Randall Mack, PA-C
Physician Assistant · Plains, MT
Randall Mack, PA-C is a physician assistant with a practice address in Plains, Montana, and NPI 1346356359, issued on Aug 22, 2006. Check the license (Montana MED-PAC-LIC-190, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Randall Mack
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- MED-PAC-LIC-190 MT
PA60595202 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Kruger Road, Plains, MT 59859
- Phone
- (406) 826-4800
- Enumerated
- Aug 22, 2006
- Entity
- Type 1 · individual
Also registered at 10 Kruger Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Madden, NPNurse Practitioner1417424854
- Gwenna Olson, CRNA, RNCritical Care Medicine Registered Nurse1689272478
- Barbara Steward, DOFamily Medicine Physician1255950143
- Kathryn Whipple-Kilmer, PSYDClinical Psychologist1982981940
Verify Randall Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license MED-PAC-LIC-190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.2 times the Medicare Part D claims of the average physician assistant in 2024
2,630 Medicare Part D claims for 194 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 72 claims were for opioids.
Most prescribed
- Lisinopril154 claims
- Atorvastatin Calcium152 claims
- Levothyroxine Sodium148 claims
- Amlodipine Besylate124 claims
- Omeprazole90 claims
- Gabapentin85 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.
2 hospital and facility affiliations
- Plains Hospital CorporationPlains, MT
- Providence St Joseph Medical CenterPolson, MT · Critical Access Hospitals
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.
4 physician assistant records list a Plains practice address
They are 4 of the 50 NPPES records with a Plains practice address, and 739 physician assistant records in Montana.
All 4 in Plains → All 739 in Montana → Every provider in Plains →
Other physician assistant records in Montana
- Patrick Alduenda, PA-CHelena, MT1710967724
- Jesse Alfiero, PA-CRonan, MT1396491155
- Robert Alfiero, PA-CRonan, MT1417029059
- Janel Allison-Shamblin, PA-CBozeman, MT1437626751
- Luke Altenhofen, PA-CLame Deer, MT1407221708
- Alexandra AlthofBillings, MT1487338034
- Jessica Amsden, PACBillings, MT1053351411
- Brenda Anderson, PA-CKalispell, MT1912145467
- Jessica Anderson, PA-CBozeman, MT1417115791
- Molly Anderson, PA-CMissoula, MT1750797676
Common questions
What is Randall Mack, PA-C's NPI number?
Randall Mack, PA-C's National Provider Identifier (NPI) is 1346356359, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Randall Mack, PA-C located?
The NPPES record lists a practice address at 10 Kruger Road, Plains, MT, 59859. Phone: (406) 826-4800. Providers update this record themselves, so call before visiting.
How can I verify Randall Mack, PA-C's license?
NPPES lists Montana license number MED-PAC-LIC-190, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Randall Mack, PA-C prescribe under Medicare Part D?
In 2024, Randall Mack, PA-C had 2,630 Medicare Part D claims for 194 beneficiaries; the average among physician assistant prescribers was 832. 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.