NPPES file of Aug 9, 2026

Catherine A. Buerchner, M.D.

Obstetrics & Gynecology Physician · San Diego, CA

Catherine A. Buerchner, M.D. is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1962465732, issued on Apr 11, 2006. Check the license (California A61658, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962465732
Name
Catherine A. Buerchner
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A61658 CA
Self-reported in NPPES; status is on the state search
Practice location
3811 Valley Centre Dr, San Diego, CA 92130
Phone
(858) 764-3280
Enumerated
Apr 11, 2006
Record last updated
Mar 12, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00A616580 CA
Medicare enrollment
Enrolled (PECOS I20100513000628); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1995
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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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Also registered at 3811 Valley Centre Dr

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

  1. Munira AbdiNurse Practitioner1124418793
  2. Salman Alsaad, MDProcedural Dermatology Physician1205090826
  3. Jeffrey Applestein, M.D.Internal Medicine Physician1427011212
  4. Dayna Arnstein Temby, M. D.Internal Medicine Physician1497718324
  5. Lavannya Atri, MDInternal Medicine Physician1285320754
  6. Gregory Babikian, M.D.Internal Medicine Physician1497719892

Verify Catherine A. Buerchner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A61658    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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27% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

121 Medicare Part D claims for 30 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Catherine Buerchner121
  2. Specialty average165

Most prescribed

  1. Progesterone28 claims
  2. Estradiol18 claims
  3. Estradiol (Twice Weekly)15 claims
  4. Vivelle-Dot12 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.

Industry payments in 2024: $781.09

27 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Buerchner$781.09
  2. Specialty average$1,030.61

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. Scripps HealthLa Jolla, CA

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

Catherine A. Buerchner among 5,088 obstetrics & gynecology physician records in California

Catherine A. Buerchner, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1995 · median 2004 among the 2,700 with a school on file
  • Record last updated2020 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

All 5,088 in California → Every provider in San Diego → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Dana Chortkoff, M.D.San Diego, CA 921301891899068
  2. Jonathan Dunn, M.D.San Diego, CA 921301538123732
  3. Vivian Ellis, M.D.San Diego, CA 921301275638876
  4. Gwendolyn Henao, MDSan Diego, CA 921301669544110
  5. Kiat Lim, MDSan Diego, CA 921301518049774
  6. Pavan MannSan Diego, CA 921301578191045
  7. Catharine Marshall, MDSan Diego, CA 921301891877049
  8. Meredith McMullen, M.D.San Diego, CA 921301104050475

Common questions

What is Catherine A. Buerchner, M.D.'s NPI number?

Catherine A. Buerchner, M.D.'s National Provider Identifier (NPI) is 1962465732, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine A. Buerchner, M.D. located?

The NPPES record lists a practice address at 3811 Valley Centre Dr, San Diego, CA, 92130. Phone: (858) 764-3280. Providers update this record themselves, so call before visiting.

How can I verify Catherine A. Buerchner, M.D.'s license?

NPPES lists California license number A61658, 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 Catherine A. Buerchner, M.D. prescribe under Medicare Part D?

In 2024, Catherine A. Buerchner, M.D. had 121 Medicare Part D claims for 30 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

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.