DR. WILLIAM LEONARD EBBELING M.D.
NPI 1205808284
Allergy & Immunology in San Diego, CA
About Dr. William Leonard Ebbeling M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM LEONARD EBBELING M.D. (NPI 1205808284) is an individual allergy & immunology provider in San Diego, California, licensed in California (C50225) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Leonard Ebbeling M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Ebbeling reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Visalia, CA 93277
- Reassigned Medicare billing, California enrollment
- 41 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 92123
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 Ebbeling's NPI number?
The NPI number for William Ebbeling is 1205808284. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is William Ebbeling located?
William Ebbeling practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-5961.
What is William Ebbeling's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is William Ebbeling enrolled in Medicare?
Yes. William Ebbeling is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Ebbeling's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Ebbeling reassigns Medicare benefits to Baz Allergy, Asthma & Sinus Center, Inc. (Visalia, 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 Ebbeling'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 Ebbeling was last updated on April 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. William Leonard Ebbeling, M.D. · NPI 1205808284
Allergy & Immunology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since February 3, 2006.
## Identity
- **NPI:** 1205808284 (Entity type: Individual)
- **Enumerated:** February 3, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** C50225 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 CHILDRENS WAY, San Diego, CA 92123-4232
- **Phone:** (858) 966-5961
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Baz Allergy, Asthma & Sinus Center, Inc. (NPI 1215956396, Visalia, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1205808284) · Data from the CMS NPPES public registry.