DR. JACK S. BARTOSZEK (D.O.) – Geriatric Medicine (Family Medicine) Physician, NPI 1093714818

DR. JACK S. BARTOSZEK (D.O.) is a healthcare provider. based in Mishawaka, Indiana. specializing in Geriatric Medicine (Family Medicine) Physician. They hold the professional credentials D.O.. They hold a License No. 02001105 (IN). The NPI Number for DR. JACK S. BARTOSZEK (D.O.) is 1093714818

Main info

Male
Name
DR. JACK S. BARTOSZEK (D.O.)
NPI
1093714818
Phone
(574) 252-3085
Address
4455 EDISON LAKES PKWY
Enumeration Date
14 July 2005
Last Update Date
20 September 2013
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JACK S. BARTOSZEK (D.O.)

  • Unity Medical & Surgical Hospital, 4455, Edison Lakes Parkway, Mishawaka, Saint Joseph County, Indiana, 46545, United States

    UNITY MEDICAL SURGICAL HOSPITAL

    MISHAWAKA, IN 465451442

    Phone: (574) 252-3085

    Fax: (574) 252-5906

    Type: Mailing

  • 615, Fulmer Road, Autumn Lakes Apartments & Townhomes, Mishawaka, Saint Joseph County, Indiana, 46544, United States

    MISHAWAKA, IN 465446911

    Phone: (574) 252-3085

    Fax: (574) 252-5906

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 16 Open Payments records for all available years, with a total value of $1,140.

Total Amount is formed as General ($1,140) + Research ($0) + Ownership ($0) = $1,140.

Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($375).

Total Amount

$1,140

General + Research + Ownership

Payments

16

Total payment records

General Amount

$1,140

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-04

Latest reported date

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: 2020-04-01

PECOS data refreshed: 2026-05-27

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 46545)

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Reviews

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Frequently asked questions

Can I verify DR. JACK S. BARTOSZEK (D.O.) with an NPI only?
You can start verification with NPI 1093714818 for DR. JACK S. BARTOSZEK (D.O.), then check state licensing separately.
Is DR. JACK S. BARTOSZEK (D.O.) still practicing?
DR. JACK S. BARTOSZEK (D.O.) is currently listed as active in the public NPI registry.
What is DR. JACK S. BARTOSZEK (D.O.)'s specialty?
The listing groups DR. JACK S. BARTOSZEK (D.O.) with Geriatric Medicine (Family Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where is DR. JACK S. BARTOSZEK (D.O.) based?
DR. JACK S. BARTOSZEK (D.O.) is tied to Mishawaka, Indiana in the data we show; additional addresses may exist on the full record.
Is the information about DR. JACK S. BARTOSZEK (D.O.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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