NPPES file of Aug 9, 2026

Seth A. Kogan, M.D.

Specialist · Long Beach, CA

Seth A. Kogan, M.D. is a specialist with a practice address in Long Beach, California, and NPI 1780652040, issued on Mar 10, 2006. Check the license (California G49334, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780652040
Name
Seth A. Kogan
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G49334 CA
Self-reported in NPPES; status is on the state search
Practice location
790 E Willow St, Long Beach, CA 90806
Phone
(562) 595-4014
Enumerated
Mar 10, 2006
Record last updated
Jul 13, 2026
Fax
(562) 595-7262
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 790 E Willow St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Monica Leff, MDObstetrics & Gynecology Physician1962476028
  2. Phillip Ta, M.D.Physical Medicine & Rehabilitation Physician1477932259
  3. Yuliya Turiy, MDPediatric Cardiology Physician1306088018

Verify Seth A. Kogan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G49334
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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97% fewer Medicare Part D claims than the average specialist in 2024

36 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Seth Kogan36
  2. Specialty average1,380

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.

Seth A. Kogan among 5,749 specialist records in California

Seth A. Kogan, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Anthony Ciarolla, M.D.Long Beach, CA 908061922068881
  2. Cynthia Forsthoff, M.D.Long Beach, CA 908061841250719
  3. Douglas Garland, M.D.Long Beach, CA 908061508845264
  4. Douglas Jackson, M.D.Long Beach, CA 908061386624484
  5. Peter Kurzweil, M.D.Long Beach, CA 908061700865466
  6. William Lyons, M.D.Long Beach, CA 908061639139595
  7. David Morrison, M.D.Long Beach, CA 908061326027947
  8. Keith Mullins, MDLong Beach, CA 908061952367310

Common questions

What is Seth A. Kogan, M.D.'s NPI number?

Seth A. Kogan, M.D.'s National Provider Identifier (NPI) is 1780652040, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Seth A. Kogan, M.D. located?

The NPPES record lists a practice address at 790 E Willow St, Long Beach, CA, 90806. Phone: (562) 595-4014. Providers update this record themselves, so call before visiting.

How can I verify Seth A. Kogan, M.D.'s license?

NPPES lists California license number G49334, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Seth A. Kogan, M.D. prescribe under Medicare Part D?

In 2024, Seth A. Kogan, M.D. had 36 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.