Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alexander Korchmarev, M.D.

Psychiatry Physician in Sherman Oaks, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821029042

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alexander Korchmarev

Credential M.D.

Sex Male

Practice address Sherman Oaks, CA, 91423

Phone (818) 788-7580

Fax (818) 788-7540

Enumeration date Jul 5, 2006

Last updated in NPPES Jun 6, 2017

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License A66569 (CA) Primary

174400000X Specialist Other Service Providers · License A66569 (CA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alexander Korchmarev?

The National Provider Identifier (NPI) for Alexander Korchmarev is 1821029042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Korchmarev practice?

The practice location on file with NPPES is in Sherman Oaks, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-06-06.