John Mark Tollerson, DO
Family Medicine Physician · Kalispell, MT
John Mark Tollerson, DO is a family medicine physician with a practice address in Kalispell, Montana, and NPI 1467446773, issued on Sep 1, 2005. Check the license (Montana 11207, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Mark Tollerson
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 11207 MT
OP00002022 WA
Self-reported in NPPES; status is on the state search - Practice location
- 160 Heritage Way Ste 202, Kalispell, MT 59901
- Phone
- (406) 752-8433
- Enumerated
- Sep 1, 2005
- Record last updated
- Oct 27, 2023
- Fax
- (406) 756-6768
- Medicare enrollment
- Enrolled (PECOS I20070906000601); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 160 Heritage Way Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachael Alsbury, FNP-CPrimary Care Nurse Practitioner1265916589
- Jonathan Anderson, MDFamily Medicine Physician1356397533
- Anne Armstrong, PA-CMedical Physician Assistant1972559151
- Brittan Austin-Hammer, PA-CPhysician Assistant1346026036
- Justin Barnett, FNPNurse Practitioner1730842527
- Mae Berentson, NPNurse Practitioner1972558120
Verify John Mark Tollerson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 11207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average family medicine physician in 2024
2,799 Medicare Part D claims for 242 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 213 claims were for opioids.
Most prescribed
- Levothyroxine Sodium147 claims
- Amlodipine Besylate111 claims
- Hydrocodone-Acetaminophen88 claims
- Losartan Potassium86 claims
- Omeprazole80 claims
- Atorvastatin Calcium74 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: $43.26
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kalispell Regional Medical Center IncKalispell, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Mark Tollerson among 775 family medicine physician records in Montana
John Mark Tollerson, DO is one of 775 family medicine physician records with a practice address in Montana. 75% 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, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2007 among the 464 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family medicine physician records list a practice address in Kalispell
They are 47 of the 1,650 NPPES records with a practice address in Kalispell, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Kalispell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jonathan Anderson, MDKalispell, MT 599011356397533
- Charles Dixon, M.D.Kalispell, MT 599011003857111
- Lisa Fleischer, MDKalispell, MT 599011659327120
- Elizabeth Jaffe, MDKalispell, MT 599011306809843
- Kenneth Jonas, MDKalispell, MT 599011063468858
- Tony Lloyd, M.D.Kalispell, MT 599011497732754
- Robert Nitschelm, MDKalispell, MT 599011598719064
- Karen Rickert, DOKalispell, MT 599011699737353
Common questions
What is John Mark Tollerson, DO's NPI number?
John Mark Tollerson, DO's National Provider Identifier (NPI) is 1467446773, issued on Sep 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Mark Tollerson, DO located?
The NPPES record lists a practice address at 160 Heritage Way Ste 202, Kalispell, MT, 59901. Phone: (406) 752-8433. Providers update this record themselves, so call before visiting.
How can I verify John Mark Tollerson, DO's license?
NPPES lists Montana license number 11207, 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 John Mark Tollerson, DO prescribe under Medicare Part D?
In 2024, John Mark Tollerson, DO had 2,799 Medicare Part D claims for 242 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.