Cynthia Maresso, M.D.
Family Medicine Physician · Carlsbad, CA
Cynthia Maresso, M.D. is a family medicine physician with a practice address in Carlsbad, California, and NPI 1912908021, issued on Aug 10, 2005. Check the license (California C55681, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Maresso
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C55681 CA
01060217A IN
Self-reported in NPPES; status is on the state search - Practice location
- 6860 Avenida Encinas, Carlsbad, CA 92011
- Phone
- (760) 931-4371
- Enumerated
- Aug 10, 2005
- Record last updated
- Mar 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20131121000656); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6860 Avenida Encinas
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Clapp, M.D.Pediatrics Physician1306091087
- Dennis George, PHARMDPharmacist1083884662
- Alisa Hideg, M.D.Family Medicine Physician1245365444
- Krystyna Kajdas, R.PH.Pharmacist1114191616
- Christine Kelso, MD, MPHInternal Medicine Physician1821019753
- Tommy Le, D.O.Family Medicine Physician1821090788
Verify Cynthia Maresso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C55681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average family medicine physician in 2024
4,351 Medicare Part D claims for 652 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 236 claims were for opioids.
Most prescribed
- Atorvastatin Calcium294 claims
- Levothyroxine Sodium203 claims
- Losartan Potassium190 claims
- Rosuvastatin Calcium183 claims
- Lisinopril176 claims
- Amlodipine Besylate133 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Maresso among 17,133 family medicine physician records in California
Cynthia Maresso, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
41 family medicine physician records list a practice address in Carlsbad
They are 41 of the 3,411 NPPES records with a practice address in Carlsbad, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Carlsbad → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alisa Hideg, M.D.Carlsbad, CA 920111245365444
- Tommy Le, D.O.Carlsbad, CA 920111821090788
- Anais ShannonCarlsbad, CA 920111447422845
- Juergen Winkler, MDCarlsbad, CA 920111184812067
- Charles Wright, D.O.Carlsbad, CA 920111336215292
- John Awad, M.D.Carlsbad, CA 920091528419173
- Philip Goodman, M.D.Carlsbad, CA 920091154539864
- Robert Knight, DOCarlsbad, CA 920091235699299
Common questions
What is Cynthia Maresso, M.D.'s NPI number?
Cynthia Maresso, M.D.'s National Provider Identifier (NPI) is 1912908021, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Maresso, M.D. located?
The NPPES record lists a practice address at 6860 Avenida Encinas, Carlsbad, CA, 92011. Phone: (760) 931-4371. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Maresso, M.D.'s license?
NPPES lists California license number C55681, 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 Cynthia Maresso, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Maresso, M.D. had 4,351 Medicare Part D claims for 652 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.