DR. JOHANNA STEVENS GLASER MD
NPI 1508494238
Student in an Organized Health Care Education/Training Program in San Francisco, CA
About Dr. Johanna Stevens Glaser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHANNA STEVENS GLASER MD (NPI 1508494238) is an individual student in an organized health care education/training program in San Francisco, California and active in the NPI registry since March 2020. 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. Johanna Stevens Glaser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Johanna Glaser 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
- 2,112 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 4
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 94143
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 Johanna Glaser's NPI number?
The NPI number for Johanna Glaser is 1508494238. It was assigned to this individual provider in the NPPES registry on March 29, 2020.
Where is Johanna Glaser located?
Johanna Glaser practices at 533 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-7192.
What is Johanna Glaser's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Johanna Glaser enrolled in Medicare?
Yes. Johanna Glaser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Johanna Glaser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Glaser reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (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 Johanna Glaser'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 Johanna Glaser was last updated on March 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Johanna Stevens Glaser, MD · NPI 1508494238
Student in an Organized Health Care Education/Training Program provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 29, 2020.
## Identity
- **NPI:** 1508494238 (Entity type: Individual)
- **Enumerated:** March 29, 2020
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 533 PARNASSUS AVE, San Francisco, CA 94143-2208
- **Phone:** (415) 353-7192
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, 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:** March 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1508494238) · Data from the CMS NPPES public registry.