Doctor profile · Federal record

Dr. Stephen Frates, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · General Practice Registered Nurse · Occupational Health Nurse Practitioner · Tucson, AZ

  • NPI 1811468432
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9484 E 22Nd St Ste B-1
Tucson, AZ 857107312
(480) 677-8282
fax (888) 316-1686
Mailing address
261 N Roosevelt Ave
Chandler, AZ 852262617

Credentials & registration

NPPES · NUCC
NPI registered
December 2018 — 8 yrs on file
Profile last updated
October 7, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #AP11731
Medicaid
AZ #092727

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811468432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
491
Distinct HCPCS
10
Medicare allowed
$29,881
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 125 110 $74
99203 New patient office or other outpatient visit, 30-44 minutes 70 70 $91
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 45 42 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 43 43 $68
G0008 Administration of influenza virus vaccine 43 43 $26
99212 Established patient office or other outpatient visit, 10-19 minutes 35 34 $45
81002 Urinalysis, manual test 25 23 $3
99202 New patient office or other outpatient visit, 15-29 minutes 22 22 $60
90480 Admn sarscov2 vacc 1 dose 19 19 $34
91322 Sarscov2 vac 50 mcg/0.5ml im 19 19 $143

In context: peer comparison

Among 198 peers in Tucson Family Nurse Practitioner, average services per provider: 231. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
133
Patients
131
Total drug cost
$1,463
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 27 27 $277
Fluticasone Propionate Generic 26 26 $265
Amoxicillin Generic 21 20 $73
Prednisone Generic 18 17 $36
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 17 $569
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 13 13 $179
Cephalexin Generic 11 11 $65

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Frates's medical specialty?
Dr. Stephen Frates practices Family Nurse Practitioner in Tucson, AZ.
Where does Dr. Stephen Frates practice?
Dr. Stephen Frates practices at 9484 E 22Nd St Ste B-1, Tucson, AZ 857107312. Office phone: 4806778282.
What is Dr. Stephen Frates's NPI?
Dr. Stephen Frates's National Provider Identifier (NPI) is 1811468432, issued by NPPES.
Does Dr. Stephen Frates accept Medicare assignment?
Yes. Dr. Stephen Frates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Frates 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.