Nils Gaddis, DO
NPI 1447337696 · Internal Medicine Physician · Alcoa, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nils Gaddis, DO is a Internal Medicine Physician provider in Alcoa, TN (NPI 1447337696).
Provider details
- NPI number
- 1447337696
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1563 (TN)
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
971 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 | 406 | $115 |
| 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 | 262 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 122 | $118 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 43 | $13 |
| Administration of Influenza Virus VaccineG0008 | 37 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 485 | 143 |
| Levothyroxine Sodium | 315 | 75 |
| Amlodipine Besylate | 311 | 85 |
| Rosuvastatin Calcium | 266 | 84 |
| Irbesartan | 191 | 53 |
| Omeprazole | 173 | 53 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$342 across 20 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
- 2006-11-01
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Nils Gaddis's NPI number?
- Nils Gaddis's National Provider Identifier (NPI) is 1447337696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nils Gaddis's specialty?
- Nils Gaddis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nils Gaddis located?
- Nils Gaddis's practice location on file with NPPES is 266 Joule St, Alcoa, TN 37701-2422.
- What is Nils Gaddis's phone number?
- The practice phone number listed in the NPPES registry for Nils Gaddis is (865) 984-3864.
- Does Nils Gaddis accept Medicare?
- Nils Gaddis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nils Gaddis's NPI active?
- Yes — Nils Gaddis's NPI (1447337696) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.