Maria Del Carmen Castillo, FNP
NPI 1922753615 · Family Nurse Practitioner · Mesa, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Del Carmen Castillo, FNP is a Family Nurse Practitioner provider in Mesa, AZ (NPI 1922753615).
Provider details
- NPI number
- 1922753615
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 273453 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 26 |
| Metformin Hcl | 53 | 22 |
| Levothyroxine Sodium | 32 | 12 |
| Lisinopril | 31 | 16 |
| Empagliflozinbrand: Jardiance | 29 | — |
| Hydrochlorothiazide | 26 | — |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$290 across 14 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
- 2022-02-21
- Last updated
- 2022-06-08
- Certified
- 2022-06-08
Frequently asked questions
- What is Maria Del Carmen Castillo's NPI number?
- Maria Del Carmen Castillo's National Provider Identifier (NPI) is 1922753615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Del Carmen Castillo's specialty?
- Maria Del Carmen Castillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Del Carmen Castillo located?
- Maria Del Carmen Castillo's practice location on file with NPPES is 616 E Southern Ave Ste 103, Mesa, AZ 85204-4941.
- What is Maria Del Carmen Castillo's phone number?
- The practice phone number listed in the NPPES registry for Maria Del Carmen Castillo is (602) 569-3999.
- Does Maria Del Carmen Castillo accept Medicare?
- Maria Del 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 Maria Del Carmen Castillo's NPI active?
- Yes — Maria Del Carmen Castillo's NPI (1922753615) is active in the NPPES registry as of the last update on 2022-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.