STEVEN C SCHLACK-HAERER (MD) – Gastroenterology Physician, NPI 1568466142

STEVEN C SCHLACK-HAERER (MD) is a healthcare provider. based in La crosse, Wisconsin. specializing in GASTROENTEROLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 33768 (WI). The NPI Number for STEVEN C SCHLACK-HAERER (MD) is 1568466142

Main info

Male
35 Years Of Experience
Accepts Medicare Assignment
Name
STEVEN C SCHLACK-HAERER (MD)
NPI
1568466142
Phone
(608) 782-7300
Address
1836 SOUTH AVE
Enumeration Date
10 June 2005
Last Update Date
15 February 2016

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6087827300
Graduation Year
1991 (35 years ago)
PAC ID
1759345663
Group Practice PAC ID
2163331414
Professional Enrollment ID
I20041118001148
Address ID
WI546015467LA1910XAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

382 GASTROENTEROLOGY in WI

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Provider Addresses for STEVEN C SCHLACK-HAERER (MD)

  • 1836, South Avenue, La Crosse, La Crosse County, Wisconsin, 54601, United States

    LA CROSSE, WI 54601

    Phone: (608) 782-7300

    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 1 Open Payments records for all available years, with a total value of $97.

Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.

Last reported payment date: 2023-10-24 • Largest payer in this snapshot: ATRICURE, INC. ($97).

Total Amount

$97

General + Research + Ownership

Payments

1

Total payment records

General Amount

$97

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-24

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ATRICURE, INC.$97
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: 2020-08-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20041118001148IGastroenterologyWITBD
I20200813000540IGastroenterologyMNTBD

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
G0500Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito149140$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare6868$0
99213Established patient office or other outpatient visit, 20-29 minutes3730$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope3129$0
99214Established patient office or other outpatient visit, 30-39 minutes1512$0
View full utilization report →

Insurance plans in this area (ZIP 54601)

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Provider's Procedures

STEVEN C SCHLACK-HAERER (MD) performs procedures in GASTROENTEROLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYWI43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope3332

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: 2163331414View full group profile
NameSpecialtyState
-WI
P S Y C H I A T R YWI
Physician AssistantWI
-WI
-WI
Family PracticeWI
Nurse PractitionerWI
-IL
-WI
Gastroenterology, Internal MedicineWI

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Frequently asked questions

What is the registry number for STEVEN C SCHLACK-HAERER (MD)?
The registry entry for STEVEN C SCHLACK-HAERER (MD) shows NPI 1568466142.
Does the public listing show STEVEN C SCHLACK-HAERER (MD) as active?
STEVEN C SCHLACK-HAERER (MD)'s NPI record reflects an active status in NPPES.
What services align with STEVEN C SCHLACK-HAERER (MD)'s listing?
STEVEN C SCHLACK-HAERER (MD)'s public classification highlights Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What city is tied to STEVEN C SCHLACK-HAERER (MD)?
The directory associates STEVEN C SCHLACK-HAERER (MD) with La Crosse, Wisconsin. Check all listed addresses for suites or satellite offices.
Why is information missing for STEVEN C SCHLACK-HAERER (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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