NATHAN ROBERT SLEZAK (O.D.) – Optometrist, NPI 1821300088

NATHAN ROBERT SLEZAK (O.D.) is a healthcare provider. based in Gaylord, Michigan. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 4901004573 (MI). The NPI Number for NATHAN ROBERT SLEZAK (O.D.) is 1821300088

Main info

Male
16 Years Of Experience
Accepts Medicare Assignment
Name
NATHAN ROBERT SLEZAK (O.D.)
NPI
1821300088
Phone
(989) 732-6261
Address
829 W MAIN ST
Enumeration Date
5 July 2010
Last Update Date
26 July 2011

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9897326261
Graduation Year
2010 (16 years ago)
PAC ID
4385839190
Group Practice PAC ID
0749310720
Professional Enrollment ID
I20101105001018
Address ID
MI497351998GA829XXSTXX404
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience44
Completeness75
Years active:15State licenses:1Digital endpointsOther names

1,204 OPTOMETRY in MI

Provider Addresses for NATHAN ROBERT SLEZAK (O.D.)

  • 829 W MAIN ST

    SUITE E

    GAYLORD, MI 497351998

    Phone: (989) 732-6261

    Fax: (989) 732-1276

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 22 Open Payments records for all available years, with a total value of $694.

Total Amount is formed as General ($694) + Research ($0) + Ownership ($0) = $694.

Last reported payment date: 2024-12-03 • Largest payer in this snapshot: CooperVision Inc. ($502).

Total Amount

$694

General + Research + Ownership

Payments

22

Total payment records

General Amount

$694

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-03

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-11-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101105001018IOptometryMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92014Established patient complete exam of visual system256253$0
92250Photography of the retina136133$0
99213Established patient office or other outpatient visit, 20-29 minutes7157$0
66984Removal of cataract with insertion of prosthetic lens3422$0
99214Established patient office or other outpatient visit, 30-39 minutes3123$0
View full utilization report →

Insurance plans in this area (ZIP 49735)

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Provider's Procedures

NATHAN ROBERT SLEZAK (O.D.) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYMI92083Measurement of field of vision during daylight conditions2724

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0749310720View full group profile
NameSpecialtyState
O P T O M E T R YMI
O P T O M E T R YMA
O P T O M E T R YMI
O P T O M E T R YMI
O P T O M E T R YMI

Reviews

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Frequently asked questions

What NPI should I save for NATHAN ROBERT SLEZAK (O.D.)?
Save NPI 1821300088 if you need a stable reference for NATHAN ROBERT SLEZAK (O.D.).
Is NATHAN ROBERT SLEZAK (O.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is NATHAN ROBERT SLEZAK (O.D.)?
The page reflects Optometrist for NATHAN ROBERT SLEZAK (O.D.). Clinical services aligned with this taxonomy classification.
Does NATHAN ROBERT SLEZAK (O.D.) practice in Michigan?
You will see Gaylord, Michigan on file for NATHAN ROBERT SLEZAK (O.D.) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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