ALISON BAKER NAIR MD
NPI 1790008993
Pediatrics - Pediatric Critical Care Medicine in San Francisco, CA
About Alison Baker Nair Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON BAKER NAIR MD (NPI 1790008993) is an individual pediatric critical care medicine provider in San Francisco, California, licensed in California (A116964) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (2009).
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
Alison Baker Nair 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
3Medicare enrollment records show Alison Nair reassigns Medicare billing to 3 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
- 1,159 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.
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
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 Alison Nair's NPI number?
The NPI number for Alison Nair is 1790008993. It was assigned to this individual provider in the NPPES registry on March 3, 2010.
Where is Alison Nair located?
Alison Nair practices at 505 Parnassus Ave Box 0110, San Francisco, CA 94143. The listed phone number is (415) 476-6245.
What is Alison Nair's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Alison Nair enrolled in Medicare?
Yes. Alison Nair 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 Alison Nair's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Nair reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (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 Alison Nair'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 Alison Nair was last updated on September 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alison Baker Nair, MD · NPI 1790008993
Pediatric Critical Care Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 3, 2010.
## Identity
- **NPI:** 1790008993 (Entity type: Individual)
- **Enumerated:** March 3, 2010
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** A116964 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 PARNASSUS AVE, BOX 0110, San Francisco, CA 94143-2204
- **Phone:** (415) 476-6245
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ucsf Pediatrics Associates (NPI 1376614016, 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:** University Of Chicago, Pritzker School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** September 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1790008993) · Data from the CMS NPPES public registry.