Betsy Weisz, M.D.
Pediatrics Physician · Thousand Oaks, CA
Betsy Weisz, M.D. is a pediatrics physician with a practice address in Thousand Oaks, California, and NPI 1508838749, issued on Feb 2, 2006. Check the license (California G53744, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Betsy Weisz
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G53744 CA
Self-reported in NPPES; status is on the state search - Practice location
- 430 Avenida DE Los Arboles, Thousand Oaks, CA 91360
- Phone
- (805) 493-1964
- Enumerated
- Feb 2, 2006
- Record last updated
- Mar 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (805) 492-0614
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 430 Avenida DE Los Arboles
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meredith Glickman, M.D.Pediatrics Physician1851363097
- Lawrence Spinner, M.D.Pediatric Adolescent Medicine Physician1093075129
Verify Betsy Weisz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $266.49
5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Betsy Weisz among 9,272 pediatrics physician records in California
Betsy Weisz, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Thousand Oaks → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Tammy Chi, M.D.Thousand Oaks, CA 913601003945585
- Meredith Glickman, M.D.Thousand Oaks, CA 913601851363097
- Keyi Jiang, MDThousand Oaks, CA 913601841500527
- Nicholas KhanThousand Oaks, CA 913601881259075
- Tanya Collins, M.D.Thousand Oaks, CA 913611326072588
- Heather Cornett, MDWestlake Village, CA 913611437242153
- Howard Goldstine, MDWestlake Village, CA 913611629161328
- William Greene, MDWestlake Village, CA 913611760575484
Common questions
What is Betsy Weisz, M.D.'s NPI number?
Betsy Weisz, M.D.'s National Provider Identifier (NPI) is 1508838749, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Betsy Weisz, M.D. located?
The NPPES record lists a practice address at 430 Avenida DE Los Arboles, Thousand Oaks, CA, 91360. Phone: (805) 493-1964. Providers update this record themselves, so call before visiting.
How can I verify Betsy Weisz, M.D.'s license?
NPPES lists California license number G53744, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.