SABRINA ANN SCHACK (OD) – Optometrist, NPI 1548001704

SABRINA ANN SCHACK (OD) is a healthcare provider. based in O fallon, Illinois. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 046.011962 (IL). The NPI Number for SABRINA ANN SCHACK (OD) is 1548001704

Main info

Female
2 Years Of Experience
Accepts Medicare Assignment
Name
SABRINA ANN SCHACK (OD)
NPI
1548001704
Phone
(618) 620-2020
Address
821 W Highway 50 Ste 302
Enumeration Date
3 June 2024
Last Update Date
5 October 2025

Doctor Profile

Medical School Name
UNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Secondary Phone
6183273231
Graduation Year
2024 (2 years ago)
PAC ID
2769927680
Group Practice PAC ID
7214345735
Professional Enrollment ID
I20250404001740
Address ID
IL622631710NA250XXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience28
Completeness85
Years active:2State licenses:1Digital endpointsOther names

1,715 OPTOMETRY in IL

Provider Addresses for SABRINA ANN SCHACK (OD)

  • 821 W Highway 50 Ste 302

    O Fallon, IL 622691828

    Phone: (618) 620-2020

    Type: Location

  • 821 W HIGHWAY 50 STE 302

    O FALLON, IL 622691828

    Phone: (618) 680-2020

    Type: Mailing

  • 250 E ELM ST

    NASHVILLE, IL 622631710

    Phone: (618) 327-3231

    Fax: (618) 327-8748

    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 $18.

Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.

Last reported payment date: 2024-05-06 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($18).

Total Amount

$18

General + Research + Ownership

Payments

1

Total payment records

General Amount

$18

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-06

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: 2025-04-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 3 Medicare enrollment records; no due dates published yet.

Enrollment records

3

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
I20240715003266IOptometryVTTBD
I20250110000176IOptometryNHTBD
I20250404001740IOptometryILTBD

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 62269)

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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: 7214345735View full group profile
NameSpecialtyState
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 YMO
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

What is the standard ID for SABRINA ANN SCHACK (OD) in the U.S.?
In the U.S., SABRINA ANN SCHACK (OD) is identified by NPI 1548001704.
Should I treat SABRINA ANN SCHACK (OD) as an active provider?
Patients and plans typically see SABRINA ANN SCHACK (OD) as active in the national extract.
How should patients interpret SABRINA ANN SCHACK (OD)'s specialty?
The extract shows Optometrist for SABRINA ANN SCHACK (OD). Clinical services aligned with this taxonomy classification.
What city is tied to SABRINA ANN SCHACK (OD)?
The directory associates SABRINA ANN SCHACK (OD) with O Fallon, Illinois. Check all listed addresses for suites or satellite offices.
Who maintains SABRINA ANN SCHACK (OD)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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