GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC – Pulmonary Disease Physician, NPI 1003096504

GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC is a healthcare provider. based in Merrillville, Indiana. specializing in Pulmonary Disease Physician. The organization holds a License No. 01064140 (IN). The NPI Number for GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC is 1003096504

Main info

Organization
Name
GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC
NPI
1003096504
Phone
(219) 882-0255
Address
PO BOX 10068
Authorized Official
OLUSEGUN APATA PHYSICIAN/OWNER MD
Enumeration Date
13 November 2007
Last Update Date
10 July 2012
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness75
Years active:18State licenses:1Digital endpointsOther names

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Provider Addresses for GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC

  • PO BOX 10068

    MERRILLVILLE, IN 464110068

    Phone: (219) 882-0255

    Fax: (219) 738-6714

    Type: Mailing

  • Grant Street, Gary, Lake County, Indiana, 46407, United States

    GARY, IN 464041551

    Phone: (219) 882-0255

    Fax: (219) 738-6714

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2013-11-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Revalidation due soon

Earliest CMS due date is 2026-06-30 (20 days away).

Enrollment records

2

Earliest due date

2026-06-30

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
O20071226000164OClinic/Group PracticeIN2026-06-30
O20131126001350OClinic/Group PracticeILTBD

What to do next

  • Confirm the due date on the CMS Revalidation Lookup Tool.
  • Complete revalidation in PECOS before the published due date.
  • If you have multiple enrollment records, revalidate each one on its own schedule.

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 46411)

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Reviews

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Frequently asked questions

How do I look up GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC by NPI?
Use NPI 1003096504 when you need to reference GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC in forms, claims, or directories.
Is GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC currently active in the NPI registry?
CMS-published data lists GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC as an active registrant.
What does GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC treat or focus on?
Patients typically see GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC under the specialty Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
What location shows for GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC?
We surface Merrillville, Indiana for GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC based on available NPPES addresses.
What if Merrillville, Indiana seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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