NPPES file of Aug 9, 2026

Karen Elaine Adams, MD

Gynecology Physician · Stanford, CA

Karen Elaine Adams, MD is a gynecology physician with a practice address in Stanford, California, and NPI 1922016484, issued on Aug 3, 2006. Check the license (California G186905, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922016484
Name
Karen Elaine Adams
Credential
MD
Primary taxonomy
Gynecology Physician 207VG0400X
License numbers
G186905 CA
MD16031 OR
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Aug 3, 2006
Record last updated
Apr 19, 2024
Medicaid ID
017652 OR
Medicare enrollment
Enrolled (PECOS I20230703002052); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Karen Elaine Adams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G186905
    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
Open the California license search

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18% fewer Medicare Part D claims than the average gynecology physician in 2024

246 Medicare Part D claims for 70 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Karen Adams246
  2. Specialty average299

Most prescribed

  1. Estradiol (Twice Weekly)59 claims
  2. Estradiol54 claims
  3. Progesterone50 claims
  4. Gabapentin16 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gynecology Physician providers in California

There are 369 gynecology physician records in California.

Other gynecology physician records in California

  1. Keevan Abramson, MDFort Bragg, CA1851473177
  2. August Accetta, M.D.Bakersfield, CA1265506893
  3. Robert Adams, MDMonterey, CA1316017601
  4. Christina Adberg, MDLos Angeles, CA1104837947
  5. Naphthali Alinsod, M.D.Laguna Beach, CA1326055096
  6. Parichehr Allameh, M.D.Sylmar, CA1053434563
  7. Margarita Alvarado, M.D.San Francisco, CA1417974858
  8. Michal Amir, M.D.Beverly Hills, CA1982790598
  9. Malaika Amneus, M.D.Sylmar, CA1538379706
  10. Anna Anderson, MDMountain View, CA1457577801

Common questions

What is Karen Elaine Adams, MD's NPI number?

Karen Elaine Adams, MD's National Provider Identifier (NPI) is 1922016484, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Elaine Adams, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Karen Elaine Adams, MD's license?

NPPES lists California license number G186905, 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 Karen Elaine Adams, MD prescribe under Medicare Part D?

In 2024, Karen Elaine Adams, MD had 246 Medicare Part D claims for 70 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.

What is Karen Elaine Adams, MD's MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.