Doctor profile · Federal record

Dr. Frances Grill, FNP

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

  • NPI 1679790174
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 W Rex Allen Dr
Willcox, AZ 856431129
(520) 766-5000
fax (520) 766-5001

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
November 4, 2011
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #AP0887
Medicaid
AZ #805434

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679790174. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,788
Distinct HCPCS
10
Medicare allowed
$73,203
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 377 34 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 330 124 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 213 96 $105
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 188 33 $1
G0442 Annual alcohol misuse screening, 5 to 15 minutes 121 121 $15
G0444 Annual depression screening, 5 to 15 minutes 118 118 $15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 113 113 $106
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 106 100 $12
93922 Ultrasound study of arm and leg arteries 101 98 $67
96372 Injection of drug or substance under skin or into muscle 62 40 $12

In context: peer comparison

Among 1 peers in Willcox Family Nurse Practitioner, average services per provider: 149. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
992
Patients
271
Total drug cost
$17,395
Drug Type Claims Patients Total cost
Lisinopril Generic 104 31 $1,213
Levothyroxine Sodium Generic 101 30 $1,497
Atorvastatin Calcium Generic 99 30 $1,487
Gabapentin Generic 97 32 $2,523
Amlodipine Besylate Generic 87 26 $1,209
Losartan Potassium Generic 79 28 $1,910
Metformin Hcl Generic 61 16 $413
Buspirone Hcl Generic 55 17 $1,002
Carvedilol Generic 55 16 $294
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 47 0 $2,262

Frequently asked questions

Auto-generated from federal data
What is Dr. Frances Grill's medical specialty?
Dr. Frances Grill practices Family Nurse Practitioner in Willcox, AZ.
Where does Dr. Frances Grill practice?
Dr. Frances Grill practices at 801 W Rex Allen Dr, Willcox, AZ 856431129. Office phone: 5207665000.
What is Dr. Frances Grill's NPI?
Dr. Frances Grill's National Provider Identifier (NPI) is 1679790174, issued by NPPES.
Does Dr. Frances Grill accept Medicare assignment?
Yes. Dr. Frances Grill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frances Grill commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.