MARY KATHERINE BAKER
NPI 1942843578
Physical Therapist in Walnut Creek, CA
About Mary Katherine Baker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATHERINE BAKER (NPI 1942843578) is an individual physical therapist in Walnut Creek, California, licensed in California (PT297278) and active in the NPI registry since October 2019.
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Katherine Baker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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 2
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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Baker's NPI number?
The NPI number for Mary Baker is 1942843578. It was assigned to this individual provider in the NPPES registry on October 27, 2019.
Where is Mary Baker located?
Mary Baker practices at 2255 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 930-6680.
What is Mary Baker's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Mary Baker enrolled in Medicare?
Yes. Mary Baker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Baker reassigns Medicare benefits to 2 organizations: Pacer Physical Therapy, Inc. (Walnut Creek, CA) and Permanente Medical Group Inc (Richmond, 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 Baker'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 Baker was last updated on February 11, 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.