Catharine Hunt Marshall, MD
Obstetrics & Gynecology Physician · San Diego, CA
Catharine Hunt Marshall, MD is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1891877049, issued on Oct 19, 2006. Check the license (California A64910, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catharine Hunt Marshall
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A64910 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12395 EL Camino Real, San Diego, CA 92130
- Phone
- (858) 481-3391
- Enumerated
- Oct 19, 2006
- Record last updated
- Aug 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (858) 481-9065
- Medicare enrollment
- Enrolled (PECOS I20050923000472); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 12395 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catharine Hunt Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
304 Medicare Part D claims for 74 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol38 claims
- Progesterone32 claims
- Valacyclovir25 claims
- Premarin19 claims
- Yuvafem18 claims
- Estring16 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: $399.89
8 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Catharine Hunt Marshall among 5,088 obstetrics & gynecology physician records in California
Catharine Hunt Marshall, MD 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
- Graduated1996 · median 2004 among the 2,700 with a school on file
- Record last updated2009 · 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
- Catherine Buerchner, M.D.San Diego, CA 921301962465732
- Dana Chortkoff, M.D.San Diego, CA 921301891899068
- Jonathan Dunn, M.D.San Diego, CA 921301538123732
- Vivian Ellis, M.D.San Diego, CA 921301275638876
- Gwendolyn Henao, MDSan Diego, CA 921301669544110
- Kiat Lim, MDSan Diego, CA 921301518049774
- Pavan MannSan Diego, CA 921301578191045
- Meredith McMullen, M.D.San Diego, CA 921301104050475
Common questions
What is Catharine Hunt Marshall, MD's NPI number?
Catharine Hunt Marshall, MD's National Provider Identifier (NPI) is 1891877049, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catharine Hunt Marshall, MD located?
The NPPES record lists a practice address at 12395 EL Camino Real, San Diego, CA, 92130. Phone: (858) 481-3391. Providers update this record themselves, so call before visiting.
How can I verify Catharine Hunt Marshall, MD's license?
NPPES lists California license number A64910, 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 Catharine Hunt Marshall, MD prescribe under Medicare Part D?
In 2024, Catharine Hunt Marshall, MD had 304 Medicare Part D claims for 74 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.
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.