Registry data as of Aug 27, 2026

Jeffrey Tjaden, M.D. M.P.H.

Infectious Disease Physician · Bozeman, MT

Jeffrey Tjaden, M.D. M.P.H. is an infectious disease physician with a practice address in Bozeman, Montana, and NPI 1164583373, issued on Dec 12, 2006. Check the license (Montana 8294, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1164583373
Name
Jeffrey Tjaden
Credential
M.D. M.P.H.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
8294 MT
Self-reported in NPPES; status is on the state search
Practice location
937 Highland Blvd Ste 5120, Bozeman, MT 59715
Phone
(406) 414-4210
Enumerated
Dec 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 937 Highland Blvd Ste 5120

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

  1. Peter Bulger, MDInternal Medicine Physician1295157642
  2. Jessika Hinz, DOInfectious Disease Physician1316171127
  3. Susan Meyer, PA-CPhysician Assistant1023526720
  4. Benedict Painter, MDInfectious Disease Physician1154314839

Verify Jeffrey Tjaden 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 8294
    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.

5% more Medicare Part D claims than the average infectious disease physician in 2024

848 Medicare Part D claims for 127 beneficiaries, against an average of 807 among the 5,613 providers of this specialty who prescribed in Part D.

  1. Jeffrey Tjaden848
  2. Specialty average807

Most prescribed

  1. Methenamine Hippurate144 claims
  2. Doxycycline Hyclate117 claims
  3. Biktarvy77 claims
  4. Cephalexin73 claims
  5. Fluconazole33 claims
  6. Sulfamethoxazole-Trimethoprim31 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: $14.85

1 payment, mostly food and beverage; the largest payer was Abbott Laboratories. The 3,057 providers of this specialty with any payment received $4,644.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Tjaden$14.85
  2. Specialty average$4,644.86

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

One hospital or facility affiliation

  1. Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Infectious Disease Physician providers in Montana

There are 20 infectious disease physician records in Montana.

Other infectious disease physician records in Montana

  1. Anne Anglim, M.D.Helena, MT1487680534
  2. Joshua Christensen, MDMissoula, MT1316093917
  3. David Christiansen, M.D.Missoula, MT1811056336
  4. Raymond Geyer, DOGreat Falls, MT1851392732
  5. David Graham, MDBillings, MT1962425868
  6. Jessika Hinz, DOBozeman, MT1316171127
  7. Tsun KuBillings, MT1659584738
  8. Davis MannBillings, MT1578069498
  9. Vijay Kumar Mulakalapalli, MDGreat Falls, MT1730924184
  10. Benedict Painter, MDBozeman, MT1154314839

Common questions

What is Jeffrey Tjaden, M.D. M.P.H.'s NPI number?

Jeffrey Tjaden, M.D. M.P.H.'s National Provider Identifier (NPI) is 1164583373, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Tjaden, M.D. M.P.H. located?

The NPPES record lists a practice address at 937 Highland Blvd Ste 5120, Bozeman, MT, 59715. Phone: (406) 414-4210. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Tjaden, M.D. M.P.H.'s license?

NPPES lists Montana license number 8294, 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 Jeffrey Tjaden, M.D. M.P.H. prescribe under Medicare Part D?

In 2024, Jeffrey Tjaden, M.D. M.P.H. had 848 Medicare Part D claims for 127 beneficiaries; the average among infectious disease physician prescribers was 807. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.