DR. MONICA HAHN MD MPH MS
NPI 1528353059
Student in an Organized Health Care Education/Training Program in San Francisco, CA
About Dr. Monica Hahn Md Mph Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MONICA HAHN MD MPH MS (NPI 1528353059) is an individual student in an organized health care education/training program in San Francisco, California and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Monica Hahn Md Mph Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Monica Hahn 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 94110
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 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 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
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 Monica Hahn's NPI number?
The NPI number for Monica Hahn is 1528353059. It was assigned to this individual provider in the NPPES registry on June 13, 2011.
Where is Monica Hahn located?
Monica Hahn practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (415) 206-8610.
What is Monica Hahn's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Monica Hahn enrolled in Medicare?
Yes. Monica Hahn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Monica Hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Hahn reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh 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 Monica 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 Monica Hahn was last updated on May 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Monica Hahn, MD MPH MS · NPI 1528353059
Student in an Organized Health Care Education/Training Program provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 13, 2011.
## Identity
- **NPI:** 1528353059 (Entity type: Individual)
- **Enumerated:** June 13, 2011
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 POTRERO AVE, San Francisco, CA 94110-3518
- **Phone:** (415) 206-8610
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): City & County Of San Francisco (NPI 1083648810, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1174598296, 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
## Record status
- **NPPES last updated:** May 28, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1528353059) · Data from the CMS NPPES public registry.