NPPES file of Aug 9, 2026

Wendy Marilyn Buchi, MD

Gynecology Physician · San Diego, CA

Wendy Marilyn Buchi, MD is a gynecology physician with a practice address in San Diego, California, and NPI 1356389688, issued on Jun 2, 2006. Check the license (California G70018, 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
1356389688
Name
Wendy Marilyn Buchi
Credential
MD
Primary taxonomy
Gynecology Physician 207VG0400X
License number
G70018 CA
Self-reported in NPPES; status is on the state search
Practice location
9339 Genesee Ave, San Diego, CA 92121
Phone
(858) 455-7520
Enumerated
Jun 2, 2006
Record last updated
Feb 6, 2023
Fax
(858) 554-1312
Medicare enrollment
Enrolled (PECOS I20101014000634); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1989
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 9339 Genesee Ave

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

  1. Kim Bui, MDObstetrics & Gynecology Physician1235244252
  2. Kimberly Butterwick, M.D.Procedural Dermatology Physician1760522080
  3. Nancy Canty, N.P.Nurse Practitioner1285608331
  4. Sharon Dreeben, M.D.Orthopaedic Foot and Ankle Surgery Physician1457387250
  5. Leysin Fletcher, PA-CPhysician Assistant1881062438
  6. Valerie Gafori, M.D.Obstetrics & Gynecology Physician1003853029

Verify Wendy Marilyn Buchi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G70018
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.9 times the Medicare Part D claims of the average gynecology physician in 2024

1,170 Medicare Part D claims for 315 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Wendy Buchi1,170
  2. Specialty average299

Most prescribed

  1. Estradiol220 claims
  2. Progesterone142 claims
  3. Estradiol (Twice Weekly)122 claims
  4. Yuvafem74 claims
  5. Dotti60 claims
  6. Estring50 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 MIPS final score for 2023 (Medicare payment program): 63.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score38.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%83.6
  4. Improvement activities20 of 40 points · 15%50.0

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

Industry payments in 2024: $913.87

43 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,398 providers of this specialty with any payment received $2,469.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wendy Buchi$913.87
  2. Specialty average$2,469.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Igo Medical Group AmcSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Wendy Marilyn Buchi among 369 gynecology physician records in California

Wendy Marilyn Buchi, MD is one of 369 gynecology physician records with a practice address in California. 60% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 40% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1989 · median 1995 among the 141 with a school on file
  • Record last updated2023 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in California

There are 369 gynecology physician records in California.

The 8 gynecology physician records with the nearest ZIP codes

  1. Keerti Gurushanthaiah, MDSan Diego, CA 921211043257066
  2. Jon Lischke, MDSan Diego, CA 921211447298773
  3. Parvin Mani, M.D.San Diego, CA 921201518925015
  4. Carolle Jean-Murat, MDSan Diego, CA 921151336474568
  5. Malka Benoni, MDSan Diego, CA 921091306891171
  6. Mary Jennings, MDSan Diego, CA 921091427120658
  7. William Koltun, MDSan Diego, CA 921081124010483
  8. Martin Roitman, D.O.San Diego, CA 921081093931537

Common questions

What is Wendy Marilyn Buchi, MD's NPI number?

Wendy Marilyn Buchi, MD's National Provider Identifier (NPI) is 1356389688, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy Marilyn Buchi, MD located?

The NPPES record lists a practice address at 9339 Genesee Ave, San Diego, CA, 92121. Phone: (858) 455-7520. Providers update this record themselves, so call before visiting.

How can I verify Wendy Marilyn Buchi, MD's license?

NPPES lists California license number G70018, 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 Wendy Marilyn Buchi, MD prescribe under Medicare Part D?

In 2024, Wendy Marilyn Buchi, MD had 1,170 Medicare Part D claims for 315 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.

What is Wendy Marilyn Buchi, MD's MIPS final score?

The 2023 MIPS final score is 63.8 of 100. 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.