Steven C. Plaxe, M.D.
Gynecologic Oncology Physician · San Diego, CA
Steven C. Plaxe, M.D. is a gynecologic oncology physician with a practice address in San Diego, California, and NPI 1942356795, issued on Jan 26, 2007. Check the license (California G64817, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven C. Plaxe
- Credential
- M.D.
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- G64817 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 West Arbor Drive, San Diego, CA 92103
- Phone
- (858) 657-8745
- Enumerated
- Jan 26, 2007
- Record last updated
- May 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (858) 657-8666
- Medicaid ID
- 00G648170 CA
- Medicare enrollment
- Enrolled (PECOS I20050322000682); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1981
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 176 in California → Look up another NPI →
Also registered at 200 West Arbor Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven C. Plaxe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G64817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
14 Medicare Part D claims, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.
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): 84.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26.96
1 payment: food and beverage; the largest payer was Tempus AI, Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
- Regents OF The University OF CaliforniaSan Diego, CA
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.
Steven C. Plaxe among 176 gynecologic oncology physician records in California
Steven C. Plaxe, M.D. is one of 176 gynecologic oncology physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1981 · median 2004 among the 131 with a school on file
- Record last updated2011 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in California
There are 176 gynecologic oncology physician records in California.
All 176 in California → Every provider in San Diego → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Pratibha Binder, M.D.San Diego, CA 921031174758031
- Lindsey Charo, M.D.San Diego, CA 921081316202849
- Bridgette Duggan, MDSan Diego, CA 921081841212081
- Michael McHale, MDLa Jolla, CA 920931508828179
- Cheryl Saenz, M.DLa Jolla, CA 920931396818134
- Terry Harrison, M.D.San Diego, CA 921201639141013
- Paul Koonings, MDSan Diego, CA 921201689733214
- Melissa Douglass, M.D.San Diego, CA 921231386079481
Common questions
What is Steven C. Plaxe, M.D.'s NPI number?
Steven C. Plaxe, M.D.'s National Provider Identifier (NPI) is 1942356795, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven C. Plaxe, M.D. located?
The NPPES record lists a practice address at 200 West Arbor Drive, San Diego, CA, 92103. Phone: (858) 657-8745. Providers update this record themselves, so call before visiting.
How can I verify Steven C. Plaxe, M.D.'s license?
NPPES lists California license number G64817, 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 Steven C. Plaxe, M.D. prescribe under Medicare Part D?
In 2024, Steven C. Plaxe, M.D. had 14 Medicare Part D claims; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is Steven C. Plaxe, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.3 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.