THOMAS L MAHAFFEY (OD) – Optometrist, NPI 1669401139

THOMAS L MAHAFFEY (OD) is a healthcare provider. based in Bloomington, Illinois. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 046008812 (IL). The NPI Number for THOMAS L MAHAFFEY (OD) is 1669401139

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS L MAHAFFEY (OD)
NPI
1669401139
Phone
(309) 353-6660
Address
1107 AIRPORT RD
Enumeration Date
30 June 2006
Last Update Date
17 January 2020

Doctor Profile

Medical School Name
ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Secondary Phone
3096627700
Graduation Year
1995 (31 years ago)
PAC ID
0749338481
Group Practice PAC ID
0749522092
Professional Enrollment ID
I20090506000373
Address ID
IL617042544BL1107XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,715 OPTOMETRY in IL

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Provider Addresses for THOMAS L MAHAFFEY (OD)

  • 1107, Airport Road, Bloomington, McLean County, Illinois, 61704, United States

    BLOOMINGTON, IL 617042544

    Phone: (309) 353-6660

    Fax: (309) 353-7664

    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 40 Open Payments records for all available years, with a total value of $859.

Total Amount is formed as General ($859) + Research ($0) + Ownership ($0) = $859.

Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($344).

Total Amount

$859

General + Research + Ownership

Payments

40

Total payment records

General Amount

$859

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-11

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: 2009-05-06

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
I20090506000373IOptometryILTBD

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
99214Established patient office or other outpatient visit, 30-39 minutes208202$0
99213Established patient office or other outpatient visit, 20-29 minutes8553$0
92250Photography of the retina7665$0
92134Imaging of retina6057$0
92014Established patient complete exam of visual system4642$0
View full utilization report →

Insurance plans in this area (ZIP 61704)

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Provider's Procedures

THOMAS L MAHAFFEY (OD) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYIL92134Diagnostic imaging of retina1413

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: 0749522092View full group profile
NameSpecialtyState
-IL
O P H T H A L M O L O G YIL
O P T O M E T R YIL
O P H T H A L M O L O G YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL

Reviews

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Frequently asked questions

Does THOMAS L MAHAFFEY (OD) have a public NPI I can cite?
Public records show THOMAS L MAHAFFEY (OD) under NPI 1669401139.
Is THOMAS L MAHAFFEY (OD) currently accepting referrals based on NPI status?
Registry metadata lists THOMAS L MAHAFFEY (OD) as active.
Which specialty label fits THOMAS L MAHAFFEY (OD)?
NPPES ties THOMAS L MAHAFFEY (OD) to Optometrist in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to THOMAS L MAHAFFEY (OD)?
THOMAS L MAHAFFEY (OD) is associated with Bloomington, Illinois in the same public data insurers reference.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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