NPPES file of Aug 9, 2026

David Christianson, M.D.

Hematology & Oncology Physician · Billings, MT

David Christianson, M.D. is a hematology & oncology physician with a practice address in Billings, Montana, and NPI 1770565871, issued on Nov 16, 2005. Check the license (Montana 10533, 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
1770565871
Name
David Christianson
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
10533 MT
7008A WY
Self-reported in NPPES; status is on the state search
Practice location
1315 Golden Valley Cir, Billings, MT 59102
Phone
(406) 238-6290
Enumerated
Nov 16, 2005
Record last updated
Sep 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(406) 238-6961
Medicaid IDs
0079237 MT
119842400 WY
Medicare enrollment
Enrolled (PECOS I20040819001590); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1993
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 44 in Montana → Look up another NPI →

Also registered at 1315 Golden Valley Cir

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

  1. Carrie Barnhart, PHARMDOncology Pharmacist1902584857
  2. Patrick Cobb, M.D.Hematology & Oncology Physician1710968219
  3. Troy Fiddler, M.D.Hematology & Oncology Physician1730130311
  4. Aidan Guthridge, PHARMDOncology Pharmacist1609536804
  5. Erin Juedeman, RPHOncology Pharmacist1114870219
  6. Frank Lamm, MDRadiation Oncology Physician1417949033

Verify David Christianson 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 10533    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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3.4 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,939 Medicare Part D claims for 347 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 193 claims were for opioids.

  1. David Christianson2,939
  2. Specialty average877

Most prescribed

  1. Prednisone160 claims
  2. Acyclovir139 claims
  3. Anastrozole139 claims
  4. Potassium Chloride128 claims
  5. Gabapentin123 claims
  6. Levothyroxine Sodium108 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 2 group practices

  1. Scl Health Medical Group - Billings LLCLewistown, MT
  2. Scl Health MontanaBillings, MT

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

David Christianson among 44 hematology & oncology physician records in Montana

David Christianson, M.D. is one of 44 hematology & oncology physician records with a practice address in Montana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1993 · median 2000 among the 28 with a school on file
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Montana

There are 44 hematology & oncology physician records in Montana.

All 44 in Montana → Every provider in Billings → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Patrick Cobb, M.D.Billings, MT 591021710968219
  2. Troy Fiddler, M.D.Billings, MT 591021730130311
  3. Roy Hall, M.D.Billings, MT 591021417953019
  4. Martin Lucas, M.D.Billings, MT 591021881676971
  5. Michael Kidd, M.D.Billings, MT 591011093940736
  6. Roger Santala, MDBillings, MT 591011396828059
  7. Brock Whittenberger, MDBillings, MT 591011033293444
  8. Aaron Franke, M.D.Sidney, MT 592701730568403

Common questions

What is David Christianson, M.D.'s NPI number?

David Christianson, M.D.'s National Provider Identifier (NPI) is 1770565871, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David Christianson, M.D. located?

The NPPES record lists a practice address at 1315 Golden Valley Cir, Billings, MT, 59102. Phone: (406) 238-6290. Providers update this record themselves, so call before visiting.

How can I verify David Christianson, M.D.'s license?

NPPES lists Montana license number 10533, 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 David Christianson, M.D. prescribe under Medicare Part D?

In 2024, David Christianson, M.D. had 2,939 Medicare Part D claims for 347 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.