DR. MICHAEL WILLIAM THOMAS (O.D.) – Optometrist, NPI 1679539993

DR. MICHAEL WILLIAM THOMAS (O.D.) is a healthcare provider. based in Marengo, Illinois. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 046-009334 (IL). The NPI Number for DR. MICHAEL WILLIAM THOMAS (O.D.) is 1679539993

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. MICHAEL WILLIAM THOMAS (O.D.)
NPI
1679539993
Phone
(815) 568-6508
Address
205 N STATE ST
Enumeration Date
25 April 2006
Last Update Date
23 August 2010

Doctor Profile

Medical School Name
INDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Secondary Phone
8155686508
Graduation Year
1995 (31 years ago)
PAC ID
9830177286
Group Practice PAC ID
8426061169
Professional Enrollment ID
I20050309000843
Address ID
IL601522239MA205XXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,715 OPTOMETRY in IL

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Provider Addresses for DR. MICHAEL WILLIAM THOMAS (O.D.)

  • State Street, Marengo, Marengo Township, Calhoun County, Michigan, 49224, United States

    MARENGO, IL 601522239

    Phone: (815) 568-6508

    Fax: (815) 568-4896

    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 2 Open Payments records for all available years, with a total value of $31.

Total Amount is formed as General ($31) + Research ($0) + Ownership ($0) = $31.

Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Alcon Vision LLC ($18).

Total Amount

$31

General + Research + Ownership

Payments

2

Total payment records

General Amount

$31

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-07-11

Latest reported date

Top Companies

Largest payers in this snapshot

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: 2005-03-09

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
I20050309000843IOptometryILTBD

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 system117116$0
92250Photography of the retina6967$0
99213Established patient office or other outpatient visit, 20-29 minutes3615$0
92004New patient complete exam of visual system3333$0
92133Imaging of optic nerve1111$0
View full utilization report →

Insurance plans in this area (ZIP 60152)

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Provider's Procedures

DR. MICHAEL WILLIAM THOMAS (O.D.) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYIL92083Measurement of field of vision during daylight conditions1313

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: 8426061169View full group profile
NameSpecialtyState
O P T O M E T R YIL
-IL
O P T O M E T R YIL

Reviews

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Frequently asked questions

What is DR. MICHAEL WILLIAM THOMAS (O.D.)'s NPI number?
DR. MICHAEL WILLIAM THOMAS (O.D.)'s NPI is 1679539993 — the number used across U.S. healthcare to identify this provider.
Would DR. MICHAEL WILLIAM THOMAS (O.D.) appear as active to a payer?
You can treat DR. MICHAEL WILLIAM THOMAS (O.D.) as active for directory purposes; confirm clinical privileges separately.
What area of care is associated with DR. MICHAEL WILLIAM THOMAS (O.D.)?
DR. MICHAEL WILLIAM THOMAS (O.D.)'s record emphasizes Optometrist. Clinical services aligned with this taxonomy classification.
Is DR. MICHAEL WILLIAM THOMAS (O.D.) associated with Marengo?
Public fields place DR. MICHAEL WILLIAM THOMAS (O.D.) around Marengo, Illinois. Always confirm the exact site before visiting.
Does DR. MICHAEL WILLIAM THOMAS (O.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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