UNITED SURGEONS, LLC
NPI 1376148593
Anesthesiology in Mishawaka, IN

Q: What is United Surgeons, LLC's NPI number?

The NPI number for United Surgeons, LLC is 1376148593. It was assigned to this organization in the NPPES registry on December 4, 2020. The provider is doing business as Unity Physicians Hospital.

Q: What is United Surgeons, LLC's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Active since December 04, 2020

4455 EDISON LAKES PKWY, MISHAWAKA, IN 46545(574) 231-6800(574) 231-6845 Get Directions Write a Review

NPPES record last updated: December 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 10, 2020, Dec 4, 2020 (2 updates tracked since 2020).

On this page

About United Surgeons, Llc NPPES

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

UNITED SURGEONS, LLC (NPI 1376148593), doing business as Unity Physicians Hospital, is a healthcare organization registered as an anesthesiology in Mishawaka, Indiana and active in the NPI registry since December 2020. The organization lists Kelly Macken-marble, Ceo, as its authorized official.

NPPES Registry Identity

NPI1376148593

Entity TypeOrganization

Primary Taxonomy207L00000X

Legal Business NameUNITED SURGEONS, LLC

Location Address4455 EDISON LAKES PKWYMishawaka, IN 46545-1414

Mailing Address4455 Edison Lakes PkwyMishawaka, IN 46545-1414 · (574) 231-6800 · Fax (574) 231-6845

Phone(574) 231-6800

Fax(574) 231-6845

Organization SubpartNo

Authorized OfficialKelly Macken-marbleCeo · (574) 231-6800

Enumeration DateDecember 4, 2020

Last NPPES UpdateDecember 10, 20202 updates tracked since enumeration

NPPES CertifiedDecember 10, 2020

✔ NPI 1376148593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedNurse Anesthetist, Certified RegisteredTaxonomy 367500000X

4455 EDISON LAKES PKWY, Mishawaka, IN 46545

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Other Names 1

Doing Business AsUnity Physicians Hospital

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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)

United Surgeons, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 54 clinicians reassign Medicare billing to United Surgeons, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Certified Registered Nurse Anesthetist (CRNA)42

Anesthesiology12

Nearest to this location (20)

See all 54

Sara Saylor

Certified Registered Nurse Anesthetist (CRNA)

NPI 1053938324

4455 EDISON LAKES PKWY # 100
Mishawaka, IN 46545

(574) 231-6800

Same address

Emily Ratkiewicz

Certified Registered Nurse Anesthetist (CRNA)

NPI 1740727361

5507 SINGER CT
Granger, IN 46530

(708) 218-0446

✔ Accepts Medicare0.7 mi

Jonathan Eash, M.D.

Anesthesiology

NPI 1356557912

53880 CARMICHAEL DR
South Bend, IN 46635

(574) 247-9441

✔ PECOS✔ Accepts Medicare1.5 mi

Jay Biesenthal, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1669471827

211 N EDDY ST
South Bend, IN 46617

(574) 234-8161

3.4 mi

Joshua Stewart, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1083258099

211 N EDDY ST
South Bend, IN 46617

(574) 234-8161

✔ Accepts Medicare3.5 mi

Steven Matthiesen

Certified Registered Nurse Anesthetist (CRNA)

NPI 1841629441

50820 SUMMIT HILL CT SHADOWFAX ANESTHESIA
Granger, IN 46530

(312) 415-1137

3.7 mi

Sonia Del Real, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1689986549

500 N NAPPANEE ST SUITE 11B
Elkhart, IN 46514

(574) 522-9922

✔ Accepts Medicare9.1 mi

Susan Freisinger, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1437680360

1755 FULTON ST
Elkhart, IN 46514

(574) 522-0800

✔ Accepts Medicare9.2 mi

Chase Buehler

Certified Registered Nurse Anesthetist (CRNA)

NPI 1770065104

600 EAST BLVD
Elkhart, IN 46514

(630) 338-3793

✔ Accepts Medicare9.8 mi

Amanda Huff, DNP, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1316517782

600 EAST BLVD
Elkhart, IN 46514

(574) 524-8130

✔ Accepts Medicare9.8 mi

Sabu Kurian, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1588605455

600 EAST BLVD
Elkhart, IN 46514

(574) 523-3193

9.8 mi

Bronson Taylor

Certified Registered Nurse Anesthetist (CRNA)

NPI 1508423039

600 EAST BLVD
Elkhart, IN 46514

(574) 294-2621

✔ PECOS✔ Accepts Medicare9.8 mi

John Chung, MD

Anesthesiology

NPI 1295752731

600 EAST BLVD
Elkhart, IN 46514

(574) 523-3193

✔ PECOS✔ Accepts Medicare9.8 mi

Blake Hawk, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1417409251

600 EAST BLVD
Elkhart, IN 46514

(574) 523-3193

✔ Accepts Medicare9.8 mi

Miriam Kirori

Certified Registered Nurse Anesthetist (CRNA)

NPI 1568967461

600 EAST BLVD APT 2A
Elkhart, IN 46514

(574) 523-3334

✔ Accepts Medicare9.8 mi

Rebecca Mahlie, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1932783958

600 EAST BLVD
Elkhart, IN 46514

(574) 294-2621

✔ Accepts Medicare9.8 mi

Cody Seamons, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1437627247

600 EAST BLVD
Elkhart, IN 46514

(574) 294-2621

✔ Accepts Medicare9.8 mi

Nancy Walker, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1689189193

600 EAST BLVD
Elkhart, IN 46514

(800) 303-7639

✔ Accepts Medicare9.8 mi

Bradley Yensho

Certified Registered Nurse Anesthetist (CRNA)

NPI 1821415993

600 EAST BLVD
Elkhart, IN 46514

(574) 533-3334

✔ Accepts Medicare9.8 mi

Lindsay Vasil, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1093169096

1513 E JACKSON BLVD
Elkhart, IN 46516

(574) 523-3193

✔ Accepts Medicare12 mi

See all 54 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 United Surgeons, LLC's NPI number?

The NPI number for United Surgeons, LLC is 1376148593. It was assigned to this organization in the NPPES registry on December 4, 2020. The provider is doing business as Unity Physicians Hospital.

Where is United Surgeons, LLC located?

United Surgeons, LLC is located at 4455 Edison Lakes Pkwy, Mishawaka, IN 46545. The listed phone number is (574) 231-6800.

What is United Surgeons, LLC's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is United Surgeons, LLC enrolled in Medicare?

Yes. United Surgeons, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through United Surgeons, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 54 clinicians in 2 Medicare specialties reassign their Medicare billing to United Surgeons, LLC. 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 Certified Registered Nurse Anesthetist (CRNA) (42) and Anesthesiology (12). Of these, 1 practice at this address and 19 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does United Surgeons, LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list United Surgeons, LLC 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 United Surgeons, LLC was last updated on December 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.