Dr. Timothy A. Nydam
- Gender: Male
- Experience: 15 years
- Sole propriator: Yes
- NPI: 1972714533
Dr. Timothy A. Nydam M.D.
Emergency Physician
He is located at 900 East 54th Street North Suite 200 in Sioux Falls, SD 57104. Can help patients with the following: Angina, Fever, General Care, Hematoma, Migraine, Phlebitis and Thrombophlebitis. His National Provider Identifier (NPI) number is 1972714533. Appointment can be made via the phone number (605) 328-9300. He is affiliated with 1 practices.
Conditions treated
Dr. Timothy A. Nydam, being an emergency physician, 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. Timothy A. Nydam.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
Procedures Performed by Dr. Timothy A. Nydam
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Timothy A. Nydam as in-network for the following 2026 plans.
Health plans
Sanford Health Plan
Network data as of Jan 15, 2025, as reported by the insurer.
Show all 16 plans from Sanford Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Sanford Individual Simplicity $1,750 | PPO · Gold | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $3,500 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $4,750 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $6,500 | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $7,200 HSA Qualified | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $2,000 | PPO · Gold | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $6,000 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $7,500 | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual TRUE $1,750 | HMO · Gold | Shptrue | Accepting new patients |
| Sanford Individual TRUE $3,500 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE $4,750 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE $6,500 | HMO · Expanded Bronze | Shptrue | Accepting new patients |
| Sanford Individual TRUE $7,200 HSA Qualified | HMO · Expanded Bronze | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $2,000 | HMO · Gold | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $6,000 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $7,500 | HMO · Expanded Bronze | Shptrue | Accepting new patients |
Wellmark of South Dakota, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from Wellmark of South Dakota, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP EPO HSA Qualified (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Bronze Traditional EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Gold Traditional EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Silver Traditional EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Bronze EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Gold EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Silver EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | 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. Timothy A. Nydam 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. Timothy A. Nydam is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Avera Mckennan
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.
Looking for more Emergency Physicians?
Here are emergency physicians in South Dakota you may want to explore.
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- Address: 401 9th Avenue Northwest Watertown, 57201, SD
- Gender: Male
- Address: 600 West Cedar Street Beresford, 57004, SD
- Gender: Male
- Address: 1305 West 18th Street Sioux Falls, 57117, SD
- Gender: Female
- Address: 1305 West 18th Street Sioux Falls, 57105, SD
- Gender: Female
- Address: 1305 West 18th Street Sioux Falls, 57105, SD
- Gender: Male
- Address: 1305 West 18th Street Sioux Falls, 57105, SD
- Gender: Male
- Address: Emergency Department 800 East 21st Street Sioux Falls, 57105, SD
- Gender: Male
- Address: 305 South State Street Aberdeen, 57401, SD
- Gender: Female
- Address: 1305 West 18th Street Sioux Falls, 57105, SD
- Gender: Female
- Address: 400 Soldier Creek Drive Rosebud, 57570, SD
Questions & Answers
What conditions does Dr. Timothy A. Nydam treat?
Dr. Timothy A. Nydam provides treatment for Angina, Fever, General Care, Hematoma, Migraine, Phlebitis and Thrombophlebitis. For the full list see this list.
Does Dr. Timothy A. Nydam have affiliation with practices?
Dr. Timothy A. Nydam is affiliated with Hutchinson Regional Medical Center Behavioral Health.
Where can you meet with Dr. Timothy A. Nydam?
Dr. Timothy A. Nydam's office is located at 900 East 54th Street North Suite 200 in Sioux Falls, SD 57104.
Does Dr. Timothy A. Nydam accept patients with Wellmark of South Dakota, Inc.?
Yes, Dr. Timothy A. Nydam is listed in-network for Wellmark of South Dakota, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.