KATHERINE DIANNE UMHOEFER MD
NPI 1760040059
Hospitalist in Palo Alto, CA
About Katherine Dianne Umhoefer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE DIANNE UMHOEFER MD (NPI 1760040059) is an individual hospitalist provider in Palo Alto, California, licensed in California (A181002) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katherine Dianne Umhoefer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Katherine Umhoefer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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 94304 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.
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 Umhoefer's NPI number?
The NPI number for Katherine Umhoefer is 1760040059. It was assigned to this individual provider in the NPPES registry on May 31, 2019.
Where is Katherine Umhoefer located?
Katherine Umhoefer practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Katherine Umhoefer's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Katherine Umhoefer enrolled in Medicare?
Yes. Katherine Umhoefer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katherine Umhoefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Umhoefer reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Katherine Umhoefer'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 Umhoefer was last updated on April 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.