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HAL M. WEITZBUCH, M.D. MEDICAL CORPORATION
NPI 1518812148
Non-Pharmacy Dispensing Site in Thousand Oaks, CA

Active since February 27, 2026CLIA 05D2274291 · Certificate of Compliance
1000 NEWBURY RD STE 180, THOUSAND OAKS, CA 91320(818) 222-7495(818) 222-7498 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Hal M. Weitzbuch, M.d. Medical Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HAL M. WEITZBUCH, M.D. MEDICAL CORPORATION (NPI 1518812148) is a healthcare organization registered as a non-pharmacy dispensing site in Thousand Oaks, California and active in the NPI registry since February 2026. The organization holds a CLIA Certificate of Compliance certificate valid through January 19, 2027 and lists Jan West, Office Manaager, as its authorized official.

NPPES Registry Identity

NPI1518812148
Entity TypeOrganization
Primary Taxonomy332900000X
Legal Business NameHAL M. WEITZBUCH, M.D. MEDICAL CORPORATION
Location Address1000 NEWBURY RD STE 180Thousand Oaks, CA 91320-6440
Mailing Address23501 Park Sorrento Ste 216Calabasas, CA 91302-1383 · (818) 222-7495 · Fax (818) 222-7498
Phone(818) 222-7495
Fax(818) 222-7498
Organization SubpartNo
Authorized OfficialJan WestOffice Manaager · (818) 222-7495
Enumeration DateFebruary 27, 2026
NPPES CertifiedFebruary 27, 2026
✔ NPI 1518812148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNon-Pharmacy Dispensing SiteSuppliers
Taxonomy Code332900000X
Definition
A site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. physician offices, ER, Urgent Care Centers, Rural Health Facilities, etc.)
1000 NEWBURY RD STE 180, Thousand Oaks, CA 91320
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CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 05D2274291

Hal M Weitzbuch, MD Med Corp · Thousand Oaks, CA
Active · expires Jan 19, 2027
CLIA Number05D2274291
Laboratory TypePhysician Office
Certificate Effective DateJanuary 20, 2025
Certificate Expiration DateJanuary 19, 2027
Laboratory DirectorHal M. Weitzbuch
Laboratory Phone(818) 222-7495
Laboratory LocationHal M Weitzbuch, MD Med Corp1000 Newbury Rd, Ste 180, Thousand Oaks, CA 91320
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 05D0684253

Hal M. Weitzbuch, M.D., Medical Corporation · Calabasas, CA
Expired · Jul 31, 2026
CLIA Number05D0684253
Laboratory TypePhysician Office
Certificate Effective DateMarch 17, 2024
Certificate Expiration DateJuly 31, 2026
Laboratory DirectorHal M. Weitzbuch, MD
Laboratory Phone(818) 222-7495
Laboratory LocationHal M. Weitzbuch, M.D., Medical Corporation23501 Park Sorrento, Ste 216, Calabasas, CA 91302
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

C. MICHAEL PURMER MD INC
Internal Medicine (Cardiovascular Disease)
1000 NEWBURY RD STE 180
THOUSAND OAKS, CA 91320
Ventura County (805) 480-2600
MR. DAVID LEVENTER PA
Physician Assistant
1000 NEWBURY RD STE 180
THOUSAND OAKS, CA 91320
Ventura County (818) 446-1994
MICHAEL N. PAPANICOLAOU MD INC
Internal Medicine (Cardiovascular Disease)
1000 NEWBURY RD STE 180
NEWBURY PARK, CA 91320
Ventura County (805) 480-2600

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 Hal M. Weitzbuch, M.D. Medical Corporation's NPI number?

The NPI number for Hal M. Weitzbuch, M.D. Medical Corporation is 1518812148. It was assigned to this organization in the NPPES registry on February 27, 2026.

Where is Hal M. Weitzbuch, M.D. Medical Corporation located?

Hal M. Weitzbuch, M.D. Medical Corporation is located at 1000 Newbury Rd Ste 180, Thousand Oaks, CA 91320. The listed phone number is (818) 222-7495.

What is Hal M. Weitzbuch, M.D. Medical Corporation's specialty?

The primary specialty registered for this NPI is Non-Pharmacy Dispensing Site with taxonomy code 332900000X.

Does Hal M. Weitzbuch, M.D. Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D2274291) is associated with this NPI, valid through January 19, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hal M. Weitzbuch, M.D. Medical Corporation was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.