ISAAC A TROIANO DO
NPI 1437506268
Emergency Medicine in Waupaca, WI

Q: What is Isaac Troiano's NPI number?

The NPI number for Isaac Troiano is 1437506268. It was assigned to this individual provider in the NPPES registry on May 23, 2016.

Q: What is Isaac Troiano's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Isaac Troiano was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 May 23, 2016PECOS EnrolledAccepts Medicare Assignment

800 RIVERSIDE DR, WAUPACA, WI 54981(715) 258-1041(715) 258-1042 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 3, 2025, Dec 13, 2023, Jul 10, 2020 and 2 more (5 updates tracked since 2018).

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About Isaac A Troiano Do NPPES

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

ISAAC A TROIANO DO (NPI 1437506268) is an individual emergency medicine provider in Waupaca, Wisconsin, licensed in Wisconsin (75133-21) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1437506268

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameISAAC A TROIANOCredential: DO

Location Address800 RIVERSIDE DRWaupaca, WI 54981-1943

Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900 · Fax (920) 830-5910

Phone(715) 258-1041

Fax(715) 258-1042

Sole ProprietorNo

Medical School CMSKansas City University Of Med & Biosciences, College Of Osteo MedGraduated 2016

Enumeration DateMay 23, 2016

Last NPPES UpdateDecember 3, 20255 updates tracked since enumeration

NPPES CertifiedDecember 3, 2025

✔ NPI 1437506268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in WI · 75133-21

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

800 RIVERSIDE DR, Waupaca, WI 54981

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Secondary Practice Locations 2

Location 1835 S Van Buren StGreen Bay, WI 54301-3526 · Phone (920) 433-0111

Location 21726 Shawano AveGreen Bay, WI 54303-3216 · Phone (920) 498-4200

Other Identifiers 2

Other64693CT · Physician License

OtherCSP.0072943CT · Controlled Substance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isaac A Troiano Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426342833

PECOS Enrollment IDI20210624003240

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.

Medicare Billing Reassignments

Medicare enrollment records show Isaac Troiano reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thedacare Medical Center - Waupaca, Inc.

Same address

Emergency Medicine

800 RIVERSIDE DR
Waupaca, WI 54981

Reassigned Medicare billing, Wisconsin enrollment
110 clinicians in this Medicare group

NPI 1780782680 (715) 258-1000

Thedacare Medical Center - New London, Inc.

17 mi

Critical Access

1405 MILL ST
New London, WI 54961

Reassigned Medicare billing, Wisconsin enrollment
106 clinicians in this Medicare group

NPI 1538127220 (920) 531-2092

Thedacare Medical Center - Berlin, Inc.

26 mi

Critical Access

225 MEMORIAL DRIVE
Berlin, WI 54923

Reassigned Medicare billing, Wisconsin enrollment
104 clinicians in this Medicare group

NPI 1760413777 (920) 361-1313

Thedacare Regional Medical Center - Appleton, Inc.

34 mi

General Acute Care Hospital

1818 N MEADE ST
Appleton, WI 54911

Reassigned Medicare billing, Wisconsin enrollment
35 clinicians in this Medicare group

NPI 1902832306 (920) 731-4101

Thedacare Medical Center - Shawano, Inc.

34 mi

Critical Access

100 COUNTY ROAD B
Shawano, WI 54166

Reassigned Medicare billing, Wisconsin enrollment
174 clinicians in this Medicare group

NPI 1548260839 (715) 526-2111

Vituity-Wisconsin Em Sc

52 mi

Emergency Medicine

1726 SHAWANO AVE
Green Bay, WI 54303

Reassigned Medicare billing, Wisconsin enrollment
104 clinicians in this Medicare group

NPI 1558138255 (920) 498-4200

Degara App, PLLC

254 mi

Emergency Medicine

401 W GREENLAWN AVE
Lansing, MI 48910

Reassigned Medicare billing, Michigan enrollment
295 clinicians in this Medicare group

NPI 1265976971 (517) 975-6000

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

165 services151 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

135 services133 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

66 services65 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

45 services45 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Vincent Hospital

Acute Care Hospitals · Green Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520075

Location835 S Van Buren StGreen Bay, WI 54301 · Brown County

Emergency services Birthing friendly

St Mary's Hospital Medical Center

Acute Care Hospitals · Green Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number520097

Location1726 Shawano AveGreen Bay, WI 54303 · Brown County

Emergency services

Thedacare Medical Center-Waupaca

Critical Access Hospitals · Waupaca, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521334

Location800 Riverside DriveWaupaca, WI 54981 · Waupaca County

Emergency services Birthing friendly

Thedacare Medical Center - Shawano

Critical Access Hospitals · Shawano, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521346

Location100 County Rd BShawano, WI 54166 · Shawano County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54981 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

Other Providers at the Same Location NPPES 20

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

THEDACARE MEDICAL CENTER - WAUPACA, INC.

General Acute Care Hospital (Critical Access)