DIANA NICOLE MASOLAK – Optometrist, NPI 1144077496

DIANA NICOLE MASOLAK is a healthcare provider. based in Chicago, Illinois. specializing in OPTOMETRY. They hold a License No. 046011864 (IL). The NPI Number for DIANA NICOLE MASOLAK is 1144077496

Main info

Female
2 Years Of Experience
Accepts Medicare Assignment
Name
DIANA NICOLE MASOLAK
NPI
1144077496
Phone
(312) 225-6200
Address
3241 S MICHIGAN AVE STE 1
Enumeration Date
3 May 2024
Last Update Date
8 July 2024

Doctor Profile

Medical School Name
ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Secondary Phone
6309649800
Graduation Year
2024 (2 years ago)
PAC ID
4284170911
Group Practice PAC ID
1456589829
Professional Enrollment ID
I20240718001322
Address ID
IL605591421WE409XXAVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience33
Completeness75
Years active:2State licenses:1Digital endpointsOther names

1,715 OPTOMETRY in IL

Provider Addresses for DIANA NICOLE MASOLAK

  • 3241 S MICHIGAN AVE STE 1

    CHICAGO, IL 606163878

    Phone: (312) 225-6200

    Fax: (312) 949-7616

    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 4 Open Payments records for all available years, with a total value of $242.

Total Amount is formed as General ($242) + Research ($0) + Ownership ($0) = $242.

Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Alcon Vision LLC ($210).

Total Amount

$242

General + Research + Ownership

Payments

4

Total payment records

General Amount

$242

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-07

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: 2024-07-18

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
I20240718001322IOptometryILTBD

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.

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

Insurance plans in this area (ZIP 60616)

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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: 1456589829View 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
-IL

Reviews

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Frequently asked questions

Can I use this page to confirm DIANA NICOLE MASOLAK's NPI?
Yes. DIANA NICOLE MASOLAK is listed with NPI 1144077496 in the public NPI dataset.
Can I rely on DIANA NICOLE MASOLAK being an active provider?
As of the registry snapshot, DIANA NICOLE MASOLAK is marked active.
What taxonomy line describes DIANA NICOLE MASOLAK?
For research purposes, treat DIANA NICOLE MASOLAK as Optometrist in this dataset. Clinical services aligned with this taxonomy classification.
What area does DIANA NICOLE MASOLAK serve?
DIANA NICOLE MASOLAK's listing highlights Chicago, Illinois; more addresses can appear in NPPES.
Why does DIANA NICOLE MASOLAK have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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