Peter Wagner, MD
Hematology & Oncology Physician · Kalispell, MT
Peter Wagner, MD is a hematology & oncology physician with a practice address in Kalispell, Montana, and NPI 1245440841, issued on May 23, 2007. Check the license (Montana 12637, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Peter Wagner
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 12637 MT
Self-reported in NPPES; status is on the state search - Practice location
- 350 Heritage Way, Kalispell, MT 59901
- Phone
- (406) 752-8900
- Enumerated
- May 23, 2007
- Record last updated
- Nov 27, 2023
- Fax
- (406) 752-8909
- Medicaid ID
- 04208790 CO
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 44 in Montana → Look up another NPI →
Also registered at 350 Heritage Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Adams, M.D.Urology Physician1366659476
- Mary Adams, APRN, BCAdult Health Nurse Practitioner1679511547
- Elise Anderes, MDHematology & Oncology Physician1558535997
- James Blasingame, MDOrthopaedic Surgery Physician1477509198
- William Boehme, MDHematology & Oncology Physician1215022769
- Anthony Dal Nogare, MDPulmonary Disease Physician1811966393
Verify Peter Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 12637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
779 Medicare Part D claims for 172 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Anastrozole206 claims
- Eliquis42 claims
- Dexamethasone38 claims
- Acyclovir34 claims
- Ondansetron Hcl31 claims
- Sulfamethoxazole-Trimethoprim27 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.
Peter Wagner among 44 hematology & oncology physician records in Montana
Peter Wagner, MD 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 2007, is newer than 64% of them.
- NPI issued2007 · 64% of these records are older, 27% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2023 · 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 Kalispell → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Elise Anderes, MDKalispell, MT 599011558535997
- William Boehme, MDKalispell, MT 599011215022769
- Karen Hunt, MDKalispell, MT 599011861587339
- Kyle KondratKalispell, MT 599011134626369
- Ryan Roop, MDKalispell, MT 599011457541799
- John Ward, MDKalispell, MT 599011700971272
- Patrick Beatty, MDMissoula, MT 598021609803543
- John Linford, M.D.Missoula, MT 598021396949244
Common questions
What is Peter Wagner, MD's NPI number?
Peter Wagner, MD's National Provider Identifier (NPI) is 1245440841, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Wagner, MD located?
The NPPES record lists a practice address at 350 Heritage Way, Kalispell, MT, 59901. Phone: (406) 752-8900. Providers update this record themselves, so call before visiting.
How can I verify Peter Wagner, MD's license?
NPPES lists Montana license number 12637, 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 Peter Wagner, MD prescribe under Medicare Part D?
In 2024, Peter Wagner, MD had 779 Medicare Part D claims for 172 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.
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.