NPPES file of Aug 9, 2026

Ronald Hamm, PA

Medical Physician Assistant · White Sulphur Springs, MT

Ronald Hamm, PA is a medical physician assistant with a practice address in White Sulphur Springs, Montana, and NPI 1003893033, issued on Dec 30, 2005. Check the license (Montana 162, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1003893033
Name
Ronald Hamm
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
162 MT
Self-reported in NPPES; status is on the state search
Practice location
16 W Main St, White Sulphur Springs, MT 59645
Phone
(406) 547-3321
Enumerated
Dec 30, 2005
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.
Download card Updates feed

Also registered at 16 W Main St

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

  1. Jennifer Brunsdon, MDFamily Medicine Physician1003917618
  2. Jennifer Hurwitz, LCPCProfessional Counselor1427285584
  3. McKenzie Johnson, RDNRegistered Dietitian1811478886
  4. David Meissner, PA CMedical Physician Assistant1275534141
  5. Serrana Scholten, RNEmergency Registered Nurse1255268975
  6. Adam Stenseth, MDFamily Medicine Physician1831455526

Verify Ronald Hamm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 162
    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
Find 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 medical physician assistant in 2024

1,203 Medicare Part D claims for 131 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 48 claims were for opioids.

  1. Ronald Hamm1,203
  2. Specialty average1,148

Most prescribed

  1. Levothyroxine Sodium72 claims
  2. Atorvastatin Calcium65 claims
  3. Lisinopril47 claims
  4. Omeprazole36 claims
  5. Tramadol Hcl32 claims
  6. Losartan Potassium31 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 one group practice

  1. Granite County Hospital DistrictPhilipsburg, MT

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

2 medical physician assistant records list a practice address in White Sulphur Springs

They are 2 of the 13 NPPES records with a practice address in White Sulphur Springs, and 269 medical physician assistant records in Montana.

Other medical physician assistant records in Montana

  1. Sarah Adsit, PA-CBozeman, MT1629301080
  2. Jamie Aleba, PAGreat Falls, MT1184929572
  3. Robert Alexander, PA-CMalmstrom Afb, MT1073842977
  4. Sarah Alke, PA-CBozeman, MT1407000789
  5. Keri Allmacher, PA-CMissoula, MT1114015617
  6. Aimee Alvord-Brown, PA-CBillings, MT1669632642
  7. Edward Amberg, PA-CPlains, MT1578898706
  8. Jessica Amsden, PACBillings, MT1053351411
  9. Jessica Anderson, PA-CBozeman, MT1417115791
  10. Julianne Anderson, PA-CLivingston, MT1003922675

Common questions

What is Ronald Hamm, PA's NPI number?

Ronald Hamm, PA's National Provider Identifier (NPI) is 1003893033, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Hamm, PA located?

The NPPES record lists a practice address at 16 W Main St, White Sulphur Springs, MT, 59645. Phone: (406) 547-3321. Providers update this record themselves, so call before visiting.

How can I verify Ronald Hamm, PA's license?

NPPES lists Montana license number 162, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Ronald Hamm, PA prescribe under Medicare Part D?

In 2024, Ronald Hamm, PA had 1,203 Medicare Part D claims for 131 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.

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) 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 27, 2026.