NPPES file of Aug 9, 2026

Duane Eugene Teerink, D.O.

Family Medicine Physician · Billings, MT

Duane Eugene Teerink, D.O. is a family medicine physician with a practice address in Billings, Montana, and NPI 1043255441, issued on Jun 19, 2006. Check the license (Montana 110806, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043255441
Name
Duane Eugene Teerink
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
110806 MT
Self-reported in NPPES; status is on the state search
Practice location
602 Henry Chapple St, Billings, MT 59106
Phone
(406) 901-2300
Enumerated
Jun 19, 2006
Record last updated
May 5, 2025
Fax
(406) 206-6162
Medicare enrollment
Enrolled (PECOS I20060803000101); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 602 Henry Chapple St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy Gomendi, RNFamily Nurse Practitioner1366196446
  2. Kelsie Groff, APRNNurse Practitioner1194426759
  3. Kristin Hartman, PASurgical Physician Assistant1962937920
  4. Lauren Larson, PA-CPhysician Assistant1679353122
  5. Tish Parker, FNP-CNurse Practitioner1023371929

Verify Duane Eugene Teerink in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 110806
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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50% fewer Medicare Part D claims than the average family medicine physician in 2024

1,759 Medicare Part D claims for 217 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 79 claims were for opioids.

  1. Duane Teerink1,759
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium107 claims
  2. Losartan Potassium95 claims
  3. Lisinopril88 claims
  4. Amlodipine Besylate86 claims
  5. Levothyroxine Sodium67 claims
  6. Omeprazole61 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $151.48

2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Duane Teerink$151.48
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Scl Health Medical Group - Billings LLCBillings, MT
  2. Yellowstone City-County Health DeptBillings, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Duane Eugene Teerink among 775 family medicine physician records in Montana

Duane Eugene Teerink, D.O. is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 50% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2003 · median 2007 among the 464 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

111 family medicine physician records list a practice address in Billings

They are 111 of the 4,035 NPPES records with a practice address in Billings, and 775 family medicine physician records in Montana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Julie Reil, MDBillings, MT 591061386681872
  2. Edwin Rodriguez, M.D.Billings, MT 591061538162003
  3. Cameron Grove, MDBillings, MT 591051477659381
  4. Glenn Guzman, MDBillings, MT 591051760594725
  5. Spencer Hegerhorst, DOBillings, MT 591051093465692
  6. Daniel Junco, DOBillings, MT 591051043711864
  7. Seth Larson, D.O.Billings, MT 591051780038026
  8. Robert Nichols, MDBillings, MT 591051538102983

Common questions

What is Duane Eugene Teerink, D.O.'s NPI number?

Duane Eugene Teerink, D.O.'s National Provider Identifier (NPI) is 1043255441, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Duane Eugene Teerink, D.O. located?

The NPPES record lists a practice address at 602 Henry Chapple St, Billings, MT, 59106. Phone: (406) 901-2300. Providers update this record themselves, so call before visiting.

How can I verify Duane Eugene Teerink, D.O.'s license?

NPPES lists Montana license number 110806, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Duane Eugene Teerink, D.O. prescribe under Medicare Part D?

In 2024, Duane Eugene Teerink, D.O. had 1,759 Medicare Part D claims for 217 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.