Dennis Duck, MD
NPI 1134127343 · Internal Medicine Physician · Rutledge, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Duck, MD is a Internal Medicine Physician provider in Rutledge, TN (NPI 1134127343).
Provider details
- NPI number
- 1134127343
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD19957 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,179 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 | 499 | $109 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 214 | $8 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 132 | $12 |
| Urinalysis, Manual Test81002 | 107 | $3 |
| Administration of Influenza Virus VaccineG0008 | 56 | $30 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 51 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 180 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 456 | 102 |
| Levothyroxine Sodium | 388 | 84 |
| Lisinopril | 297 | 81 |
| Gabapentin | 296 | 65 |
| Atorvastatin Calcium | 286 | 73 |
| Amlodipine Besylate | 269 | 64 |
| Meloxicam | 261 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$607 across 28 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
- 2005-07-12
- Last updated
- 2018-06-11
Frequently asked questions
- What is Dennis Duck's NPI number?
- Dennis Duck's National Provider Identifier (NPI) is 1134127343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Duck's specialty?
- Dennis Duck is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Duck located?
- Dennis Duck's practice location on file with NPPES is 8731 Rutledge Pike, Rutledge, TN 37861.
- What is Dennis Duck's phone number?
- The practice phone number listed in the NPPES registry for Dennis Duck is (865) 828-5595.
- Does Dennis Duck accept Medicare?
- Dennis Duck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Duck's NPI active?
- Yes — Dennis Duck's NPI (1134127343) is active in the NPPES registry as of the last update on 2018-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.