Carmen Castillo, MD
NPI 1275275851 · Family Medicine Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carmen Castillo, MD is a Family Medicine Physician provider in Modesto, CA (NPI 1275275851).
Provider details
- NPI number
- 1275275851
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A199037 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 36 | 17 |
| Alendronate Sodium | 27 | — |
| Celecoxib | 24 | — |
| Levothyroxine Sodium | 21 | — |
| Amlodipine Besylate | 18 | — |
| Empagliflozinbrand: Jardiance | 18 | — |
| Prednisone | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$257 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-12
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Carmen Castillo's NPI number?
- Carmen Castillo's National Provider Identifier (NPI) is 1275275851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carmen Castillo's specialty?
- Carmen Castillo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carmen Castillo located?
- Carmen Castillo's practice location on file with NPPES is 1400 Florida Ave Ste 102, Modesto, CA 95350-4446.
- What is Carmen Castillo's phone number?
- The practice phone number listed in the NPPES registry for Carmen Castillo is (209) 573-6147.
- Does Carmen Castillo accept Medicare?
- Carmen Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carmen Castillo's NPI active?
- Yes — Carmen Castillo's NPI (1275275851) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.