Stanley R. Klein, M.D.
Vascular Surgery Physician · Torrance, CA
Stanley R. Klein, M.D. is a vascular surgery physician with a practice address in Torrance, California, and NPI 1902869662, issued on Apr 11, 2006. Check the license (California G34332, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stanley R. Klein
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- G34332 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21840 Normandie Ave, Torrance, CA 90502
- Phone
- (310) 222-5189
- Enumerated
- Apr 11, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 782-6786
- Medicaid ID
- 00G343320 CA
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 21840 Normandie Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stanley R. Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average vascular surgery physician in 2024
94 Medicare Part D claims for 20 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Vitamin D211 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.
Industry payments in 2024: $14.47
1 payment: food and beverage; the largest payer was Shionogi Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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.
Stanley R. Klein among 580 vascular surgery physician records in California
Stanley R. Klein, M.D. is one of 580 vascular surgery physician records with a practice address in California. 84% 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, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Torrance → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Mark Archie, MDTorrance, CA 905021033553383
- Frederic Bongard, MDTorrance, CA 905021902886393
- Christian De Virgilio, M.D.Torrance, CA 905021609846955
- Jesse Han, MDTorrance, CA 905021487355319
- Timothy Ryan, M.D.Torrance, CA 905021922205459
- Arun Mittal, M.D.Torrance, CA 905031750579587
- Riad Adoumie, M.D.Torrance, CA 905051467465930
- Amir Kaviani, M.D.Torrance, CA 905051144276262
Common questions
What is Stanley R. Klein, M.D.'s NPI number?
Stanley R. Klein, M.D.'s National Provider Identifier (NPI) is 1902869662, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stanley R. Klein, M.D. located?
The NPPES record lists a practice address at 21840 Normandie Ave, Torrance, CA, 90502. Phone: (310) 222-5189. Providers update this record themselves, so call before visiting.
How can I verify Stanley R. Klein, M.D.'s license?
NPPES lists California license number G34332, 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 R. Klein, M.D. prescribe under Medicare Part D?
In 2024, Stanley R. Klein, M.D. had 94 Medicare Part D claims for 20 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.