DR. JOHN ALEXANDER FORDHAM DO
NPI 1225464993
Psychiatry & Neurology - Psychiatry in Napa, CA
About Dr. John Alexander Fordham Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ALEXANDER FORDHAM DO (NPI 1225464993) is an individual psychiatry provider in Napa, California, licensed in California (20A14683) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS and is a graduate of Other (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. John Alexander Fordham Do 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 John Fordham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Martinez, CA 94553
- Reassigned Medicare billing, California enrollment
- 530 clinicians in this Medicare group
Eureka, CA 95501
- Reassigned Medicare billing, California enrollment
- 65 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94559 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAPA, CA 94559
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 John Fordham's NPI number?
The NPI number for John Fordham is 1225464993. It was assigned to this individual provider in the NPPES registry on September 25, 2013.
Where is John Fordham located?
John Fordham practices at 1580 1st St, Napa, CA 94559. The listed phone number is (707) 258-8757.
What is John Fordham's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is John Fordham enrolled in Medicare?
Yes. John Fordham 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 John Fordham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Fordham reassigns Medicare benefits to 2 organizations: Contra Costa County (Martinez, CA) and County Of Humboldt (Eureka, 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 John Fordham'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 John Fordham was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. John Alexander Fordham, DO · NPI 1225464993
Psychiatry physician in Napa, California. Individual provider, active in the CMS NPPES registry since September 25, 2013.
## Identity
- **NPI:** 1225464993 (Entity type: Individual)
- **Enumerated:** September 25, 2013
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 20A14683 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1580 1ST ST, Napa, CA 94559-2841
- **Phone:** (707) 258-8757 · **Fax:** (707) 253-0457
## 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): Contra Costa County (NPI 1386719086, Martinez, CA); County Of Humboldt (NPI 1033300306, Eureka, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1225464993) · Data from the CMS NPPES public registry.