MARY OLIVER ULRICH MD
NPI 1891841474
Obstetrics & Gynecology in San Francisco, CA
About Mary Oliver Ulrich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY OLIVER ULRICH MD (NPI 1891841474) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A105443) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Oliver Ulrich Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mary Ulrich 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 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 339 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94118 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 94118
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
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 Mary Ulrich's NPI number?
The NPI number for Mary Ulrich is 1891841474. It was assigned to this individual provider in the NPPES registry on January 26, 2007. The provider is also known as Mary Kristine Oliver M.D..
Where is Mary Ulrich located?
Mary Ulrich practices at 3838 California St Suite 510, San Francisco, CA 94118. The listed phone number is (415) 668-1563.
What is Mary Ulrich's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Ulrich enrolled in Medicare?
Yes. Mary Ulrich is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Ulrich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ulrich reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Regents Univ Of California Ucsf (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 Mary Ulrich'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 Mary Ulrich was last updated on February 21, 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.
# Mary Oliver Ulrich, MD · NPI 1891841474
Obstetrics & Gynecology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since January 26, 2007.
## Identity
- **NPI:** 1891841474 (Entity type: Individual)
- **Enumerated:** January 26, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A105443 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3838 CALIFORNIA ST, SUITE 510, San Francisco, CA 94118-1522
- **Phone:** (415) 668-1563
## 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): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Regents Univ Of California Ucsf (NPI 1124439807, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** February 21, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1891841474) · Data from the CMS NPPES public registry.