WILLIAM MATTHEW MILLER SLP
NPI 1972002210
Speech-Language Pathologist in San Diego, CA
About William Matthew Miller Slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MATTHEW MILLER SLP (NPI 1972002210) is an individual speech-language pathologist provider in San Diego, California, licensed in California (35150) and active in the NPI registry since February 2018.
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 (PECOS)
William Matthew Miller Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Miller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92113
- Reassigned Medicare billing, California enrollment
- 1,100 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.
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 92113
SAN DIEGO, CA 92113
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 Miller's NPI number?
The NPI number for William Miller is 1972002210. It was assigned to this individual provider in the NPPES registry on February 1, 2018.
Where is William Miller located?
William Miller practices at 1809 National Ave, San Diego, CA 92113. The listed phone number is (619) 515-2300.
What is William Miller's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is William Miller enrolled in Medicare?
Yes. William Miller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Miller reassigns Medicare benefits to Family Health Centers Of San Diego, Inc. (San Diego, 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 Miller'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 Miller was last updated on June 20, 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 Matthew Miller, SLP · NPI 1972002210
Speech-Language Pathologist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since February 1, 2018.
## Identity
- **NPI:** 1972002210 (Entity type: Individual)
- **Enumerated:** February 1, 2018
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 35150 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1809 NATIONAL AVE, San Diego, CA 92113-2113
- **Phone:** (619) 515-2300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Family Health Centers Of San Diego, Inc. (NPI 1326231713, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1972002210) · Data from the CMS NPPES public registry.