DR. GRAHAM DAVIS MD
NPI 1114423811
Surgery in San Diego, CA
About Dr. Graham Davis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRAHAM DAVIS MD (NPI 1114423811) is an individual surgery provider in San Diego, California, licensed in California (A187421) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Drexel University College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Graham Davis Md 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
4Medicare enrollment records show Graham Davis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Banos, CA 93635
- Reassigned Medicare billing, California enrollment
- 91 clinicians in this Medicare group
Groveland, CA 95321
- Reassigned Medicare billing, California enrollment
- 172 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 266 clinicians in this Medicare group
Willits, CA 95490
- Reassigned Medicare billing, California enrollment
- 134 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 92134 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.
SAN DIEGO, CA 92134
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 Graham Davis's NPI number?
The NPI number for Graham Davis is 1114423811. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Graham Davis located?
Graham Davis practices at 34800 Bob Wilson Dr, San Diego, CA 92134. The listed phone number is (610) 246-8040.
What is Graham Davis's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Graham Davis enrolled in Medicare?
Yes. Graham Davis 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 Graham Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Graham Davis reassigns Medicare benefits to 4 organizations: Surgical Affiliates Of California (Los Banos, CA), Sonora Community Hospital (Groveland, CA), Acute Care Surgery Medical Group, Inc. (Sacramento, CA) and Willits Hospital Inc. (Willits, 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 Graham Davis'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 Graham Davis was last updated on July 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Graham Davis, MD · NPI 1114423811
Surgery physician in San Diego, California. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1114423811 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A187421 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 34800 BOB WILSON DR, San Diego, CA 92134-3475
- **Phone:** (610) 246-8040
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Surgical Affiliates Of California (NPI 1932440781, Los Banos, CA); Sonora Community Hospital (NPI 1356332274, Groveland, CA); Acute Care Surgery Medical Group, Inc. (NPI 1700069549, Sacramento, CA); Willits Hospital Inc. (NPI 1356339543, Willits, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1114423811) · Data from the CMS NPPES public registry.