Irv Klein, M.D.
Anesthesiology Physician · Van Nuys, CA
Irv Klein, M.D. is an anesthesiology physician with a practice address in Van Nuys, California, and NPI 1871569343, issued on Feb 24, 2006. Check the license (California G38255, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irv Klein
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G38255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6815 Noble Ave, Van Nuys, CA 91405
- Phone
- (818) 901-6690
- Enumerated
- Feb 24, 2006
- Record last updated
- Jan 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (818) 715-1722
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 6815 Noble Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Bahk, M.D.Orthopaedic Surgery Physician1518012335
Verify Irv Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G38255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average anesthesiology physician in 2024
12 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Irv Klein among 7,571 anesthesiology physician records in California
Irv Klein, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Van Nuys → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Raana Anwaruddin, M.D.Van Nuys, CA 914051609065754
- Heather Burt, CRNAVan Nuys, CA 914051164461604
- Shahram Farahvash, M.D.Van Nuys, CA 914051003076621
- Gary Feldman, M.D.Van Nuys, CA 914051679634265
- Juan Galido, M.D.Van Nuys, CA 914051144296518
- William Hwang, M.D.Van Nuys, CA 914051467461095
- Shahram Jalali, M.D.Van Nuys, CA 914051740239607
- Tai Lee, M.D.Van Nuys, CA 914051215965322
Common questions
What is Irv Klein, M.D.'s NPI number?
Irv Klein, M.D.'s National Provider Identifier (NPI) is 1871569343, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irv Klein, M.D. located?
The NPPES record lists a practice address at 6815 Noble Ave, Van Nuys, CA, 91405. Phone: (818) 901-6690. Providers update this record themselves, so call before visiting.
How can I verify Irv Klein, M.D.'s license?
NPPES lists California license number G38255, 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 Irv Klein, M.D. prescribe under Medicare Part D?
In 2024, Irv Klein, M.D. had 12 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.