WILLIAM A. LEWIS HTL(ASCP) – NPI #1669352076
Specialist/Technologist, Pathology

WILLIAM LEWIS is a technologist located in SAN FRANCISCO, CA. NPPES has assigned the NPI number 1669352076 to WILLIAM LEWIS on September 05, 2025. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 246QH0600X from the Health Care Provider Taxonomy code set, which is classified as Specialist/Technologist, Pathology, specializing in Histology

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WILLIAM LEWIS below.

NPI Profile for
WILLIAM A. LEWIS

NPI Number
1669352076
Enumeration Date

(about 9 months ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM A. LEWIS
Credentials
HTL(ASCP)
Primary location
1001 POTRERO AVE
BUILDING 3 ROOM 113
SAN FRANCISCO, CA 94110
Phone: (628) 206-4953 Fax:
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Sep 05, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
246QH0600X
- Specialist/Technologist, Pathology / Histology (Primary)		 HTL25369473ASCP

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.