DR. GARTH TROY GREENWELL D.O.
NPI 1578676789
Physical Medicine & Rehabilitation in Pleasanton, CA
About Dr. Garth Troy Greenwell D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARTH TROY GREENWELL D.O. (NPI 1578676789) is an individual physical medicine & rehabilitation provider in Pleasanton, California, licensed in California (20A11365) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Minidoka Memorial Hospital, and is a graduate of University Of California, Davis School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Garth Troy Greenwell D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Garth Greenwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 172 clinicians in this Medicare group
Rupert, ID 83350
- Reassigned Medicare billing, Idaho enrollment
- Also billed through NPI 1134333495 (Idaho)
- 60 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Minidoka Memorial Hospital
Critical Access Hospitals · Rupert, IDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PLEASANTON, CA 94588
PLEASANTON, CA 94588
PLEASANTON, CA 94588
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 Garth Greenwell's NPI number?
The NPI number for Garth Greenwell is 1578676789. It was assigned to this individual provider in the NPPES registry on August 15, 2006.
Where is Garth Greenwell located?
Garth Greenwell practices at 5725 W Las Positas Blvd Suite 200, Pleasanton, CA 94588. The listed phone number is (925) 469-6274.
What is Garth Greenwell's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Garth Greenwell enrolled in Medicare?
Yes. Garth Greenwell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Garth Greenwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Garth Greenwell reassigns Medicare benefits to 2 organizations: Sonora Community Hospital (Sonora, CA) and Minidoka Memorial Hospital (Rupert, ID). 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 Garth Greenwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Garth Greenwell accept?
Health plans from Molina Healthcare, PacificSource Health Plans, Providence Health Plan and Select Health list Garth Greenwell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Garth Greenwell affiliated with any hospitals?
According to CMS data, Garth Greenwell is affiliated with Minidoka Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Garth Greenwell was last updated on January 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.