NPPES file of Aug 9, 2026

Kari Linnea Bates, DO

Obstetrics & Gynecology Physician · Billings, MT

Kari Linnea Bates, DO is an obstetrics & gynecology physician with a practice address in Billings, Montana, and NPI 1679000954, issued on May 17, 2017. Check the license (Montana MED-PHYS-LIC-98130, 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
1679000954
Name
Kari Linnea Bates
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MED-PHYS-LIC-98130 MT
Self-reported in NPPES; status is on the state search
Practice location
1611 Zimmerman Trl, Billings, MT 59102
Phone
(406) 248-3607
Enumerated
May 17, 2017
Record last updated
Aug 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210825003144); may accept 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 1611 Zimmerman Trl

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

  1. Aimee Alvord-Brown, PA-CMedical Physician Assistant1669632642
  2. Lindsay Cantwell, DNP, FNP-CNurse Practitioner1023608619
  3. Kyla Carlson, D.O.Obstetrics & Gynecology Physician1952517591
  4. Dona Dahl, M.D.Obstetrics Physician1649205451
  5. Douglas Ezell, M.D.Obstetrics & Gynecology Physician1710912514
  6. Halfdan Forseth, M.D.Obstetrics & Gynecology Physician1366473001

Verify Kari Linnea Bates 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 MED-PHYS-LIC-98130
    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

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74% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

43 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kari Bates43
  2. Specialty average165

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: $2,042.49

18 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kari Bates$2,042.49
  2. Specialty average$1,030.61

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

Bills Medicare through one group practice

  1. Billings OB-Gyn Associates PCBillings, MT

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

Obstetrics & Gynecology Physician providers in Montana

There are 125 obstetrics & gynecology physician records in Montana.

Other obstetrics & gynecology physician records in Montana

  1. Chad Abbey, DOBillings, MT1336346568
  2. Elise Abicht, MDMissoula, MT1497071054
  3. Silddy Atilano, M.D.Bozeman, MT1023374170
  4. Jennifer Austin, D.O.Anaconda, MT1083823520
  5. Sandra Bailey, D.O.Great Falls, MT1396772067
  6. Shawn Barrong, M.D.Kalispell, MT1497775837
  7. Paul Baumgartner, M.D.Missoula, MT1164816435
  8. Tondy Baumgartner, M.D.Missoula, MT1326429325
  9. Thomas Baumgartner, Md PcMissoula, MT1497712764
  10. Dennis Beach, MDWhitefish, MT1205931292

Common questions

What is Kari Linnea Bates, DO's NPI number?

Kari Linnea Bates, DO's National Provider Identifier (NPI) is 1679000954, issued on May 17, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kari Linnea Bates, DO located?

The NPPES record lists a practice address at 1611 Zimmerman Trl, Billings, MT, 59102. Phone: (406) 248-3607. Providers update this record themselves, so call before visiting.

How can I verify Kari Linnea Bates, DO's license?

NPPES lists Montana license number MED-PHYS-LIC-98130, 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 Kari Linnea Bates, DO prescribe under Medicare Part D?

In 2024, Kari Linnea Bates, DO had 43 Medicare Part D claims for 16 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.