Doctor profile · Federal record

Dr. Carolyn Collier, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Litchfield Park, AZ

  • NPI 1538872387
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4208 N 125Th Ave
Litchfield Park, AZ 853405551
(610) 772-3325

Credentials & registration

NPPES · NUCC
NPI registered
December 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #285287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538872387. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
7
Medicare allowed
$8,321
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 37 34 $72
87804 Detection test by immunoassay with direct visual observation for influenza virus 22 11 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $102
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $93
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 14 14 $38
81003 Automated urinalysis test 13 12 $2
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $138

In context: peer comparison

Among 12 peers in Litchfield Park Family Nurse Practitioner, average services per provider: 69. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
55
Patients
55
Total drug cost
$480
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 16 16 $149
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 15 15 $195
Prednisone Generic 13 13 $32
Methylprednisolone Generic 11 11 $105

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolyn Collier's medical specialty?
Dr. Carolyn Collier practices Family Nurse Practitioner in Litchfield Park, AZ.
Where does Dr. Carolyn Collier practice?
Dr. Carolyn Collier practices at 4208 N 125Th Ave, Litchfield Park, AZ 853405551. Office phone: 6107723325.
What is Dr. Carolyn Collier's NPI?
Dr. Carolyn Collier's National Provider Identifier (NPI) is 1538872387, issued by NPPES.
Does Dr. Carolyn Collier accept Medicare assignment?
Yes. Dr. Carolyn Collier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Collier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.