Carmen Castillo, MD
Family Medicine Physician · Modesto, CA
Carmen Castillo, MD is a family medicine physician with a practice address in Modesto, California, and NPI 1275275851, issued on Apr 12, 2022. Check the license (California A199037, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carmen Castillo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A199037 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Florida Ave Ste 102, Modesto, CA 95350
- Phone
- (209) 573-6147
- Enumerated
- Apr 12, 2022
- Record last updated
- Jan 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20250720000143); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1400 Florida Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carmen Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A199037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
503 Medicare Part D claims for 84 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium36 claims
- Alendronate Sodium27 claims
- Celecoxib24 claims
- Levothyroxine Sodium21 claims
- Amlodipine Besylate18 claims
- Jardiance18 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: $257.29
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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
- Hayes B Gladstone MD PCManteca, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carmen Castillo among 17,133 family medicine physician records in California
Carmen Castillo, MD 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · 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).
173 family medicine physician records list a practice address in Modesto
They are 173 of the 9,262 NPPES records with a practice address in Modesto, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Modesto → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eunice Baluyot, MDModesto, CA 953501306828868
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- Robert Chin, M.D.Modesto, CA 953501508812314
- Juan Del Valle, MDModesto, CA 953501740262229
- Robert Forester, M.D.Modesto, CA 953501619904273
- Otashe Golden, M.D.Modesto, CA 953501508891797
- Richard Heck, M.D.Modesto, CA 953501821034000
- Lisa Hunt, D.O.Modesto, CA 953501467408674
Common questions
What is Carmen Castillo, MD's NPI number?
Carmen Castillo, MD's National Provider Identifier (NPI) is 1275275851, issued on Apr 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Carmen Castillo, MD located?
The NPPES record lists a practice address at 1400 Florida Ave Ste 102, Modesto, CA, 95350. Phone: (209) 573-6147. Providers update this record themselves, so call before visiting.
How can I verify Carmen Castillo, MD's license?
NPPES lists California license number A199037, 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 Carmen Castillo, MD prescribe under Medicare Part D?
In 2024, Carmen Castillo, MD had 503 Medicare Part D claims for 84 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.