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DR. KARL ALEXANDER DAMROTH M.D.
NPI 1881125482
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Green Bay, WI

Active since March 24, 2017PECOS EnrolledAccepts Medicare Assignment
720 S VAN BUREN ST STE 303, GREEN BAY, WI 54301(920) 433-9621 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2022, Mar 24, 2017 (2 updates tracked since 2017).

About Dr. Karl Alexander Damroth M.d. NPPES

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

DR. KARL ALEXANDER DAMROTH M.D. (NPI 1881125482) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Green Bay, Wisconsin, licensed in Wisconsin (86217-20) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1881125482
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. KARL ALEXANDER DAMROTHCredential: M.D.
Location Address720 S VAN BUREN ST STE 303Green Bay, WI 54301-3534
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Phone(920) 433-9621
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2017
Enumeration DateMarch 24, 2017
Last NPPES UpdateAugust 27, 20252 updates tracked since enumeration
NPPES CertifiedAugust 27, 2025
✔ NPI 1881125482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in WI · 86217-20
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedSurgeryTaxonomy 208600000X · License 71809 (MN)
720 S VAN BUREN ST STE 303, Green Bay, WI 54301
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Secondary Practice Locations 2

Location 11 Atwell RdCooperstown, NY 13326-1301 · Phone (607) 547-3456 · Fax (607) 547-6612
Location 2200 1st St SWRochester, MN 55905-1301 · Phone (507) 284-2511

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karl Alexander Damroth M.d. 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 ID9436481264
PECOS Enrollment IDI20251024000906
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.

Hospital Affiliations CMS Care Compare

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54301 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Karl Damroth's NPI number?

The NPI number for Karl Damroth is 1881125482. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Karl Damroth located?

Karl Damroth practices at 720 S Van Buren St Ste 303, Green Bay, WI 54301. The listed phone number is (920) 433-9621.

What is Karl Damroth's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Karl Damroth enrolled in Medicare?

Yes. Karl Damroth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karl Damroth accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and HealthPartners list Karl Damroth 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.

Is Karl Damroth affiliated with any hospitals?

According to CMS data, Karl Damroth is affiliated with Bellin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Karl Damroth was last updated on August 27, 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.