Penny Denning, PA-C
NPI 1710064274 · Physician Assistant · Lewistown, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Penny Denning, PA-C is a Physician Assistant provider in Lewistown, MT (NPI 1710064274).
Provider details
- NPI number
- 1710064274
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 201 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
15 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 15 | $9 |
Typical Medicare-allowed amounts for these services range $9–$9 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 21 |
| Metformin Hcl | 46 | 11 |
| Lisinopril | 44 | 14 |
| Metoprolol Succinate | 40 | 11 |
| Omeprazole | 34 | 14 |
| Losartan Potassium | 33 | 12 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2023-07-18
- Certified
- 2023-07-18
Frequently asked questions
- What is Penny Denning's NPI number?
- Penny Denning's National Provider Identifier (NPI) is 1710064274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Penny Denning's specialty?
- Penny Denning is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Penny Denning located?
- Penny Denning's practice location on file with NPPES is 200 Gill Ln, Lewistown, MT 59457-8734.
- What is Penny Denning's phone number?
- The practice phone number listed in the NPPES registry for Penny Denning is (406) 939-2755.
- Does Penny Denning accept Medicare?
- Penny Denning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Penny Denning's NPI active?
- Yes — Penny Denning's NPI (1710064274) is active in the NPPES registry as of the last update on 2023-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.