John S. Nelson, DC

  • Spearfish, SD
  • Chiropractor
NPI1356355853PAC ID4183808280
Medicare patients, 2026
119
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
1930 N Ave, Spearfish, SD 57783-2913
Practice phone
Call (605) 642-5196
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Nelson Chiropractic Clinic

Chiropractic practice · Spearfish, South Dakota

See all 2 affiliations

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John S. Nelson is a chiropractor in Spearfish, South Dakota

John Nelson practices at Nelson Chiropractic Clinic in Spearfish, South Dakota.

John Nelson's NPI, 1356355853, was assigned on July 28, 2006. John Nelson graduated from Northwestern College of Chiropractic in 1976. John Nelson holds South Dakota license SD-555.

NPI and contact details
Medicare PAC ID
4183808280
NPI enumeration date
July 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(605) 642-5196
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

John S. Nelson practices at Nelson Chiropractic Clinic in Spearfish, South Dakota

John Nelson's primary practice is Nelson Chiropractic Clinic, at 1930 N Ave, Spearfish, SD 57783-2913. The practice phone is (605) 642-5196.

  • Nelson Chiropractic Clinic
    1930 N Ave, Spearfish, SD 57783-2913Phone(605) 642-5196

Source: Dmand AI Affiliation Data

John S. Nelson is affiliated with 1 site of care and 1 medical group

John Nelson's primary practice is Nelson Chiropractic Clinic in Spearfish, South Dakota. Dmand AI also links John Nelson to 1 medical group, named with a free account.

Nelson Chiropractic ClinicChiropractic practice · Spearfish, South DakotaPrimary
1 medical groupName with a free account
See all 2 affiliations for John Nelson

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John S. Nelson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Nelson practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Nelson Chiropractic ClinicAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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John S. Nelson is one of 374 chiropractors in South Dakota

Chiropractor is John Nelson's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John Nelson is licensed in South Dakota.

Specialties and state licenses

  • Chiropractor, South DakotaPrimaryLicense SD-555 · taxonomy 111N00000X

Chiropractors near John Nelson

Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.

374chiropractors in South Dakota
9chiropractors in Spearfish

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

John S. Nelson treated 119 Medicare patients in 2026, average age 72

CMS counts 119 Medicare patients who saw John Nelson in 2026. The largest group is 65 to 74, with 86 patients. 51% of them have high blood pressure, and 50% have high cholesterol. Their average risk score is 0.66, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Nelson's median patient age at 72, with 42% women.

Medicare patients, 2026119
Average age72
Average risk score0.66

John Nelson's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

John Nelson's Medicare patients by sex, 2026

  • Women6151%
  • Men5849%

Chronic conditions among John Nelson's Medicare patients, 2026

  1. High blood pressure51%
  2. High cholesterol50%
  3. Arthritis40%
  4. Osteoporosis23%
  5. Diabetes13%
  6. Ischemic heart disease13%
  7. Cancer11%
  8. Mood disorders10%

Share of Medicare patients with each condition. A patient can have several.

John Nelson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women42%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How John S. Nelson takes part in Medicare

John Nelson 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)

John S. Nelson graduated from Northwestern College of Chiropractic

John Nelson graduated from Northwestern College of Chiropractic in 1976.

  1. Medical schoolNorthwestern College of Chiropractic

Source: Dmand AI Professional Profile Data

Sources for John S. Nelson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about John S. Nelson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John S. Nelson's NPI number?

John S. Nelson's NPI number is 1356355853. It was assigned on July 28, 2006, and it is active in the NPI Registry.

What does John S. Nelson specialize in?

John S. Nelson is a chiropractor in Spearfish, South Dakota. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does John S. Nelson practice?

John Nelson practices at 1930 N Ave, Spearfish, SD 57783-2913. John Nelson's primary practice is Nelson Chiropractic Clinic in Spearfish, South Dakota. Dmand AI also links John Nelson to 1 medical group, and a free account names each one.

What is John S. Nelson's office phone number?

The practice phone on file for John Nelson is (605) 642-5196. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is John S. Nelson's email address?

Dmand AI checks professional and personal email addresses for John Nelson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is John S. Nelson's medical license number?

John Nelson holds South Dakota license SD-555.

What medical group is John S. Nelson part of?

Dmand AI links John Nelson to 1 medical group. A free account names the group, with the clinicians and leaders there.

Who does John S. Nelson practice with?

Dmand AI links 3 HCPs to John Nelson's primary medical group. A free account lists them, with verified contacts.

Does John S. Nelson accept Medicare?

Yes. CMS lists John Nelson as accepting Medicare assignment.

How many Medicare patients does John S. Nelson see?

CMS counts 119 Medicare patients who saw John Nelson in 2026, with an average age of 72.

Show 3 more questionsShow fewer questions

Where did John S. Nelson go to medical school?

John Nelson graduated from Northwestern College of Chiropractic in 1976.

How long has John S. Nelson been practicing?

John Nelson graduated from medical school in 1976, 50 years ago.

What EHR does John S. Nelson's practice use?

Dmand AI tracks the EHR system at Nelson Chiropractic Clinic and at 1 medical group. The vendor and product are available with a free Dmand AI account.

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