Doctor profile · Federal record

Dr. Andrzej Zajac, D.O.

Family Medicine Physician · Macomb, MI

  • NPI 1396725545
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
46591 Romeo Plank RD, Suite 200
Macomb, MI 480445742
(586) 226-6100
fax (586) 226-6101
Mailing address
43750 Garfield RD, Suite 104
Clinton Twp, MI 480381135

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Michigan #5101012292
Medicaid
MI #4381282

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396725545. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
554
Distinct HCPCS
9
Medicare allowed
$32,217
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 161 103 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 116 89 $99
81003 Automated urinalysis test 100 93 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 62 62 $55
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 51 49 $15
G0008 Administration of influenza virus vaccine 20 20 $31
90662 Influenza vaccine split virus, preservative free 17 17 $68
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 16 16 $64
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 11 11 $155

In context: peer comparison

Among 5 peers in Macomb Family Medicine Physician, average services per provider: 75. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,837
Patients
573
Total drug cost
$24,525
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 262 81 $4,341
Losartan Potassium Generic 192 55 $3,757
Amlodipine Besylate Generic 182 47 $1,641
Levothyroxine Sodium Generic 158 40 $2,559
Simvastatin Generic 151 43 $2,268
Lisinopril Generic 146 45 $2,068
Metformin Hcl Generic 133 37 $1,795
Omeprazole Generic 131 44 $1,846
Tamsulosin Hcl Generic 90 28 $1,852
Hydrochlorothiazide Generic 74 24 $368

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrzej Zajac's medical specialty?
Dr. Andrzej Zajac practices Family Medicine Physician in Macomb, MI.
Where does Dr. Andrzej Zajac practice?
Dr. Andrzej Zajac practices at 46591 Romeo Plank RD, Macomb, MI 480445742. Office phone: 5862266100.
What is Dr. Andrzej Zajac's NPI?
Dr. Andrzej Zajac's National Provider Identifier (NPI) is 1396725545, issued by NPPES.
What procedures does Dr. Andrzej Zajac commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.