KATHERINE PATRICIA REIM MD
NPI 1417451758
Obstetrics & Gynecology in Greenbrae, CA
About Katherine Patricia Reim Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE PATRICIA REIM MD (NPI 1417451758) is an individual obstetrics & gynecology provider in Greenbrae, California, licensed in California (A163981) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Mayo Medical School (2018).
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)
Katherine Patricia Reim Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Katherine Reim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Areas of Expertise CMS Part B claims 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Katherine Reim's NPI number?
The NPI number for Katherine Reim is 1417451758. It was assigned to this individual provider in the NPPES registry on March 21, 2018. The provider is also known as Katherine Patricia Zimmerman.
Where is Katherine Reim located?
Katherine Reim practices at 100A Drakes Landing Rd Ste 225, Greenbrae, CA 94904. The listed phone number is (415) 461-7800.
What is Katherine Reim's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Katherine Reim enrolled in Medicare?
Yes. Katherine Reim is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Katherine Reim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Reim reassigns Medicare benefits to Regents Univ Of California Ucsf (San Francisco, CA). The 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 Katherine Reim'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 Katherine Reim was last updated on June 23, 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.