Dr. Brian C. Bak
- Gender: Male
- Experience: 35 years
- Graduated from: Northwestern College Of Chiropractic
- Graduation year: 1986
- Sole propriator: Yes
- NPI: 1861532913
Dr. Brian C. Bak DO
Chiropractor
He is located at 1 5th Street Southeast in Watertown, SD 57201. Can help patients with the following: Headache, Herniated Disc, Migraine, Muscle Pain, Neck Pain, Whiplash. His National Provider Identifier (NPI) number is 1861532913. Appointment can be made via the phone number (605) 882-4252. He is affiliated with 1 practices.
Conditions treated
Dr. Brian Clay Bak, being an chiropractor, 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. Brian C. Bak.
- Arthritis
- Back Pain
- Car Accident Injuries
- Carpal Tunnel Syndrome
- Fibromyalgia
- Headache
- Herniated Disc
- Low Back Pain
- Migraine
- Muscle Pain
- Neck Pain
- Scoliosis
- Whiplash
Procedures Performed by Dr. Brian C. Bak
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Brian C. Bak as in-network for the following 2026 plans.
Health plans
Avera Health Plans
Network data as of Jan 23, 2026, as reported by the insurer.
Show all 12 plans from Avera Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| ConnectPlus $0 Gold (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus $0 Silver (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus $10,600 HSA Eligible HDHP (2 plan variants) | PPO · Catastrophic | Commercial | Accepting new patients |
| ConnectPlus $1800 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus $4500 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus $6500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
| ConnectPlus $7500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
| ConnectPlus MyWeighForward $2000 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus MyWeighForward $6000 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus Standard $2000 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus Standard $6000 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus Standard $7500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
Sanford Health Plan
Network data as of Jul 30, 2018, as reported by the insurer.
Show all 8 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 |
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. Brian C. Bak 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. Brian C. Bak is enrolled to bill Medicare as a Practitioner - Chiropractic .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- WATERTOWN, SD, 57201-3714
Bills through: Bak Chiropractic Pc
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.
Studies
NORTHWESTERN COLLEGE OF CHIROPRACTIC
Graduated in 1986
Looking for more Chiropractors?
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- Address: 15 1st Avenue Southeast Watertown, 57201, SD
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- Address: 810 10th Street Southwest Watertown, 57201, SD
Questions & Answers
Does Dr. Brian Clay Bak have affiliation with practices?
Dr. Brian Clay Bak is affiliated with Bak Chiropractic.
Where can you meet with Dr. Brian Clay Bak?
Dr. Brian Clay Bak's office is located at 1 5th Street Southeast in Watertown, SD 57201.
What conditions does Dr. Brian Clay Bak treat?
Dr. Brian Clay Bak provides treatment for Headache, Herniated Disc, Migraine, Muscle Pain, Neck Pain, Whiplash. For the full list see this list.
Does Dr. Brian Clay Bak accept patients with Sanford Health Plan?
Yes, Dr. Brian Clay Bak is listed in-network for Sanford Health Plan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.