Dennis Howard Duck, MD
Internal Medicine Physician · Rutledge, TN
Dennis Howard Duck, MD is an internal medicine physician with a practice address in Rutledge, Tennessee, and NPI 1134127343, issued on Jul 12, 2005. Check the license (Tennessee MD19957, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Dennis Howard Duck
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD19957 TN
Self-reported in NPPES; status is on the state search - Practice location
- 8731 Rutledge Pike, Rutledge, TN 37861
- Phone
- (865) 828-5595
- Enumerated
- Jul 12, 2005
- Record last updated
- Jun 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (865) 828-5607
- Medicaid ID
- 3049520 TN
- Medicare enrollment
- Enrolled (PECOS I20040330001817); may accept Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 8731 Rutledge Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reagan Kitts, FNPFamily Nurse Practitioner1053711689
- Whitney McElhaney, PA-CPhysician Assistant1285397190
Verify Dennis Howard Duck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD19957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,335 Medicare Part D claims for 660 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 318 claims were for opioids.
Most prescribed
- Pantoprazole Sodium456 claims
- Levothyroxine Sodium388 claims
- Lisinopril297 claims
- Gabapentin296 claims
- Atorvastatin Calcium286 claims
- Amlodipine Besylate269 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $606.74
28 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Dennis Howard Duck among 2,596 internal medicine physician records in Tennessee
Dennis Howard Duck, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1987 · median 2003 among the 1,705 with a school on file
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Rutledge
They are 2 of the 22 NPPES records with a practice address in Rutledge, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Rutledge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Holland, M.D.Rutledge, TN 378611962541326
- Sarah Barrett, D.O.Sevierville, TN 378621447663703
- Katy Coursey, D.O.Sevierville, TN 378621265825244
- James Foster, M.D.Sevierville, TN 378621184645657
- Ammar Razzak, MDSevierville, TN 378621992741805
- Paul Swafford, D.O.Sevierville, TN 378621689086407
- David Vastine, M.D.Sevierville, TN 378621154429033
- Hubert Wheatley, MDSevierville, TN 378621073557492
Common questions
What is Dennis Howard Duck, MD's NPI number?
Dennis Howard Duck, MD's National Provider Identifier (NPI) is 1134127343, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Howard Duck, MD located?
The NPPES record lists a practice address at 8731 Rutledge Pike, Rutledge, TN, 37861. Phone: (865) 828-5595. Providers update this record themselves, so call before visiting.
How can I verify Dennis Howard Duck, MD's license?
NPPES lists Tennessee license number MD19957, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dennis Howard Duck, MD prescribe under Medicare Part D?
In 2024, Dennis Howard Duck, MD had 11,335 Medicare Part D claims for 660 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Dennis Howard Duck, MD's MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.