Doctor profile · Federal record

Dr. Claudia Zirkus, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Student in an Organized Health Care Education/Training Program · Phoenix, AZ

  • NPI 1275272171
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2811 E Siesta Ln
Phoenix, AZ 850503413
(480) 201-2563

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Profile last updated
September 9, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #1275272171

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275272171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
4
Medicare allowed
$10,237
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 45 45 $100
99285 Emergency department visit with high level of medical decision making 23 23 $145
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $80

In context: peer comparison

Among 230 peers in Phoenix Family Nurse Practitioner, average services per provider: 354. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
34
Total drug cost
$314
Drug Type Claims Patients Total cost
Cephalexin Generic 20 20 $173
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $141

Frequently asked questions

Auto-generated from federal data
What is Dr. Claudia Zirkus's medical specialty?
Dr. Claudia Zirkus practices Family Nurse Practitioner in Phoenix, AZ.
Where does Dr. Claudia Zirkus practice?
Dr. Claudia Zirkus practices at 2811 E Siesta Ln, Phoenix, AZ 850503413. Office phone: 4802012563.
What is Dr. Claudia Zirkus's NPI?
Dr. Claudia Zirkus's National Provider Identifier (NPI) is 1275272171, issued by NPPES.
Does Dr. Claudia Zirkus accept Medicare assignment?
Yes. Dr. Claudia Zirkus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claudia Zirkus commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.