Doctor profile · Federal record

Dr. John Szajenko, MD

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Midland, MI

  • NPI 1881670362
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 30 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
555 W Wackerly St, #3825
Midland, MI 48640
(989) 631-9267
fax (989) 839-0629

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
Michigan #4301068366
Medicaid
MI #4187893

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881670362. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
982
Distinct HCPCS
10
Medicare allowed
$90,295
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 424 115 $118
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 176 18 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 103 77 $86
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 95 57 $92
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 75 47 $108
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $159
20610 Aspiration and/or injection of fluid from large joint 18 13 $65
95909 Nerve conduction, 5-6 studies 18 18 $128
95908 Nerve conduction, 3-4 studies 14 14 $104
95910 Nerve conduction, 7-8 studies 14 14 $168

In context: peer comparison

Among 1 peers in this city , average services per provider: 98. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,294
Patients
246
Total drug cost
$28,806
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 365 59 $10,528
Gabapentin Generic 229 69 $3,784
Tramadol Hcl Generic 145 24 $931
Pregabalin Generic 86 20 $2,233
Prednisone Generic 80 59 $254
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 79 0 $2,044
Morphine Sulfate Er (Morphine Sulfate) Brand 75 0 $5,176
Cyclobenzaprine Hcl Generic 40 15 $405
Morphine Sulfate Generic 37 0 $725
Tizanidine Hcl Generic 33 0 $487

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Szajenko's medical specialty?
Dr. John Szajenko practices Physical Medicine & Rehabilitation Physician in Midland, MI.
Where does Dr. John Szajenko practice?
Dr. John Szajenko practices at 555 W Wackerly St, Midland, MI 48640. Office phone: 9896319267.
What is Dr. John Szajenko's NPI?
Dr. John Szajenko's National Provider Identifier (NPI) is 1881670362, issued by NPPES.
Does Dr. John Szajenko accept Medicare assignment?
Yes. Dr. John Szajenko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Szajenko commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.