Doctor profile · Federal record

Dr. Maria Emilaine de Castro, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mesa, AZ

  • NPI 1164852802
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9950 E Guadalupe RD
Mesa, AZ 852122135
(480) 354-3758

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Profile last updated
May 17, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #AP5293

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164852802. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
139
Distinct HCPCS
7
Medicare allowed
$7,923
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 37 34 $73
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $93
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 21 21 $35
G0008 Administration of influenza virus vaccine 16 16 $25
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 14 14 $68
99212 Established patient office or other outpatient visit, 10-19 minutes 13 11 $47
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 93 peers in Mesa Family Nurse Practitioner, average services per provider: 125. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $21.88

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
18
Total drug cost
$162
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 18 $162

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Emilaine de Castro's medical specialty?
Dr. Maria Emilaine de Castro practices Family Nurse Practitioner in Mesa, AZ.
Where does Dr. Maria Emilaine de Castro practice?
Dr. Maria Emilaine de Castro practices at 9950 E Guadalupe RD, Mesa, AZ 852122135. Office phone: 4803543758.
What is Dr. Maria Emilaine de Castro's NPI?
Dr. Maria Emilaine de Castro's National Provider Identifier (NPI) is 1164852802, issued by NPPES.
Does Dr. Maria Emilaine de Castro accept Medicare assignment?
Yes. Dr. Maria Emilaine de Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Emilaine de Castro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.