NPPES file of Aug 9, 2026

Mariela D. Gainza Mayo, APRN, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Miami, FL

Mariela D. Gainza Mayo, APRN, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Miami, Florida, and NPI 1437665601, issued on Dec 23, 2017. Check the license (Florida APRN9365884, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1437665601
Name
Mariela D. Gainza Mayo
Credential
APRN, PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
APRN9365884 FL
9365884 FL
Self-reported in NPPES; status is on the state search
Practice location
9408 SW 87TH Ave Ste 102, Miami, FL 33176
Phone
(833) 769-3524
Enumerated
Dec 23, 2017
Record last updated
Dec 19, 2025
Medicare enrollment
Enrolled (PECOS I20210701000127); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest psychiatric/mental health nurse practitioner records → All 4,715 in Florida → Look up another NPI →

Also registered at 9408 SW 87TH Ave Ste 102

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

  1. Julian Ariza, M.D.Psychiatry Physician1053520262
  2. Georgia Castro, LMHCMental Health Counselor1013519115
  3. Melissa Hernandez, RMHCIMental Health Counselor1457047540
  4. Marlene Kastrinos, PHD, LCSWClinical Social Worker1790774438
  5. Paul Layden, PH.D.Clinical Psychologist1205072907
  6. Ciana Lenel, LCSWClinical Social Worker1699479824

Verify Mariela D. Gainza Mayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN9365884    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
Open the Florida 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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52% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

438 Medicare Part D claims for 66 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Mariela Gainza Mayo438
  2. Specialty average906

Most prescribed

  1. Escitalopram Oxalate51 claims
  2. Trazodone Hcl48 claims
  3. Quetiapine Fumarate36 claims
  4. Sertraline Hcl30 claims
  5. Alprazolam29 claims
  6. Clonazepam29 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: $619.18

6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariela Gainza Mayo$619.18
  2. Specialty average$1,027.77

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. Personal Recovery Network LLCMiami Lakes, FL

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

Mariela D. Gainza Mayo among 4,715 psychiatric/mental health nurse practitioner records in Florida

Mariela D. Gainza Mayo, APRN, PMHNP is one of 4,715 psychiatric/mental health nurse practitioner records with a practice address in Florida. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 25% of them.

  • NPI issued2017 · 25% of these records are older, 72% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2017 · median 2021 among the 2,622 with a school on file
  • Record last updated2025 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

456 psychiatric/mental health nurse practitioner records list a practice address in Miami

They are 456 of the 49,442 NPPES records with a practice address in Miami, and 4,715 psychiatric/mental health nurse practitioner records in Florida.

All 4,715 in Florida → Every provider in Miami → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Felipe Beltran Montalvo, APRN, PMHNP-BCMiami, FL 331761316565104
  2. Caryn Blair, DNP, APRN, PMHNP-BCMiami, FL 331761922769389
  3. Abel Bueno Gonzalez, PMHNPMiami, FL 331761124665039
  4. Katia Calleja, APRNMiami, FL 331761366109860
  5. Adriana Gonzalez, ARNPMiami, FL 331761588191308
  6. Samantha LluisMiami, FL 331761184018764
  7. Obunadike MbanugoMiami, FL 331761700358777
  8. Traci-Ann MillerMiami, FL 331761740756741

Common questions

What is Mariela D. Gainza Mayo, APRN, PMHNP's NPI number?

Mariela D. Gainza Mayo, APRN, PMHNP's National Provider Identifier (NPI) is 1437665601, issued on Dec 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mariela D. Gainza Mayo, APRN, PMHNP located?

The NPPES record lists a practice address at 9408 SW 87TH Ave Ste 102, Miami, FL, 33176. Phone: (833) 769-3524. Providers update this record themselves, so call before visiting.

How can I verify Mariela D. Gainza Mayo, APRN, PMHNP's license?

NPPES lists Florida license number APRN9365884, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mariela D. Gainza Mayo, APRN, PMHNP prescribe under Medicare Part D?

In 2024, Mariela D. Gainza Mayo, APRN, PMHNP had 438 Medicare Part D claims for 66 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.