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INDIANA SURGICAL ASSOCIATES PC
NPI 1679616296
Surgery in Hobart, IN

Active since February 14, 2007
7895 GRAND BLVD, HOBART, IN 46342(219) 947-1910(219) 947-3117 Get Directions Write a Review

NPPES record last updated: September 28, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Indiana Surgical Associates Pc NPPES

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

INDIANA SURGICAL ASSOCIATES PC (NPI 1679616296) is a healthcare organization registered as a surgery in Hobart, Indiana and active in the NPI registry since February 2007. The organization lists Tom Nicholas Galouzis, President, as its authorized official.

NPPES Registry Identity

NPI1679616296
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameINDIANA SURGICAL ASSOCIATES PC
Location Address7895 GRAND BLVDHobart, IN 46342-6665
Mailing Address7895 Grand BlvdHobart, IN 46342-6665 · (219) 947-1910 · Fax (219) 947-3117
Phone(219) 947-1910
Fax(219) 947-3117
Organization SubpartNo
Authorized OfficialTom Nicholas GalouzisPresident · (219) 947-1910
Enumeration DateFebruary 14, 2007
Last NPPES UpdateSeptember 28, 2011
✔ NPI 1679616296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
7895 GRAND BLVD, Hobart, IN 46342
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Other Identifiers 3

Medicare ID-Type Unspecified408690IN
Medicare UPING36123IN
Medicaid200059400IN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Indiana Surgical Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

21

Medicare enrollment records show 21 clinicians reassign Medicare billing to Indiana Surgical Associates PC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

General Surgery20
Nurse Practitioner1

Nearest to this location (20)

See all 21
Brendan Frawley, MD
General Surgery
NPI 1225172083
7895 GRAND BLVD
Hobart, IN 46342
(219) 947-1910
✔ PECOS✔ Accepts MedicareSame address
Tom Galouzis, MD
General Surgery
NPI 1013050772
7895 GRAND BLVD
Hobart, IN 46342
(219) 947-1910
✔ PECOS✔ Accepts MedicareSame address
Jocelyn Logan, MD
General Surgery
NPI 1801962253
7895 GRAND BLVD
Hobart, IN 46342
(219) 947-1910
✔ PECOS✔ Accepts MedicareSame address
Jonathan Patterson, DO
General Surgery
NPI 1588834881
7895 GRAND BLVD
Hobart, IN 46342
(219) 947-1910
✔ PECOSSame address
Thomas Shin, MD
General Surgery
NPI 1326241266
7895 GRAND BLVD
Hobart, IN 46342
(219) 947-1910
✔ PECOS✔ Accepts MedicareSame address
Sha Ron Jackson Johnson, MD
General Surgery
NPI 1538370846
101 E 87TH AVE SUITE 420
Merrillville, IN 46410
(219) 769-2041
✔ PECOS✔ Accepts Medicare4.3 mi
Bryan Robins, MD
General Surgery
NPI 1023549938
101 E 87TH AVE STE 420
Merrillville, IN 46410
(219) 769-2041
✔ PECOS✔ Accepts Medicare4.3 mi
Mark Mueller, MD
General Surgery
NPI 1043355407
12800 MISSISSIPPI PKWY STE C100
Crown Point, IN 46307
(219) 662-5585
✔ PECOS✔ Accepts Medicare6.9 mi
Christopher Mussman, D.O.
General Surgery
NPI 1578837019
12800 MISSISSIPPI PKWY STE C100
Crown Point, IN 46307
(219) 662-5585
✔ PECOS✔ Accepts Medicare6.9 mi
Dana-Rachael Smith, M.D.
General Surgery
NPI 1225356090
12800 MISSISSIPPI PKWY STE C100
Crown Point, IN 46307
(219) 662-5585
✔ PECOS✔ Accepts Medicare6.9 mi
Eric Woo, D.O.
General Surgery
NPI 1992905939
12800 MISSISSIPPI PKWY SUITE C101
Crown Point, IN 46307
(219) 662-5585
✔ PECOS✔ Accepts Medicare7.0 mi
Brittany Hausmann, AGACNP-BC
Nurse Practitioner
NPI 1609207323
4321 FIR ST
East Chicago, IN 46312
(219) 392-7400
✔ PECOS✔ Accepts Medicare15 mi
Cosmina Cristea, D.O.
General Surgery
NPI 1891221594
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
Jason Douglas, MD
General Surgery
NPI 1598020174
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
Anna Gillio, M.D.
General Surgery
NPI 1700237849
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
Elizabeth Herber, MD
General Surgery
NPI 1528227733
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
Aaron Schneider, MD
General Surgery
NPI 1134548563
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
Kristopher Williams, MD
General Surgery
NPI 1548441009
3500 FRANCISCAN WAY STE 3A
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare23 mi
James Siatras, D.O.
General Surgery
NPI 1164672572
20201 CRAWFORD AVE
Olympia Fields, IL 60461
(708) 747-4000
✔ PECOS✔ Accepts Medicare24 mi
Bruce Stoehr, MD
General Surgery
NPI 1588734453
1507 WABASH ST STE 400D
Michigan City, IN 46360
(219) 861-8828
✔ PECOS✔ Accepts Medicare24 mi
See all 21 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Indiana Surgical Associates PC's NPI number?

The NPI number for Indiana Surgical Associates PC is 1679616296. It was assigned to this organization in the NPPES registry on February 14, 2007.

Where is Indiana Surgical Associates PC located?

Indiana Surgical Associates PC is located at 7895 Grand Blvd, Hobart, IN 46342. The listed phone number is (219) 947-1910.

What is Indiana Surgical Associates PC's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Indiana Surgical Associates PC enrolled in Medicare?

Yes. Indiana Surgical Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Indiana Surgical Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 2 Medicare specialties reassign their Medicare billing to Indiana Surgical Associates PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are General Surgery (20) and Nurse Practitioner (1). Of these, 5 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Indiana Surgical Associates PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Indiana Surgical Associates PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Indiana Surgical Associates PC was last updated on September 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.