Dr. Dennis Mitchell Demby, MD
- Medicare services, 2024
- 392
- Medicare patients, 2024
- 134
- Part D claims, 2024
- 7,257
- Hospital affiliations
- 1
- Industry payments
- $10,957
- Practice address
- 1022 N Main St, Butler, PA 16001
- Practice phone
- Call (833) 995-0115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Butler Medical Associates
Butler, Pennsylvania
Find Dr. Demby's professional email, personal email and mobile number
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Dr. Dennis Mitchell Demby is an internist in Butler, Pennsylvania
Dr. Demby practices at Butler Medical Associates in Butler, Pennsylvania.
Dr. Demby's NPI, 1780612523, was assigned on June 29, 2006. Dr. Demby graduated from Temple University School of Medicine in 1981. Dr. Demby holds Pennsylvania license MD023705E.
- NPI
- 1780612523NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234266263
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (833) 995-0115
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Mitchell Demby practices at Butler Medical Associates in Butler, Pennsylvania
Dr. Demby's primary practice is Butler Medical Associates, at 1022 N Main St, Butler, PA 16001 in Butler County. The practice phone is (833) 995-0115.
- Butler Medical Associates1022 N Main St, Butler, PA 16001 · Butler CountyPhone(833) 995-0115
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dennis Mitchell Demby is affiliated with 5 sites of care and 2 medical groups
Dr. Demby's primary practice is Butler Medical Associates in Butler, Pennsylvania. Dr. Demby is also affiliated with Butler Memorial Hospital. The medical group on file is NovaCare Rehabilitation. Dmand AI also links Dr. Demby to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dennis Mitchell Demby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demby practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Butler Medical Associates | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis Mitchell Demby is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Demby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Demby is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Demby
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Dennis Mitchell Demby billed Medicare for 392 services in 2024
CMS data shows 392 Medicare services from Dr. Demby across 6 procedure codes in 2024, for 134 Medicare patients. Medicare paid $27,791 for them. Every service was in an office.
Dr. Demby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2842024: 22222%
- Other services
- 2023: 1882024: 14324%
- Tests and treatments
- 2023: 792024: 2766%
Dr. Demby compared with the Pennsylvania median for internists, 2024
- Dr. Demby
- Pennsylvania median
- Medicare services
- 392vs 4176% below
- Medicare patients
- 134vs 18528% below
- Part D claims
- 6,548vs 22429.2 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Demby's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Demby and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Mitchell Demby treated 134 Medicare patients in 2024, average age 74
CMS counts 134 Medicare patients who saw Dr. Demby in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Demby's median patient age at 73, with 45% women.
Dr. Demby's Medicare patients by age, 2024
Dr. Demby's Medicare patients by sex, 2024
- Women6549%
- Men6951%
Chronic conditions among Dr. Demby's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis35%
- Diabetes33%
- Ischemic heart disease21%
- Chronic kidney disease18%
- Atrial fibrillation17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Demby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Mitchell Demby wrote 7,257 Medicare Part D claims in 2024
In 2024, Dr. Demby wrote 7,257 Medicare Part D claims for 476 patients. 86% of them were for generic drugs. CMS names the drug for 6,548 of them, across 111 drugs with 11 or more claims each, at $545,203 in total drug cost. In 2023, CMS named 6,365 claims across 118 drugs.
Dr. Demby's Part D claims by kind of drug, 2024
- Generic6,256 claims86%
- Brand-name956 claims13%
- Other45 claims1%
Dr. Demby's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Demby's Part D claims, 2024
- Opioids3%186 of 7,257 claims
- Antibiotics3%193 of 7,257 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,3652024: 6,5483%
Drugs named by CMS: 111 in 2024, 118 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Dennis Mitchell Demby offers telehealth to Medicare patients
Dr. Demby accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Demby as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dennis Mitchell Demby received $10,957 in industry payments from 2016 to 2025
CMS Open Payments shows 793 general payments to Dr. Demby from 50 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novo Nordisk Inc paid the most, $1,333.
General payments to Dr. Demby by program year, 2016 to 2025
General payments to Dr. Demby by kind, 2016 to 2025
- Food and beverage$10,68097%
- Education$2773%
Companies that paid Dr. Demby the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis Mitchell Demby graduated from Temple University School of Medicine
Dr. Demby graduated from Temple University School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis Mitchell Demby's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Dennis Mitchell Demby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Dennis Mitchell Demby's NPI number?
Dr. Dennis Mitchell Demby's NPI number is 1780612523. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Mitchell Demby?
Dr. Dennis Mitchell Demby is an internist in Butler, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dennis Mitchell Demby practice?
Dr. Demby practices at 1022 N Main St, Butler, PA 16001. Dr. Demby's primary practice is Butler Medical Associates in Butler, Pennsylvania. Dmand AI also links Dr. Demby to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Dennis Mitchell Demby's office phone number?
The practice phone on file for Dr. Demby is (833) 995-0115.
What is Dr. Dennis Mitchell Demby's medical license number?
Dr. Demby holds Pennsylvania license MD023705E.
Which hospitals is Dr. Dennis Mitchell Demby affiliated with?
Dr. Demby is affiliated with Butler Memorial Hospital.
What medical group is Dr. Dennis Mitchell Demby part of?
Dr. Demby is linked to NovaCare Rehabilitation. Dmand AI links Dr. Demby to 1 more medical group.
Does Dr. Dennis Mitchell Demby accept Medicare?
Yes. CMS data shows Dr. Demby billed Medicare for 392 services in 2024, and Dr. Demby accepts Medicare assignment.
Does Dr. Dennis Mitchell Demby offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Demby as offering telehealth services.
How many Medicare patients does Dr. Dennis Mitchell Demby see?
CMS counts 134 Medicare patients who saw Dr. Demby in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Dennis Mitchell Demby bill to Medicare?
In 2024, Dr. Demby's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Dennis Mitchell Demby go to medical school?
Dr. Demby graduated from Temple University School of Medicine in 1981.
What drugs does Dr. Dennis Mitchell Demby prescribe most?
In 2024 Medicare Part D data, Dr. Demby's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Dennis Mitchell Demby received payments from drug or device companies?
CMS Open Payments shows $10,957 in general payments to Dr. Demby from 50 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Dennis Mitchell Demby been practicing?
Dr. Demby graduated from medical school in 1981, 45 years ago.
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