NPPES file of Aug 9, 2026

Maria Emilaine De Castro, FNP-C

Family Nurse Practitioner · Mesa, AZ

Maria Emilaine De Castro, FNP-C is a family nurse practitioner with a practice address in Mesa, Arizona, and NPI 1164852802, issued on Nov 16, 2013. Check the license (Arizona AP5293, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164852802
Name
Maria Emilaine De Castro
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP5293 AZ
Self-reported in NPPES; status is on the state search
Practice location
9950 E Guadalupe RD, Mesa, AZ 85212
Phone
(480) 354-3758
Enumerated
Nov 16, 2013
Record last updated
May 17, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140221000311); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9950 E Guadalupe RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Molley Granberry, PHARMDPharmacist1306327754
  2. Dianna Huynh, PHARMDPharmacist1346052784
  3. Mohamad SerhanPharmacist1528586153
  4. Brady Stephens, PHARMDPharmacist1538613427
  5. Daniel ThaiPharmacist1083203228

Verify Maria Emilaine De Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP5293
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

90 Medicare Part D claims for 76 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Maria Emilaine De Castro90
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass28 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.2
  2. Costout of 100 · 30%59.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $21.88

1 payment: food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Emilaine De Castro$21.88
  2. Specialty average$650.95

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

  1. Minuteclinic LLCTempe, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Emilaine De Castro among 5,933 family nurse practitioner records in Arizona

Maria Emilaine De Castro, FNP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 23% of them.

  • NPI issued2013 · 23% of these records are older, 73% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2019 among the 3,510 with a school on file
  • Record last updated2016 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

391 family nurse practitioner records list a practice address in Mesa

They are 391 of the 9,151 NPPES records with a practice address in Mesa, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Elena CarrettaMesa, AZ 852121326412388
  2. Barbara Dupaul, FNPMesa, AZ 852121083693865
  3. Michelle Gomez, FNPMesa, AZ 852121710439641
  4. Brent Kelsch, FNPMesa, AZ 852121891187340
  5. Kelley Lejcar, FNP-CMesa, AZ 852121871240689
  6. Matthew Miller, FNPMesa, AZ 852121053926410
  7. Vincent Noriega, FNPMesa, AZ 852121831469733
  8. Linda Okafor, FNPMesa, AZ 852121205355880

Common questions

What is Maria Emilaine De Castro, FNP-C's NPI number?

Maria Emilaine De Castro, FNP-C's National Provider Identifier (NPI) is 1164852802, issued on Nov 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Maria Emilaine De Castro, FNP-C located?

The NPPES record lists a practice address at 9950 E Guadalupe RD, Mesa, AZ, 85212. Phone: (480) 354-3758. Providers update this record themselves, so call before visiting.

How can I verify Maria Emilaine De Castro, FNP-C's license?

NPPES lists Arizona license number AP5293, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Emilaine De Castro, FNP-C prescribe under Medicare Part D?

In 2024, Maria Emilaine De Castro, FNP-C had 90 Medicare Part D claims for 76 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Maria Emilaine De Castro, FNP-C's MIPS final score?

The 2023 MIPS final score is 77.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.