DR. DONALD L HAMBY D.O.
NPI 1750726485
Physical Medicine & Rehabilitation in Grand Terrace, CA
About Dr. Donald L Hamby D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONALD L HAMBY D.O. (NPI 1750726485) is an individual physical medicine & rehabilitation provider in Grand Terrace, California, licensed in California (20A14027) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of Lincoln Memorial University Medical Department (2013).
NPPES Registry Identity
Specialties & Licenses
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. Donald L Hamby 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 Donald Hamby reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Terrace, CA 92313
- Reassigned Medicare billing, Texas enrollment
- 101 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 109 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.
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.
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
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 Donald Hamby's NPI number?
The NPI number for Donald Hamby is 1750726485. It was assigned to this individual provider in the NPPES registry on May 8, 2013.
Where is Donald Hamby located?
Donald Hamby practices at 11980 Mount Vernon Ave, Grand Terrace, CA 92313. The listed phone number is (909) 864-1097.
What is Donald Hamby's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Donald Hamby enrolled in Medicare?
Yes. Donald Hamby 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 Donald Hamby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Hamby reassigns Medicare benefits to 2 organizations: Riverside-San Bernardino County Indian Health, Inc. (Grand Terrace, CA) and Algos Inc., A Medical Corporation (Colton, 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 Donald Hamby'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 Donald Hamby was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.