 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3555 CESAR CHAVEZ, San Francisco, CA 94110-4403
- **Phone:** (415) 641-6889
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2001
## Record status
- **NPPES last updated:** May 1, 2008
- **Other identifiers:** Medicare UPIN D36273; Medicare PIN 020A91880 (CA); Medicare UPIN I50104 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1609982115) · Data from the CMS NPPES public registry.