DR. THOMAS MICHAEL OBRIEN (O.D.) – Optometrist, NPI 1598771537

DR. THOMAS MICHAEL OBRIEN (O.D.) is a healthcare provider. based in Chicago ridge, Illinois. specializing in Optometrist. They hold the professional credentials O.D.. They hold a License No. 046-007561 (IL). The NPI Number for DR. THOMAS MICHAEL OBRIEN (O.D.) is 1598771537

Main info

Male
Sole Proprietor
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS MICHAEL OBRIEN (O.D.)
NPI
1598771537
Phone
(708) 636-5115
Address
5706 111TH ST
Enumeration Date
31 July 2006
Last Update Date
27 September 2010

Doctor Profile

Medical School Name
INDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Secondary Phone
7085463786
Graduation Year
1982 (44 years ago)
PAC ID
3678604485
Group Practice PAC ID
4981591963
Professional Enrollment ID
I20100623000194
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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

  • 5706, West 111th Street, Chicago Ridge, Worth Township, Cook County, Illinois, 60415, United States

    CHICAGO RIDGE, IL 604152407

    Phone: (708) 636-5115

    Fax: (708) 636-5162

    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)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60415)

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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: 4981591963View full group profile
NameSpecialtyState
DR. REBECCA CONNELLY (OD)
O P T O M E T R YIL
DR. BRADLEY CLODFELTER (O.D.)
-IL
DR. RONALD J CARR (OD)
O P T O M E T R YIL
DR. MARY LOU FRENCH (O.D.)
-IL
KATHLEEN M. SCARPULLA (M.D.)
O P H T H A L M O L O G YIL
MS. ANDREA GRIDER (OD)
-IL

Reviews

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Frequently asked questions

Does DR. THOMAS MICHAEL OBRIEN (O.D.) have a public NPI I can cite?
Public records show DR. THOMAS MICHAEL OBRIEN (O.D.) under NPI 1598771537.
Is DR. THOMAS MICHAEL OBRIEN (O.D.) currently accepting referrals based on NPI status?
Registry metadata lists DR. THOMAS MICHAEL OBRIEN (O.D.) as active.
What type of care does DR. THOMAS MICHAEL OBRIEN (O.D.) provide?
DR. THOMAS MICHAEL OBRIEN (O.D.)'s profile centers on Optometrist. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. THOMAS MICHAEL OBRIEN (O.D.)?
DR. THOMAS MICHAEL OBRIEN (O.D.) shows a connection to Chicago Ridge, Illinois in registry-derived data.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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