JULIAN VILLAR MD
NPI 1689963902
Emergency Medicine in San Francisco, CA
About Julian Villar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIAN VILLAR MD (NPI 1689963902) is an individual emergency medicine provider in San Francisco, California, licensed in California (A124687) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Julian Villar 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
5Medicare enrollment records show Julian Villar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 141 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Julian Villar's NPI number?
The NPI number for Julian Villar is 1689963902. It was assigned to this individual provider in the NPPES registry on April 7, 2011.
Where is Julian Villar located?
Julian Villar practices at 505 Parnassus Ave Rm M24, San Francisco, CA 94143. The listed phone number is (415) 353-1529.
What is Julian Villar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Julian Villar enrolled in Medicare?
Yes. Julian Villar 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 Julian Villar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julian Villar reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), Alameda Health System (Alameda, CA), Solano Gateway Medical Group Inc (Fairfield, CA) and San Joaquin Emergency Medical Associates (Merced, 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 Julian Villar'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 Julian Villar was last updated on December 17, 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.
# Julian Villar, MD · NPI 1689963902
Emergency Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 7, 2011.
## Identity
- **NPI:** 1689963902 (Entity type: Individual)
- **Enumerated:** April 7, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A124687 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 PARNASSUS AVE RM M24, San Francisco, CA 94143-2204
- **Phone:** (415) 353-1529
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); Alameda Health System (NPI 1124446158, Alameda, CA); Solano Gateway Medical Group Inc (NPI 1952344293, Fairfield, CA); San Joaquin Emergency Medical Associates (NPI 1588960413, Merced, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** December 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1689963902) · Data from the CMS NPPES public registry.