MRS. ANDREA M HERMOSILLO-HAHN D.P.T.
NPI 1871771428
Physical Therapist in San Mateo, CA
About Mrs. Andrea M Hermosillo-hahn D.p.t. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ANDREA M HERMOSILLO-HAHN D.P.T. (NPI 1871771428) is an individual physical therapist in San Mateo, California, licensed in California (34350) and active in the NPI registry since February 2008.
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Andrea M Hermosillo-hahn D.p.t. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrea Hermosillo-hahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94129
- Reassigned Medicare billing, California enrollment
- 31 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Andrea Hermosillo-hahn's NPI number?
The NPI number for Andrea Hermosillo-hahn is 1871771428. It was assigned to this individual provider in the NPPES registry on February 6, 2008.
Where is Andrea Hermosillo-hahn located?
Andrea Hermosillo-hahn practices at 800 S Claremont St Suite #102, San Mateo, CA 94402. The listed phone number is (650) 685-4800.
What is Andrea Hermosillo-hahn's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Andrea Hermosillo-hahn enrolled in Medicare?
Yes. Andrea Hermosillo-hahn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrea Hermosillo-hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Hermosillo-hahn reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and Presidio Sport & Medicine, Inc. (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 Andrea Hermosillo-hahn'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 Andrea Hermosillo-hahn was last updated on January 3, 2022. 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.