LILLIAN THORP KALACZINSKI (O.D.) – Optometrist, NPI 1356429757

LILLIAN THORP KALACZINSKI (O.D.) is a healthcare provider. based in Grand rapids, Michigan. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 4901003922 (MI). The NPI Number for LILLIAN THORP KALACZINSKI (O.D.) is 1356429757

Main info

Female
28 Years Of Experience
Accepts Medicare Assignment
Name
LILLIAN THORP KALACZINSKI (O.D.)
NPI
1356429757
Phone
(616) 970-4630
Address
7421 TREELINE DR SE
Enumeration Date
2 November 2006
Last Update Date
23 January 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6163635413
Graduation Year
1998 (28 years ago)
PAC ID
3274565676
Group Practice PAC ID
4688794647
Professional Enrollment ID
I20050907000371
Address ID
MI495259432GR2820XNEXX501
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

1,203 OPTOMETRY in MI

Provider Addresses for LILLIAN THORP KALACZINSKI (O.D.)

  • 7421 TREELINE DR SE

    GRAND RAPIDS, MI 495467465

    Phone: (616) 970-4630

    Type: Mailing

  • 1124 S STATE ST

    BIG RAPIDS, MI 493072256

    Phone: (231) 591-2189

    Type: Location

  • 2218 BEATRICE DR NE

    GRAND RAPIDS, MI 495053947

    Phone: (616) 235-7272

    Fax: (616) 235-7506

    Type: Mailing

  • 100, Cherry Street Southeast, Heritage Hill Historic District, Grand Rapids, Kent County, Michigan, 49503, United States

    GRAND RAPIDS, MI 495034526

    Phone: (616) 965-8200

    Fax: (616) 965-5340

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $35.

Total Amount is formed as General ($35) + Research ($0) + Ownership ($0) = $35.

Last reported payment date: 2024-11-15 • Largest payer in this snapshot: LKC Technologies, Inc. ($35).

Total Amount

$35

General + Research + Ownership

Payments

1

Total payment records

General Amount

$35

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-15

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
LKC Technologies, Inc.$35
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: 2005-09-07

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
I20050907000371IOptometryMITBD

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 49546)

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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: 4688794647View full group profile
NameSpecialtyState
-MI
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
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 unique ID ties claims to LILLIAN THORP KALACZINSKI (O.D.)?
NPI 1356429757 is assigned to LILLIAN THORP KALACZINSKI (O.D.) under the national enumeration system.
Does this profile mean LILLIAN THORP KALACZINSKI (O.D.) is currently active?
Yes — LILLIAN THORP KALACZINSKI (O.D.) appears active in the national provider directory.
Does LILLIAN THORP KALACZINSKI (O.D.) list a primary specialty?
If you are matching referrals, note Optometrist for LILLIAN THORP KALACZINSKI (O.D.). Clinical services aligned with this taxonomy classification.
Where does public data place LILLIAN THORP KALACZINSKI (O.D.)?
The snapshot lists Grand Rapids, Michigan for LILLIAN THORP KALACZINSKI (O.D.); download NPPES for the complete set.
What if Grand Rapids, Michigan seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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