Dennis Demby, M.D.
NPI 1780612523 · Internal Medicine Physician · Butler, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Demby, M.D. is a Internal Medicine Physician provider in Butler, PA (NPI 1780612523).
Provider details
- NPI number
- 1780612523
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD023705E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
365 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 149 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 88 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $85 |
| Administration of Influenza Virus VaccineG0008 | 28 | $31 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 27 | $16 |
Typical Medicare-allowed amounts for these services range $16–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 453 | 114 |
| Lisinopril | 350 | 92 |
| Levothyroxine Sodium | 308 | 60 |
| Simvastatin | 282 | 60 |
| Pantoprazole Sodium | 281 | 74 |
| Amlodipine Besylate | 276 | 77 |
| Metformin Hcl | 228 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$787 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2008-07-11
Frequently asked questions
- What is Dennis Demby's NPI number?
- Dennis Demby's National Provider Identifier (NPI) is 1780612523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Demby's specialty?
- Dennis Demby is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Demby located?
- Dennis Demby's practice location on file with NPPES is 1022b N Main St, Butler, PA 16001-1954.
- What is Dennis Demby's phone number?
- The practice phone number listed in the NPPES registry for Dennis Demby is (724) 284-4185.
- Does Dennis Demby accept Medicare?
- Dennis Demby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Demby's NPI active?
- Yes — Dennis Demby's NPI (1780612523) is active in the NPPES registry as of the last update on 2008-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.