Dr. Frederick C. Gehrmann
- Gender: Male
- Experience: 30 years
- Graduated from: University Of Iowa, Rj & L Carver College Of Medicine
- Graduation year: 1991
- Sole propriator: No
- NPI: 1861480055
Dr. Frederick C. Gehrmann M.D.
Anesthesiologist
He is located at 1000 North Oak Avenue in Marshfield, WI 54449. Can help patients with the following: General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation, Wrist Surgery. His National Provider Identifier (NPI) number is 1861480055. Appointment can be made via the phone number (715) 387-5511. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Frederick Gehrmann, being an anesthesiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Frederick C. Gehrmann.
- General Anesthesia
- Pain Medication Management
- Regional Anesthesia
- Sedation
- Wrist Surgery
Procedures Performed by Dr. Frederick C. Gehrmann
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Frederick C. Gehrmann as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Individual Choice Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Frederick C. Gehrmann is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Frederick C. Gehrmann is enrolled to bill Medicare as a Practitioner - Anesthesiology .
Bills through: Agnesian Healthcare Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Cas Medical Systems | $21 |
| Halyard Health | $11 |
| Mylan | $10 |
Other
| Food and Beverage | $44 |
Studies
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated in 1991
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- Gender: Male
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- Address: 1000 North Oak Avenue Marshfield, 54449, WI
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- Address: 1000 North Oak Avenue Marshfield, 54449, WI
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- Address: 1000 North Oak Avenue Marshfield, 54449, WI
- Gender: Male
- Address: 1000 North Oak Avenue Marshfield, 54449, WI
- Gender: Male
- Address: 1000 North Oak Avenue Marshfield, 54449, WI
Questions & Answers
Has Dr. Frederick Gehrmann affiliation with hospitals?
Dr. Frederick Gehrmann is affiliated with ST JOHNS HOSPITAL.
Does Dr. Frederick Gehrmann accept patients with Medica?
Yes, Dr. Frederick Gehrmann is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Frederick Gehrmann have affiliation with practices?
Dr. Frederick Gehrmann is affiliated with Sangamon Associated Anesthesiologists SC. For the full list of practices see this list.
What conditions does Dr. Frederick Gehrmann treat?
Dr. Frederick Gehrmann provides treatment for General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation, Wrist Surgery.
Where can you meet with Dr. Frederick Gehrmann?
Dr. Frederick Gehrmann's office is located at 1000 North Oak Avenue in Marshfield, WI 54449.