PETER MARSHALL GAINES M.D.
NPI 1912915380
Family Medicine in Modesto, CA
About Peter Marshall Gaines M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER MARSHALL GAINES M.D. (NPI 1912915380) is an individual family medicine provider in Modesto, California, licensed in California (G64747) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).
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 and accepts Medicare assignment
Peter Marshall Gaines M.d. 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 Peter Gaines reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Modesto, CA 95351
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Golden Valley Health Centers
- 440 clinicians in this Medicare group
Modesto, CA 95354
- Reassigned Medicare billing, California enrollment
- 23 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 95351 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 Peter Gaines's NPI number?
The NPI number for Peter Gaines is 1912915380. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is Peter Gaines located?
Peter Gaines practices at 401 Paradise Rd Suite E, Modesto, CA 95351. The listed phone number is (209) 558-4000.
What is Peter Gaines's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Peter Gaines enrolled in Medicare?
Yes. Peter Gaines 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 Peter Gaines's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Gaines reassigns Medicare benefits to 2 organizations: Golden Valley Health Center (Modesto, CA) and Scenic Faculty Medical Group, Inc. (Modesto, 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 Peter Gaines'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 Peter Gaines was last updated on July 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Peter Marshall Gaines, M.D. · NPI 1912915380
Family Medicine physician in Modesto, California. Individual provider, active in the CMS NPPES registry since August 3, 2006.
## Identity
- **NPI:** 1912915380 (Entity type: Individual)
- **Enumerated:** August 3, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** G64747 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 401 PARADISE RD, SUITE E, Modesto, CA 95351-3104
- **Phone:** (209) 558-4000 · **Fax:** (209) 558-5036
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Golden Valley Health Center (NPI 1205683224, Modesto, CA); Scenic Faculty Medical Group, Inc. (NPI 1275559411, Modesto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** July 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1912915380) · Data from the CMS NPPES public registry.