Mark Eldon Bontreger, Psychologist

  • Watertown, SD
  • Clinical psychologist
NPI1861505190PAC ID6507850195
Medicare patients, 2024
15
Hospital affiliations
1
State license
1
Year NPI issued
2006
Practice address
401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201
Practice phone
Call (605) 882-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Sanford Health Watertown

Hospital · Watertown, South Dakota

See all 4 affiliations

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Mark Eldon Bontreger is a clinical psychologist in Watertown, South Dakota

Mark Bontreger practices at Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health.

Mark Bontreger's NPI, 1861505190, was assigned on August 17, 2006. Mark Bontreger holds South Dakota license 364.

NPI and contact details
Medicare PAC ID
6507850195
NPI enumeration date
August 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(605) 882-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Mark Eldon Bontreger practices at Sanford Health Watertown in Watertown, South Dakota

Mark Bontreger's primary practice is Sanford Health Watertown, at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 in Codington County. The practice phone is (605) 882-7000.

  • Sanford Health Watertown
    401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 · Codington CountyPhone(605) 882-7000

Source: Dmand AI Affiliation Data

Mark Eldon Bontreger is affiliated with 4 sites of care

Mark Bontreger's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. Dmand AI also links Mark Bontreger to 1 physician office, 1 home health agency and 1 hospice, each named with a free account.

See all 4 affiliations for Mark Bontreger

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mark Eldon Bontreger's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Bontreger practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sanford Health WatertownAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Eldon Bontreger is one of 47 clinical psychologists in South Dakota

Clinical is Mark Bontreger's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Mark Bontreger is licensed in South Dakota.

Specialties and state licenses

  • Clinical psychologist, South DakotaPrimaryLicense 364 · taxonomy 103TC0700X

Clinical psychologists near Mark Bontreger

Counts of clinical psychologists 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

Mark Eldon Bontreger treated 15 Medicare patients in 2024, average age 56

CMS counts 15 Medicare patients who saw Mark Bontreger in 2024. The largest group is 85 and over, with 0 patients. 75% of them have mood disorders, and 73% have anxiety. Their average risk score is 0.79, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mark Bontreger's median patient age at 45, with 22% women.

Medicare patients, 202415
Average age56
Average risk score0.79

Mark Bontreger's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Mark Bontreger's Medicare patients, 2024

  1. Mood disorders75%
  2. Anxiety73%

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

Mark Bontreger's patients across all payers

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

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women22%
  • Men78%

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

How Mark Eldon Bontreger takes part in Medicare

Mark Bontreger 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)

Sources for Mark Eldon Bontreger'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 DataDmand AI Org Hierarchy 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)
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 Mark Eldon Bontreger

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

What is Mark Eldon Bontreger's NPI number?

Mark Eldon Bontreger's NPI number is 1861505190. It was assigned on August 17, 2006, and it is active in the NPI Registry.

What does Mark Eldon Bontreger specialize in?

Mark Eldon Bontreger is a clinical psychologist in Watertown, South Dakota. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).

Where does Mark Eldon Bontreger practice?

Mark Bontreger practices at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201. Mark Bontreger's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. Dmand AI also links Mark Bontreger to 1 physician office, 1 home health agency and 1 hospice.

What is Mark Eldon Bontreger's office phone number?

The practice phone on file for Mark Bontreger is (605) 882-7000.

What is Mark Eldon Bontreger's medical license number?

Mark Bontreger holds South Dakota license 364.

Which hospitals is Mark Eldon Bontreger affiliated with?

Mark Bontreger practices at Sanford Health Watertown in Watertown, South Dakota.

Does Mark Eldon Bontreger accept Medicare?

Yes. CMS lists Mark Bontreger as accepting Medicare assignment.

How many Medicare patients does Mark Eldon Bontreger see?

CMS counts 15 Medicare patients who saw Mark Bontreger in 2024, with an average age of 56.

How long has Mark Eldon Bontreger been practicing?

Mark Bontreger graduated from medical school in 1995, 31 years ago.

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