John Vannoy, MD
NPI 1245275411 · Internal Medicine Physician · Powell, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Vannoy, MD is a Internal Medicine Physician provider in Powell, TN (NPI 1245275411).
Provider details
- NPI number
- 1245275411
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19397 (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
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
6,015 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 | 705 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 675 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 657 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 532 | $13 |
| 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 | 392 | $15 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 153 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 526 | 126 |
| Amlodipine Besylate | 384 | 106 |
| Alprazolam | 359 | 69 |
| Pantoprazole Sodium | 356 | 98 |
| Gabapentin | 347 | 75 |
| Lisinopril | 346 | 93 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,034 across 60 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
- 2006-06-19
- Last updated
- 2016-10-10
Frequently asked questions
- What is John Vannoy's NPI number?
- John Vannoy's National Provider Identifier (NPI) is 1245275411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vannoy's specialty?
- John Vannoy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Vannoy located?
- John Vannoy's practice location on file with NPPES is 7744 Conner Road, Powell, TN 37849-3568.
- What is John Vannoy's phone number?
- The practice phone number listed in the NPPES registry for John Vannoy is (865) 546-9751.
- Does John Vannoy accept Medicare?
- John Vannoy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Vannoy's NPI active?
- Yes — John Vannoy's NPI (1245275411) is active in the NPPES registry as of the last update on 2016-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.