Doctor profile · Federal record

Dr. Peter Michalak, MD

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Tucson, AZ

  • NPI 1104321777
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1631 W Ina RD
Tucson, AZ 857041985
(520) 585-5738
fax (520) 585-5843
Mailing address
5055 E Broadway Blvd Ste A100
Tucson, AZ 857113629

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
February 11, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Arizona #64431

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104321777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,816
Distinct HCPCS
10
Medicare allowed
$127,430
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 396 227 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 367 187 $124
80053 Blood test, comprehensive group of blood chemicals 252 194 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 246 204 $8
80061 Blood test, lipids (cholesterol and triglycerides) 198 184 $13
84443 Blood test, thyroid stimulating hormone (tsh) 178 151 $16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 169 169 $125
83036 Hemoglobin a1c level 130 91 $10
99204 New patient office or other outpatient visit, 45-59 minutes 94 94 $162
99213 Established patient office or other outpatient visit, 20-29 minutes 83 67 $88

In context: peer comparison

Among 123 peers in Tucson Family Medicine Physician, average services per provider: 88. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$587
Transactions
26
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $228.21
Amgen INC. 3 $56.75
Novo Nordisk INC 3 $49.14
Pfizer INC. 2 $42.92
Merck Sharp & Dohme LLC 2 $38.23
Abbvie INC. 2 $37.68
Eisai INC. 1 $29.83
Nevro Corp. 1 $22.98
Janssen Pharmaceuticals, INC 1 $18.93
Lilly USA, LLC 1 $18.50
GlaxoSmithKline, LLC. 1 $16.69
Amneal Pharmaceuticals LLC 1 $13.86
Boehringer Ingelheim Pharmaceuticals, INC. 1 $13.15

By nature of payment

Food and Beverage
$587

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,786
Patients
636
Total drug cost
$22,079
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 260 87 $2,762
Levothyroxine Sodium Generic 247 78 $3,648
Losartan Potassium Generic 168 57 $1,919
Lisinopril Generic 146 55 $1,444
Amlodipine Besylate Generic 135 58 $1,200
Rosuvastatin Calcium Generic 114 43 $1,477
Metformin Hcl Generic 88 30 $911
Sertraline Hcl Generic 88 26 $608
Hydrochlorothiazide Generic 87 34 $318
Gabapentin Generic 86 30 $2,104

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Michalak's medical specialty?
Dr. Peter Michalak practices Family Medicine Physician in Tucson, AZ.
Where does Dr. Peter Michalak practice?
Dr. Peter Michalak practices at 1631 W Ina RD, Tucson, AZ 857041985. Office phone: 5205855738.
What is Dr. Peter Michalak's NPI?
Dr. Peter Michalak's National Provider Identifier (NPI) is 1104321777, issued by NPPES.
Does Dr. Peter Michalak accept Medicare assignment?
Yes. Dr. Peter Michalak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Michalak commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.