Catherine Marks, M.D
Family Medicine Physician · Anaheim, CA
Catherine Marks, M.D is a family medicine physician with a practice address in Anaheim, California, and NPI 1801214788, issued on Mar 28, 2014. Check the license (California 129438, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Marks
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 129438 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 West Ball RD, Anaheim, CA 92804
- Phone
- (714) 236-9663
- Enumerated
- Mar 28, 2014
- Record last updated
- Aug 7, 2026
- Fax
- (714) 236-9699
- Medicaid ID
- 1710772991 CA
- Medicare enrollment
- Enrolled (PECOS I20150325001555); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3400 West Ball RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Assanassios Moussa Faltas, M.DFamily Medicine Physician1366833899
Verify Catherine Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 129438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average family medicine physician in 2024
4,980 Medicare Part D claims for 326 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium417 claims
- Lisinopril213 claims
- Levothyroxine Sodium184 claims
- Omeprazole171 claims
- Gabapentin158 claims
- Losartan Potassium153 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: $1,991.89
113 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Santa Marya Family Medicine Clinic IncAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Marks among 17,133 family medicine physician records in California
Catherine Marks, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
234 family medicine physician records list a practice address in Anaheim
They are 234 of the 9,018 NPPES records with a practice address in Anaheim, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Anaheim → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven ChaoAnaheim, CA 928041013159524
- Edmond Chu, MDAnaheim, CA 928041013975838
- Chinh Dinh, M.D.Anaheim, CA 928041639244049
- Sheldon Fayner, MDAnaheim, CA 928041770758310
- Jose Guerra, D.O.Anaheim, CA 928041346396645
- Thomas Guiltinan, MDAnaheim, CA 928041942291919
- Yong Kim, M.D.Anaheim, CA 928041952361529
- Sam Lee, M.D.Anaheim, CA 928041053374652
Common questions
What is Catherine Marks, M.D's NPI number?
Catherine Marks, M.D's National Provider Identifier (NPI) is 1801214788, issued on Mar 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Marks, M.D located?
The NPPES record lists a practice address at 3400 West Ball RD, Anaheim, CA, 92804. Phone: (714) 236-9663. Providers update this record themselves, so call before visiting.
How can I verify Catherine Marks, M.D's license?
NPPES lists California license number 129438, 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 Marks, M.D prescribe under Medicare Part D?
In 2024, Catherine Marks, M.D had 4,980 Medicare Part D claims for 326 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.