Dennis Jay Willert, DC
- Medicare patients, 2026
- 54
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 405 Main Ave, Brookings, SD 57006
- Practice phone
- Call (605) 692-0123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Willert Wellness & Chiropractic
Chiropractic practice · Brookings, South Dakota
Find Dennis Willert'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.
Dennis Jay Willert is a chiropractor in Brookings, South Dakota
Dennis Willert practices at Willert Wellness & Chiropractic in Brookings, South Dakota.
Dennis Willert's NPI, 1467420752, was assigned on March 10, 2006. Dennis Willert graduated from Palmer College Chiropractic - Davenport in 2005. Dennis Willert holds Iowa license 06857.
- NPI
- 1467420752NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204918543
- NPI enumeration date
- March 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 692-0123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dennis Jay Willert practices at Willert Wellness & Chiropractic in Brookings, South Dakota
Dennis Willert's primary practice is Willert Wellness & Chiropractic, at 405 Main Ave, Brookings, SD 57006. The practice phone is (605) 692-0123.
- Willert Wellness & Chiropractic405 Main Ave, Brookings, SD 57006Phone(605) 692-0123
Source: Dmand AI Affiliation Data
Dennis Jay Willert is affiliated with 1 site of care and 1 medical group
Dennis Willert's primary practice is Willert Wellness & Chiropractic in Brookings, South Dakota. Dmand AI also links Dennis Willert to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dennis Jay Willert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dennis Willert practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Willert Wellness & Chiropractic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dennis Jay Willert is one of 374 chiropractors in South Dakota
Chiropractor is Dennis Willert's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dennis Willert is licensed in Iowa.
Specialties and state licenses
- Chiropractor, IowaPrimary
Chiropractors near Dennis Willert
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
Dennis Jay Willert treated 54 Medicare patients in 2026, average age 72
CMS counts 54 Medicare patients who saw Dennis Willert in 2026. The largest group is 65 to 74, with 36 patients. 57% of them have high blood pressure, and 52% have high cholesterol. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dennis Willert's median patient age at 38, with 54% women.
Dennis Willert's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dennis Willert's Medicare patients by sex, 2026
- Women2954%
- Men2546%
Chronic conditions among Dennis Willert's Medicare patients, 2026
- High blood pressure57%
- High cholesterol52%
- Arthritis37%
- Depression22%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dennis Willert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Dennis Jay Willert takes part in Medicare
Dennis Willert 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)
Dennis Jay Willert graduated from Palmer College Chiropractic - Davenport
Dennis Willert graduated from Palmer College Chiropractic - Davenport in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dennis Jay Willert'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 Dennis Jay Willert
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dennis Jay Willert's NPI number?
Dennis Jay Willert's NPI number is 1467420752. It was assigned on March 10, 2006, and it is active in the NPI Registry.
What does Dennis Jay Willert specialize in?
Dennis Jay Willert is a chiropractor in Brookings, South Dakota. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Dennis Jay Willert practice?
Dennis Willert practices at 405 Main Ave, Brookings, SD 57006. Dennis Willert's primary practice is Willert Wellness & Chiropractic in Brookings, South Dakota. Dmand AI also links Dennis Willert to 1 medical group, and a free account names each one.
What is Dennis Jay Willert's office phone number?
The practice phone on file for Dennis Willert is (605) 692-0123. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dennis Jay Willert's email address?
Dmand AI checks professional and personal email addresses for Dennis Willert through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dennis Jay Willert's medical license number?
Dennis Willert holds Iowa license 06857.
What medical group is Dennis Jay Willert part of?
Dmand AI links Dennis Willert to 1 medical group. A free account names the group, with the clinicians and leaders there.
Who does Dennis Jay Willert practice with?
Dmand AI links 3 HCPs to Dennis Willert's primary medical group. A free account lists them, with verified contacts.
Does Dennis Jay Willert accept Medicare?
Yes. CMS lists Dennis Willert as accepting Medicare assignment.
How many Medicare patients does Dennis Jay Willert see?
CMS counts 54 Medicare patients who saw Dennis Willert in 2026, with an average age of 72.
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Where did Dennis Jay Willert go to medical school?
Dennis Willert graduated from Palmer College Chiropractic - Davenport in 2005.
How long has Dennis Jay Willert been practicing?
Dennis Willert graduated from medical school in 2005, 21 years ago.
What EHR does Dennis Jay Willert's practice use?
Dmand AI tracks the EHR system at Willert Wellness & Chiropractic and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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