Doctor profile · Federal record

Dr. Nathan Slezak, O.D.

Optometrist (CMS: Optometry) · Gaylord, MI

  • NPI 1821300088
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
829 W Main St, Suite E
Gaylord, MI 497351998
(989) 732-6261
fax (989) 732-1276

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
July 26, 2011
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Michigan #4901004573

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821300088. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
602
Distinct HCPCS
8
Medicare allowed
$54,284
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 256 253 $119
92250 Photography of the retina 136 133 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 71 57 $85
66984 Removal of cataract with insertion of prosthetic lens 34 22 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 31 23 $122
92004 New patient complete exam of visual system 30 30 $141
92083 Exam of visual field with extended testing 24 24 $58
92133 Imaging of optic nerve 20 20 $31

In context: peer comparison

Among 3 peers in Gaylord Optometrist, average services per provider: 69. This provider delivers 8.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$259
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 7 $243.51
Alcon Vision LLC 1 $15.62

By nature of payment

Food and Beverage
$259

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
182
Patients
46
Total drug cost
$6,032
Drug Type Claims Patients Total cost
Latanoprost Generic 109 33 $3,251
Timolol Maleate Generic 22 0 $398
Fluorometholone Generic 15 0 $991
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 14 13 $914
Azithromycin Generic 11 0 $78
Prednisolone Acetate Generic 11 0 $400

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Slezak's medical specialty?
Dr. Nathan Slezak practices Optometrist in Gaylord, MI.
Where does Dr. Nathan Slezak practice?
Dr. Nathan Slezak practices at 829 W Main St, Gaylord, MI 497351998. Office phone: 9897326261.
What is Dr. Nathan Slezak's NPI?
Dr. Nathan Slezak's National Provider Identifier (NPI) is 1821300088, issued by NPPES.
Does Dr. Nathan Slezak accept Medicare assignment?
Yes. Dr. Nathan Slezak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Slezak commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.