Dr. Dennis Howard Duck, MD
- Medicare services, 2024
- 1,404
- Medicare patients, 2024
- 243
- Part D claims, 2024
- 11,335
- Hospital affiliations
- 2
- Industry payments
- $12,000
- Practice address
- 8731 Rutledge Pike, Rutledge, TN 37861
- Practice phone
- Call (865) 828-5595
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duck Family Medicine
Primary care practice · Rutledge, Tennessee
Find Dr. Duck's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Dennis Howard Duck is an internist in Rutledge, Tennessee
Dr. Duck practices at Duck Family Medicine in Rutledge, Tennessee.
Dr. Duck's NPI, 1134127343, was assigned on July 12, 2005. Dr. Duck graduated from University of Tennessee, Hsc, College of Medicine in 1987. Dr. Duck holds Tennessee license MD19957.
- NPI
- 1134127343NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981696069
- NPI enumeration date
- July 12, 2005
- NPI status
- Active
- Practice phone
- (865) 828-5595
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Dennis Howard Duck practices at Duck Family Medicine in Rutledge, Tennessee
Dr. Duck's primary practice is Duck Family Medicine, at 8731 Rutledge Pike, Rutledge, TN 37861. The practice phone is (865) 828-5595.
- Duck Family Medicine8731 Rutledge Pike, Rutledge, TN 37861Phone(865) 828-5595
Source: Dmand AI Affiliation Data
Dr. Dennis Howard Duck is affiliated with 5 sites of care and 3 medical groups
Dr. Duck's primary practice is Duck Family Medicine in Rutledge, Tennessee. Dr. Duck is also affiliated with Covenant Health Morristown-Hamblen. The medical group on file is Duck Family Medicine. Dmand AI also links Dr. Duck to 1 more hospital, 2 home health agencies and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dennis Howard Duck's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duck practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duck Family Medicine | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis Howard Duck is one of 2,427 internists in Tennessee
Internal medicine is Dr. Duck's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duck is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Duck
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 Howard Duck billed Medicare for 1,404 services in 2024
CMS data shows 1,404 Medicare services from Dr. Duck across 16 procedure codes in 2024, for 243 Medicare patients. Medicare paid $55,570 for them.
Dr. Duck's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6442024: 5997%
- Tests and treatments
- 2023: 2772024: 21622%
- Surgery
- 2023: 2132024: 214No change
- Drugs given in the office
- 2023: 2392024: 16133%
- Lab and pathology
- 2023: 1962024: 15819%
- Other services
- 2023: 902024: 5638%
Where Dr. Duck's Medicare services took place, 2024
- In an office1,33195%
- In a facility735%
Dr. Duck compared with the Tennessee median for internists, 2024
- Dr. Duck
- Tennessee median
- Medicare services
- 1,404vs 6712.1 times
- Medicare patients
- 243vs 2229% above
- Part D claims
- 10,598vs 33431.7 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Duck'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.
Need commercial claims for Dr. Duck?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duck and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Howard Duck treated 243 Medicare patients in 2024, average age 72
CMS counts 243 Medicare patients who saw Dr. Duck in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duck's median patient age at 60, with 52% women.
Dr. Duck's Medicare patients by age, 2024
Dr. Duck's Medicare patients by sex, 2024
- Women13053%
- Men11347%
Chronic conditions among Dr. Duck's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Arthritis53%
- Ischemic heart disease32%
- Diabetes30%
- COPD28%
- Chronic kidney disease23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duck's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Howard Duck wrote 11,335 Medicare Part D claims in 2024
In 2024, Dr. Duck wrote 11,335 Medicare Part D claims for 660 patients. 83% of them were for generic drugs. CMS names the drug for 10,598 of them, across 178 drugs with 11 or more claims each, at $1,049,800 in total drug cost. In 2023, CMS named 10,218 claims across 171 drugs.
Dr. Duck's Part D claims by kind of drug, 2024
- Generic9,450 claims83%
- Brand-name1,773 claims16%
- Other112 claims1%
Dr. Duck'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. Duck's Part D claims, 2024
- Opioids3%318 of 11,335 claims
- Antibiotics3%356 of 11,335 claims
- Antipsychotics, patients 65 and over0%54 of 11,335 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: 10,2182024: 10,5984%
Drugs named by CMS: 178 in 2024, 171 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
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Dr. Dennis Howard Duck received $12,000 in industry payments from 2016 to 2025
CMS Open Payments shows 622 general payments to Dr. Duck from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,896.
General payments to Dr. Duck by program year, 2016 to 2025
General payments to Dr. Duck by kind, 2016 to 2025
- Food and beverage$11,959100%
- Education$420%
Companies that paid Dr. Duck 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 Howard Duck graduated from University of Tennessee, Hsc, College of Medicine
Dr. Duck graduated from University of Tennessee, Hsc, College of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis Howard Duck'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 Howard Duck
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 Howard Duck's NPI number?
Dr. Dennis Howard Duck's NPI number is 1134127343. It was assigned on July 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Howard Duck?
Dr. Dennis Howard Duck is an internist in Rutledge, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dennis Howard Duck practice?
Dr. Duck practices at 8731 Rutledge Pike, Rutledge, TN 37861. Dr. Duck's primary practice is Duck Family Medicine in Rutledge, Tennessee. Dmand AI also links Dr. Duck to 1 hospital, 2 home health agencies and 2 medical groups.
What is Dr. Dennis Howard Duck's office phone number?
The practice phone on file for Dr. Duck is (865) 828-5595.
What is Dr. Dennis Howard Duck's medical license number?
Dr. Duck holds Tennessee license MD19957.
Which hospitals is Dr. Dennis Howard Duck affiliated with?
Dr. Duck is affiliated with Covenant Health Morristown-Hamblen. Dmand AI links Dr. Duck to 1 more hospital.
What medical group is Dr. Dennis Howard Duck part of?
Dr. Duck is linked to Duck Family Medicine. Dmand AI links Dr. Duck to 2 more medical groups.
Does Dr. Dennis Howard Duck accept Medicare?
Yes. CMS data shows Dr. Duck billed Medicare for 1,404 services in 2024.
How many Medicare patients does Dr. Dennis Howard Duck see?
CMS counts 243 Medicare patients who saw Dr. Duck in 2024, with an average age of 72.
What services does Dr. Dennis Howard Duck bill to Medicare?
In 2024, Dr. Duck's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and infusion or chemotherapy administration (96372).
Show 4 more questionsShow fewer questions
Where did Dr. Dennis Howard Duck go to medical school?
Dr. Duck graduated from University of Tennessee, Hsc, College of Medicine in 1987.
What drugs does Dr. Dennis Howard Duck prescribe most?
In 2024 Medicare Part D data, Dr. Duck's most prescribed drugs by claims were Pantoprazole Sodium, Levothyroxine Sodium and Lisinopril.
Has Dr. Dennis Howard Duck received payments from drug or device companies?
CMS Open Payments shows $12,000 in general payments to Dr. Duck from 43 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Dennis Howard Duck been practicing?
Dr. Duck graduated from medical school in 1987, 39 years ago.
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