Penny Denning, PA-C
Physician Assistant · Lewistown, MT
Penny Denning, PA-C is a physician assistant with a practice address in Lewistown, Montana, and NPI 1710064274, issued on Nov 1, 2006. Check the license (Montana 201, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Penny Denning
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 201 MT
Self-reported in NPPES; status is on the state search - Practice location
- 200 Gill LN, Lewistown, MT 59457
- Phone
- (406) 939-2755
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20101209001181); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 698 in Montana → Look up another NPI →
Verify Penny Denning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average physician assistant in 2024
1,106 Medicare Part D claims for 143 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium56 claims
- Metformin Hcl46 claims
- Lisinopril44 claims
- Metoprolol Succinate40 claims
- Omeprazole34 claims
- Losartan Potassium33 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
- Mccone County Health Center IncCircle, MT
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Penny Denning among 698 physician assistant records in Montana
Penny Denning, PA-C is one of 698 physician assistant records with a practice address in Montana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 77% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1999 · median 2016 among the 514 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 physician assistant records list a practice address in Lewistown
They are 2 of the 175 NPPES records with a practice address in Lewistown, and 698 physician assistant records in Montana.
All 698 in Montana → Every provider in Lewistown → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Taylor Frye, PALewistown, MT 594571487524260
- Robert Anderson, PA CFort Benton, MT 594421700841277
- Chase McGlinchey, PAFort Benton, MT 594421821720608
- Emily HarwoodShelby, MT 594741356180038
- David Arends, PA-CConrad, MT 594251265614630
- Clifford Davis, PACConrad, MT 594251427000751
- Ilene Hawkinson, PAConrad, MT 594251386634368
- Michael Hewett, PAConrad, MT 594251497745483
Common questions
What is Penny Denning, PA-C's NPI number?
Penny Denning, PA-C's National Provider Identifier (NPI) is 1710064274, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Penny Denning, PA-C located?
The NPPES record lists a practice address at 200 Gill LN, Lewistown, MT, 59457. Phone: (406) 939-2755. Providers update this record themselves, so call before visiting.
How can I verify Penny Denning, PA-C's license?
NPPES lists Montana license number 201, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Penny Denning, PA-C prescribe under Medicare Part D?
In 2024, Penny Denning, PA-C had 1,106 Medicare Part D claims for 143 beneficiaries; the average among physician assistant prescribers was 830. 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.