Dr. Brian Clay Bak, DO
- Medicare patients, 2026
- 16
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1 5th St Se, Watertown, SD 57201-3714
- Practice phone
- Call (605) 882-4252
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bak Chiropractic
Physician office · Watertown, South Dakota
Find Dr. Bak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brian Clay Bak is a chiropractor in Watertown, South Dakota
Dr. Bak practices at Bak Chiropractic in Watertown, South Dakota.
Dr. Bak's NPI, 1861532913, was assigned on February 7, 2007. Dr. Bak graduated from Northwestern College of Chiropractic in 1986. Dr. Bak holds South Dakota license 687.
- NPI
- 1861532913NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193854131
- NPI enumeration date
- February 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 882-4252
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Clay Bak practices at Bak Chiropractic in Watertown, South Dakota
Dr. Bak's primary practice is Bak Chiropractic, at 1 5th St Se, Watertown, SD 57201-3714. The practice phone is (605) 882-4252.
- Bak Chiropractic1 5th St Se, Watertown, SD 57201-3714Phone(605) 882-4252
Source: Dmand AI Affiliation Data
Dr. Brian Clay Bak is affiliated with 1 site of care
Dr. Bak's primary practice is Bak Chiropractic in Watertown, South Dakota.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brian Clay Bak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bak Chiropractic | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Clay Bak is one of 374 chiropractors in South Dakota
Chiropractor is Dr. Bak's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dr. Bak is licensed in South Dakota.
Specialties and state licenses
- Chiropractor, South DakotaPrimary
Chiropractors near Dr. Bak
Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brian Clay Bak treated 16 Medicare patients in 2026, average age 67
CMS counts 16 Medicare patients who saw Dr. Bak in 2026. The largest group is 85 and over, with 0 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.70, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bak's median patient age at 69, with 38% women.
Dr. Bak's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Bak's Medicare patients, 2026
- Arthritis75%
- High cholesterol75%
- High blood pressure69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Dr. Brian Clay Bak takes part in Medicare
Dr. Bak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Clay Bak graduated from Northwestern College of Chiropractic
Dr. Bak graduated from Northwestern College of Chiropractic in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Clay Bak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian Clay Bak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brian Clay Bak's NPI number?
Dr. Brian Clay Bak's NPI number is 1861532913. It was assigned on February 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Clay Bak?
Dr. Brian Clay Bak is a chiropractor in Watertown, South Dakota. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Dr. Brian Clay Bak practice?
Dr. Bak practices at 1 5th St Se, Watertown, SD 57201-3714. Dr. Bak's primary practice is Bak Chiropractic in Watertown, South Dakota.
What is Dr. Brian Clay Bak's office phone number?
The practice phone on file for Dr. Bak is (605) 882-4252. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Brian Clay Bak's email address?
Dmand AI checks professional and personal email addresses for Dr. Bak through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Brian Clay Bak's medical license number?
Dr. Bak holds South Dakota license 687.
Does Dr. Brian Clay Bak accept Medicare?
Yes. CMS lists Dr. Bak as accepting Medicare assignment.
How many Medicare patients does Dr. Brian Clay Bak see?
CMS counts 16 Medicare patients who saw Dr. Bak in 2026, with an average age of 67.
Where did Dr. Brian Clay Bak go to medical school?
Dr. Bak graduated from Northwestern College of Chiropractic in 1986.
How long has Dr. Brian Clay Bak been practicing?
Dr. Bak graduated from medical school in 1986, 40 years ago.
What EHR does Dr. Brian Clay Bak's practice use?
Dmand AI tracks the EHR system at Bak Chiropractic. The vendor and product are available with a free Dmand AI account.
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