Doctor profile · Federal record

Dr. Garrett Montoya, PA-C

Physician Assistant · Casa Grande, AZ

  • NPI 1043891070
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
560 N Camino Mercado Ste 7
Casa Grande, AZ 851225759
(520) 836-5538
Mailing address
560 N Camino Mercado, Ste 7
Casa Grande, AZ 851225759

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
June 9, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043891070. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,156
Distinct HCPCS
10
Medicare allowed
$105,538
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 411 100 $51
99214 Established patient office or other outpatient visit, 30-39 minutes 370 173 $105
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 115 26 $40
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 108 25 $32
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 93 39 $39
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 90 24 $40
G0442 Annual alcohol misuse screening, 5 to 15 minutes 83 83 $15
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 80 80 $21
80061 Blood test, lipids (cholesterol and triglycerides) 79 63 $13
G0444 Annual depression screening, 5 to 15 minutes 76 76 $15

In context: peer comparison

Among 3 peers in this city , average services per provider: 66. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$46
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $32.28
Amgen Inc. 1 $13.96

By nature of payment

Food and Beverage
$46

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,572
Patients
588
Total drug cost
$21,569
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 193 82 $2,568
Amlodipine Besylate Generic 178 65 $1,342
Lisinopril Generic 171 59 $1,729
Metformin Hcl Generic 162 57 $1,500
Levothyroxine Sodium Generic 127 49 $1,903
Losartan Potassium Generic 126 48 $1,664
Pravastatin Sodium Generic 85 24 $1,536
Gabapentin Generic 80 28 $2,204
Metoprolol Succinate Generic 78 33 $1,608
Simvastatin Generic 78 30 $906

Frequently asked questions

Auto-generated from federal data
What is Dr. Garrett Montoya's medical specialty?
Dr. Garrett Montoya practices Physician Assistant in Casa Grande, AZ.
Where does Dr. Garrett Montoya practice?
Dr. Garrett Montoya practices at 560 N Camino Mercado Ste 7, Casa Grande, AZ 851225759. Office phone: 5208365538.
What is Dr. Garrett Montoya's NPI?
Dr. Garrett Montoya's National Provider Identifier (NPI) is 1043891070, issued by NPPES.
Does Dr. Garrett Montoya accept Medicare assignment?
Yes. Dr. Garrett Montoya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Montoya commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.