NPPES file of Aug 9, 2026

Jane O'Green Koenig, M.D.

Specialist · Sacramento, CA

Jane O'Green Koenig, M.D. is a specialist with a practice address in Sacramento, California, and NPI 1750305975, issued on Jul 27, 2006. Check the license (California G38095, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1750305975
Name
Jane O'Green Koenig
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G38095 CA
Self-reported in NPPES; status is on the state search
Practice location
77 Cadillac Dr, Sacramento, CA 95825
Phone
(916) 929-8564
Enumerated
Jul 27, 2006
Record last updated
Feb 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(916) 929-4529
Medicaid ID
GR0015060 CA
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 77 Cadillac Dr

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

  1. James Anderson, NPAcute Care Nurse Practitioner1992080915
  2. Bruce Bob, M.D.Obstetrics & Gynecology Physician1841267234
  3. Shareen Char-Fat, D.D.S.General Practice Dentistry1275721771
  4. Emilia Cho, MDPediatrics Physician1134337215
  5. Phillip Cole, M.D.Internal Medicine Physician1386793214
  6. Friz Diaz, DDSGeneral Practice Dentistry1467564625

Verify Jane O'Green Koenig 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 G38095    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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Jane O'Green Koenig among 5,749 specialist records in California

Jane O'Green Koenig, 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 not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2008 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,749 in California → Every provider in Sacramento → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. John Ballenger, M.D.Sacramento, CA 958251598789711
  2. Craig Berris, M.D.Sacramento, CA 958251073538104
  3. Maritza CoronaSacramento, CA 958251447620778
  4. William Cushard, M.D.Sacramento, CA 958251407826571
  5. Khrystyna DytsiakSacramento, CA 958251477433795
  6. Elena Gelfand, M.D.Sacramento, CA 958251154342343
  7. Donald Hause, M.D.Sacramento, CA 958251326253758
  8. Laurene Lenzi, LCSWSacramento, CA 958251902963861

Common questions

What is Jane O'Green Koenig, M.D.'s NPI number?

Jane O'Green Koenig, M.D.'s National Provider Identifier (NPI) is 1750305975, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jane O'Green Koenig, M.D. located?

The NPPES record lists a practice address at 77 Cadillac Dr, Sacramento, CA, 95825. Phone: (916) 929-8564. Providers update this record themselves, so call before visiting.

How can I verify Jane O'Green Koenig, M.D.'s license?

NPPES lists California license number G38095, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.