GARY A STEINECKER (MD) – Medical Oncology Physician, NPI 1699880872

GARY A STEINECKER (MD) is a healthcare provider. based in Oak lawn, Illinois. specializing in Medical Oncology Physician. They hold the professional credentials MD. They hold a License No. 03645587 (IL). The NPI Number for GARY A STEINECKER (MD) is 1699880872

Main info

Male
56 Years Of Experience
Accepts Medicare Assignment
Name
GARY A STEINECKER (MD)
NPI
1699880872
Phone
(708) 346-4100
Address
4400 W 95TH ST
Enumeration Date
20 August 2006
Last Update Date
13 January 2009

Doctor Profile

Medical School Name
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Secondary Phone
7086845475
Graduation Year
1970 (56 years ago)
PAC ID
3476611773
Group Practice PAC ID
2365606563
Professional Enrollment ID
I20081015000040
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for GARY A STEINECKER (MD)

  • Advocate Christ Medical Center, 4400, West 95th Street, Oak Lawn, Worth Township, Cook County, Illinois, 60453, United States

    #302

    OAK LAWN, IL 60453

    Phone: (708) 346-4100

    Fax: (708) 346-2095

    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 $85.

Total Amount is formed as General ($85) + Research ($0) + Ownership ($0) = $85.

Last reported payment date: 2024-10-17 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($85).

Total Amount

$85

General + Research + Ownership

Payments

4

Total payment records

General Amount

$85

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-17

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: 2008-10-15

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
I20081015000040IHematology/OncologyILTBD

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 60453)

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Provider's Procedures

GARY A STEINECKER (MD) performs procedures in Medical Oncology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
HEMATOLOGY/ONCOLOGYIL96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour17524

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: 2365606563View full group profile
NameSpecialtyState
Internal Medicine, Hematology/OncologyIL
Gynecological OncologyIL
Gynecological Oncology, Obstetrics/GynecologyIL
Hematology/Oncology, Internal MedicineIL
Radiation OncologyIL
Radiation OncologyIL
Physician AssistantIL
H E M A T O L O G Y/ O N C O L O G YIL
-IL
-IL

Reviews

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Frequently asked questions

What is GARY A STEINECKER (MD)'s NPI number?
GARY A STEINECKER (MD)'s NPI is 1699880872 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to GARY A STEINECKER (MD)?
You should see GARY A STEINECKER (MD) as active in CMS-hosted NPPES data.
What kind of doctor is GARY A STEINECKER (MD)?
GARY A STEINECKER (MD) is associated with Medical Oncology Physician in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with GARY A STEINECKER (MD)?
Directory geography for GARY A STEINECKER (MD) centers on Oak Lawn, Illinois.
Can I trust this NPI listing for GARY A STEINECKER (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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