WILLIAM PATRICK NEIL M.D.
NPI 1770791964
Psychiatry & Neurology - Neurology in San Diego, CA
About William Patrick Neil M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM PATRICK NEIL M.D. (NPI 1770791964) is an individual neurology provider in San Diego, California, licensed in California (A111200) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2006).
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
William Patrick Neil 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
2Medicare enrollment records show William Neil reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1023425972 (California)
- 13,921 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 92120 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 92120
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 Neil's NPI number?
The NPI number for William Neil is 1770791964. It was assigned to this individual provider in the NPPES registry on May 19, 2007.
Where is William Neil located?
William Neil practices at 4405 Vandever Ave First Floor Dept Of Neurology, San Diego, CA 92120. The listed phone number is (619) 528-7682.
What is William Neil's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is William Neil enrolled in Medicare?
Yes. William Neil 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.
When was this NPI record last updated?
The NPPES record for William Neil was last updated on December 6, 2021. 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.
# William Patrick Neil, M.D. · NPI 1770791964
Neurology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 19, 2007.
## Identity
- **NPI:** 1770791964 (Entity type: Individual)
- **Enumerated:** May 19, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A111200 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4405 VANDEVER AVE, FIRST FLOOR DEPT OF NEUROLOGY, San Diego, CA 92120-3315
- **Phone:** (619) 528-7682
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Albany Medical College Of Union University, class of 2006
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1770791964) · Data from the CMS NPPES public registry.