WILLIAM BLOXHAM M.A.
NPI 1245630615
Psychologist - Clinical in Concord, CA
About William Bloxham M.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BLOXHAM M.A. (NPI 1245630615) is an individual clinical provider in Concord, California, licensed in California (94026494) and active in the NPI registry since September 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Richmond, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 3
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
William Bloxham M.a. 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 Reassignment
Medicare enrollment records show William Bloxham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, CA 94520
- 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.
Areas of Expertise CMS Part B claims 3
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 94520 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, CA 94520
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 William Bloxham's NPI number?
The NPI number for William Bloxham is 1245630615. It was assigned to this individual provider in the NPPES registry on September 3, 2014.
Where is William Bloxham located?
William Bloxham practices at 1333 Willow Pass Rd Ste 203, Concord, CA 94520. The listed phone number is (925) 825-1793.
What is William Bloxham's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is William Bloxham enrolled in Medicare?
Yes. William Bloxham 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 organization bills Medicare for William Bloxham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Bloxham reassigns Medicare benefits to Portia Bell Hume Behavioral Health And Training Center (Concord, CA). The 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 William Bloxham'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 William Bloxham was last updated on March 27, 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.
# William Bloxham, M.A. · NPI 1245630615
Clinical provider in Concord, California. Individual provider, active in the CMS NPPES registry since September 3, 2014.
## Identity
- **NPI:** 1245630615 (Entity type: Individual)
- **Enumerated:** September 3, 2014
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 94026494 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1333 WILLOW PASS RD STE 203, Concord, CA 94520-7931
- **Phone:** (925) 825-1793
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Portia Bell Hume Behavioral Health And Training Center (NPI 1760489439, Concord, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1245630615) · Data from the CMS NPPES public registry.