JESSICA HAMILTON M.D.
NPI 1407116007
Family Medicine in Oakland, CA
About Jessica Hamilton M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JESSICA HAMILTON M.D. (NPI 1407116007) is an individual family medicine provider in Oakland, California, licensed in California (123206) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Reno, and is a graduate of Other (2011).
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
Jessica Hamilton 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
3Medicare enrollment records show Jessica Hamilton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94621
- Reassigned Medicare billing, California and Nevada enrollments
- Also billed through NPI 1477977973 (California), NPI 1497708770 (Nevada)
- 146 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 44 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 94621 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94621
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 Jessica Hamilton's NPI number?
The NPI number for Jessica Hamilton is 1407116007. It was assigned to this individual provider in the NPPES registry on May 17, 2012.
Where is Jessica Hamilton located?
Jessica Hamilton practices at 8480 Enterprise Way, Oakland, CA 94621. The listed phone number is (510) 746-4700.
What is Jessica Hamilton's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jessica Hamilton enrolled in Medicare?
Yes. Jessica Hamilton 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 Jessica Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Hamilton reassigns Medicare benefits to 3 organizations: Planned Parenthood Mar Monte, Inc. (Oakland, CA), Planned Parenthood Shasta Diablo, Inc (San Ramon, CA) and Western Sierra Medical Clinic, Inc. (Grass Valley, 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 Jessica Hamilton'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 Jessica Hamilton was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Jessica Hamilton, M.D. · NPI 1407116007
Family Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since May 17, 2012.
## Identity
- **NPI:** 1407116007 (Entity type: Individual)
- **Enumerated:** May 17, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 123206 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8480 ENTERPRISE WAY, Oakland, CA 94621-1318
- **Phone:** (510) 746-4700
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Planned Parenthood Mar Monte, Inc. (NPI 1225426588, Oakland, CA); Planned Parenthood Shasta Diablo, Inc (NPI 1295893550, San Ramon, CA); Western Sierra Medical Clinic, Inc. (NPI 1063496396, Grass Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407116007) · Data from the CMS NPPES public registry.