GRAFTON JOSEPH PREWETT
NPI 1730684705
Physical Therapist in Grass Valley, CA
About Grafton Joseph Prewett NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAFTON JOSEPH PREWETT (NPI 1730684705) is an individual physical therapist in Grass Valley, California, licensed in California (294672) and active in the NPI registry since March 2018. He is a graduate of Other (2017).
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)
Grafton Joseph Prewett is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Grafton Prewett reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Nevada City, CA 95959
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 1,388 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 3
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.
GRASS VALLEY, CA 95945
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 Grafton Prewett's NPI number?
The NPI number for Grafton Prewett is 1730684705. It was assigned to this individual provider in the NPPES registry on March 29, 2018.
Where is Grafton Prewett located?
Grafton Prewett practices at 300 Sierra College Dr Ste 165, Grass Valley, CA 95945. The listed phone number is (530) 274-2320.
What is Grafton Prewett's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Grafton Prewett enrolled in Medicare?
Yes. Grafton Prewett is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grafton Prewett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grafton Prewett reassigns Medicare benefits to 5 organizations: Spring Hill Physical Therapy PC (Grass Valley, CA), Grass Valley Extended Care Inc (Grass Valley, CA), Kuldip Gill M D P C (Grass Valley, CA), (Nevada City, CA) and California Luna Care Physical Therapy PC (Los Gatos, 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 Grafton Prewett'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 Grafton Prewett was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Grafton Joseph Prewett · NPI 1730684705
Physical Therapist provider in Grass Valley, California. Individual provider, active in the CMS NPPES registry since March 29, 2018.
## Identity
- **NPI:** 1730684705 (Entity type: Individual)
- **Enumerated:** March 29, 2018
- **Primary specialty:** Physical Therapist · taxonomy 225100000X
- **State license:** 294672 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 SIERRA COLLEGE DR STE 165, Grass Valley, CA 95945-5083
- **Phone:** (530) 274-2320
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Spring Hill Physical Therapy PC (NPI 1770869711, Grass Valley, CA); Grass Valley Extended Care Inc (NPI 1356765218, Grass Valley, CA); Kuldip Gill M D P C (NPI 1932397601, Grass Valley, CA); (NPI 1437583903, Nevada City, CA); California Luna Care Physical Therapy PC (NPI 1689162166, Los Gatos, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** November 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1730684705) · Data from the CMS NPPES public registry.