Stanley Frochtzwajg, M.D.
Family Medicine Physician · Ventura, CA
Stanley Frochtzwajg, M.D. is a family medicine physician with a practice address in Ventura, California, and NPI 1235215310, issued on Oct 31, 2006. Check the license (California A33339, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stanley Frochtzwajg
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A33339 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2629 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 641-1780
- Enumerated
- Oct 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2629 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie Glenn, NP-CFamily Nurse Practitioner1235459124
- Andrew StuhrPodiatrist1093486748
- Frank Stuhr, DPMFoot & Ankle Surgery Podiatrist1396774915
Verify Stanley Frochtzwajg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,321 Medicare Part D claims for 167 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium200 claims
- Losartan Potassium106 claims
- Lisinopril102 claims
- Hydrochlorothiazide83 claims
- Progesterone81 claims
- Tamsulosin Hcl77 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Stanley Frochtzwajg among 17,133 family medicine physician records in California
Stanley Frochtzwajg, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
234 family medicine physician records list a practice address in Ventura
They are 234 of the 4,435 NPPES records with a practice address in Ventura, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Ventura → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Charles Adams, M.D.Ventura, CA 930031811925225
- Veronica Butler, M.D.Ventura, CA 930031063472736
- Eric Chun, M.D.Ventura, CA 930031699702381
- Michelle Daucett, D.O.Ventura, CA 930031003873035
- Derrick Dcosta, M.D.Ventura, CA 930031487699005
- James Hermann, M.D.Ventura, CA 930031861442899
- Theodore Hole, M.D.Ventura, CA 930031104873611
- Andrew Kerr, M.D.Ventura, CA 930031487695078
Common questions
What is Stanley Frochtzwajg, M.D.'s NPI number?
Stanley Frochtzwajg, M.D.'s National Provider Identifier (NPI) is 1235215310, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stanley Frochtzwajg, M.D. located?
The NPPES record lists a practice address at 2629 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 641-1780. Providers update this record themselves, so call before visiting.
How can I verify Stanley Frochtzwajg, M.D.'s license?
NPPES lists California license number A33339, 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.
How much does Stanley Frochtzwajg, M.D. prescribe under Medicare Part D?
In 2024, Stanley Frochtzwajg, M.D. had 2,321 Medicare Part D claims for 167 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.