NPPES file of Aug 9, 2026

Tyajean Olive Campbell, MD

Internal Medicine Physician · Billings, MT

Tyajean Olive Campbell, MD is an internal medicine physician with a practice address in Billings, Montana, and NPI 1871097238, issued on Mar 21, 2018. Check the license (Montana MED-PHYS-LIC-100286, 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
1871097238
Name
Tyajean Olive Campbell
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MED-PHYS-LIC-100286 MT
MED-RES-LIC-67462 MT
Self-reported in NPPES; status is on the state search
Practice location
1233 N 30TH St, Billings, MT 59101
Phone
(406) 237-3850
Enumerated
Mar 21, 2018
Record last updated
Aug 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210819000732); 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.
Download card Updates feed

Also registered at 1233 N 30TH St

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

  1. Abigail AgatepPharmacist1285505024
  2. Carole Anderson, NNP-BCNeonatal Nurse Practitioner1255617742
  3. Ty Anderson, MDEmergency Medicine Physician1043889033
  4. William Anderson, MDPhysical Medicine & Rehabilitation Physician1730125006
  5. Dean Angell, RNFlight Registered Nurse1265718183
  6. Charles Aragon, M.D.Anesthesiology Physician1093782591

Verify Tyajean Olive Campbell 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-100286
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average internal medicine physician in 2024

326 Medicare Part D claims for 142 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Tyajean Campbell326
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium30 claims
  2. Cefuroxime21 claims
  3. Metoprolol Succinate19 claims
  4. Atorvastatin Calcium17 claims
  5. Prednisone15 claims
  6. Furosemide12 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.

Bills Medicare through one group practice

  1. Cogent Healthcare OF Montana P CGreat Falls, MT

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

80 internal medicine physician records list a practice address in Billings

They are 80 of the 4,035 NPPES records with a practice address in Billings, and 324 internal medicine physician records in Montana.

Other internal medicine physician records in Montana

  1. Ryan Adams, MDMissoula, MT1790952653
  2. Timothy Adams, MDBozeman, MT1891706537
  3. Dee Althouse, MDHavre, MT1578776118
  4. Faust Alvarez, MDHelena, MT1962516070
  5. Rebecca Anderson, MDMissoula, MT1437173440
  6. Yee Chuan Ang, M.D.Billings, MT1104138668
  7. Faranak Argani, MDBillings, MT1558475954
  8. Janet Armstrong, M.D.Glasgow, MT1215949557
  9. Susan Askin, MDFort Harrison, MT1588771604
  10. James Attarian, MDBozeman, MT1144209198

Common questions

What is Tyajean Olive Campbell, MD's NPI number?

Tyajean Olive Campbell, MD's National Provider Identifier (NPI) is 1871097238, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tyajean Olive Campbell, MD located?

The NPPES record lists a practice address at 1233 N 30TH St, Billings, MT, 59101. Phone: (406) 237-3850. Providers update this record themselves, so call before visiting.

How can I verify Tyajean Olive Campbell, MD's license?

NPPES lists Montana license number MED-PHYS-LIC-100286, 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 Tyajean Olive Campbell, MD prescribe under Medicare Part D?

In 2024, Tyajean Olive Campbell, MD had 326 Medicare Part D claims for 142 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.