NPPES file of Aug 9, 2026

Joeleen Ottun Cox, D.C.

Chiropractor · Billings, MT

Joeleen Ottun Cox, D.C. is a chiropractor with a practice address in Billings, Montana, and NPI 1720073661, issued on Sep 16, 2005. Check the license (Montana 955, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1720073661
Name
Joeleen Ottun Cox
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
955 MT
Self-reported in NPPES; status is on the state search
Practice location
1643 24TH St W, Billings, MT 59102
Phone
(406) 259-9383
Enumerated
Sep 16, 2005
Record last updated
Jan 20, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(406) 294-2822
Medicaid IDs
0164356 MT
0164359 MT
Medicare enrollment
Enrolled (PECOS I20100122000071); accepts Medicare assignment
Medical or professional school
Northwestern College Of Chiropractic, 2000
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 1643 24TH St W

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

  1. Jeremy Deherrera, D.C.Chiropractor1306240080
  2. Andrea Fiscus, PH.D.Clinical Psychologist1356343842
  3. Noel Hoklin, D.C.Orthopedic Chiropractor1306821897
  4. Shila Johnson, LAC, LCPCProfessional Counselor1164801858
  5. Patricia Nichols, LCPCMental Health Counselor1063557296

Verify Joeleen Ottun Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 955
    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
Find 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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Joeleen Ottun Cox among 474 chiropractor records in Montana

Joeleen Ottun Cox, D.C. is one of 474 chiropractor records with a practice address in Montana. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileNo · 27% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2000 · median 2007 among the 267 with a school on file
  • Record last updated2014 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 chiropractor records list a practice address in Billings

They are 59 of the 4,035 NPPES records with a practice address in Billings, and 474 chiropractor records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. Jason Aguayo, D.C.Billings, MT 591021639117286
  2. Karlene Berish, DCBillings, MT 591021255323218
  3. Cathleen Fellows, DCBillings, MT 591021902986425
  4. Grey Gardner, DCBillings, MT 591021750339164
  5. Mark Haynes, DCBillings, MT 591021013933001
  6. Greg Kaye, D.C.Billings, MT 591021093815631
  7. Robert Larson, DCBillings, MT 591021780787929
  8. Kimberly Meier, DCBillings, MT 591021871664128

Common questions

What is Joeleen Ottun Cox, D.C.'s NPI number?

Joeleen Ottun Cox, D.C.'s National Provider Identifier (NPI) is 1720073661, issued on Sep 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joeleen Ottun Cox, D.C. located?

The NPPES record lists a practice address at 1643 24TH St W, Billings, MT, 59102. Phone: (406) 259-9383. Providers update this record themselves, so call before visiting.

How can I verify Joeleen Ottun Cox, D.C.'s license?

NPPES lists Montana license number 955, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity 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. 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.