JOHN L KNIAZ DO
NPI 1659470110
Internal Medicine - Gastroenterology in Munster, IN

Q: What is John Kniaz's NPI number?

The NPI number for John Kniaz is 1659470110. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Q: What is John Kniaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for John Kniaz was last updated on August 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 21, 2006PECOS Enrolled

9410 CALUMET AVE STE 401, MUNSTER, IN 46321(219) 922-4900(219) 836-9922 Get Directions Write a Review

NPPES record last updated: August 13, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 13, 2024, Jan 28, 2022, Jan 18, 2019 and 1 more (4 updates tracked since 2015).

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About John L Kniaz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN L KNIAZ DO (NPI 1659470110) is an individual gastroenterology provider in Munster, Indiana, licensed in Indiana (02000771) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Dyer.

NPPES Registry Identity

NPI1659470110

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameJOHN L KNIAZCredential: DO

Location Address9410 CALUMET AVE STE 401Munster, IN 46321-0018

Mailing Address9410 Calumet Ave Ste 401Munster, IN 46321-0018 · (219) 922-4900 · Fax (219) 836-9922

Phone(219) 922-4900

Fax(219) 836-9922

Sole ProprietorNo

Enumeration DateSeptember 21, 2006

Last NPPES UpdateAugust 13, 20244 updates tracked since enumeration

NPPES CertifiedAugust 13, 2024

✔ NPI 1659470110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IN · 02000771

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

9410 CALUMET AVE STE 401, Munster, IN 46321

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Secondary Practice Location 1

Location 116000 W. 101st Ave.Dyer, IN 46311 · Phone (219) 922-4900 · Fax (219) 836-9922

Other Identifiers 3

Other628340IN · Medicare Ptan

Medicaid100354640AIN

Other211956IL · Medicare Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John L Kniaz Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46321 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Lubricant, individual sterile packet, each A4332

DME-Medical/Surgical Supplies · category DA000N

1 supplier12 claims1,200 services$0.10 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

1 supplier12 claims1,080 services$1.29 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407

DME-Orthotic Devices · category DF010N

1 supplier12 claims360 services$8.06 avg. paid by Medicare

Irrigation supply; sleeve, disposable, per month A4437

DME-Medical/Surgical Supplies · category DA000N

1 supplier12 claims60 services$16.27 avg. paid by Medicare

Adhesive remover, wipes, any type, each A4456

DME-Medical/Surgical Supplies · category DA000N

1 supplier12 claims600 services$0.22 avg. paid by Medicare

Skin barrier, wipes or swabs, each A5120

DME-Orthotic Devices · category DF010N

1 supplier12 claims600 services$0.21 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMMAR HASSAN D.O.

Internal Medicine (Gastroenterology)