Doctor profile · Federal record

Dr. Iva Tirres, FNP

Nurse Practitioner · Phoenix, AZ

  • NPI 1558972752
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3815 E Bell RD Ste 3200
Phoenix, AZ 850322162
(602) 494-5040
fax (602) 494-9736
Additional location
11000 N Scottsdale RD Ste 110
Scottsdale, AZ 852546168
(623) 810-3668
Mailing address
3815 E Bell RD Ste 2200
Phoenix, AZ 850322139

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
May 21, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Arizona #F12190591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558972752. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,505
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $137

In context: peer comparison

Among 52 peers in Phoenix Nurse Practitioner, average services per provider: 404. This provider delivers 0.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,521
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Insulet Corporation 9 $198.47
AstraZeneca Pharmaceuticals Lp 1 $118.65
Lilly USA, LLC 7 $114.68
Xeris Pharmaceuticals, INC. 5 $113.98
Abbvie INC. 5 $98.03
Radius Health, INC. 4 $95.08
Amgen INC. 3 $84.90
Sanofi-Aventis U.S. LLC 2 $77.21
Amneal Pharmaceuticals LLC 4 $73.99
Corcept Therapeutics 4 $72.59
Mannkind Corporation 3 $68.81
Dexcom, INC. 3 $61.84
Recordati_Rare_Diseases_INC. 3 $61.28
Medtronic, INC. 2 $37.55
Novo Nordisk INC 1 $32.66

By nature of payment

Food and Beverage
$1,521

Frequently asked questions

Auto-generated from federal data
What is Dr. Iva Tirres's medical specialty?
Dr. Iva Tirres practices Nurse Practitioner in Phoenix, AZ.
Where does Dr. Iva Tirres practice?
Dr. Iva Tirres practices at 3815 E Bell RD Ste 3200, Phoenix, AZ 850322162. Office phone: 6024945040.
What is Dr. Iva Tirres's NPI?
Dr. Iva Tirres's National Provider Identifier (NPI) is 1558972752, issued by NPPES.
Does Dr. Iva Tirres accept Medicare assignment?
Yes. Dr. Iva Tirres accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Iva Tirres commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.