John Tapp, MD
NPI 1811986326 · Internal Medicine Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tapp, MD is a Internal Medicine Physician provider in Chattanooga, TN (NPI 1811986326).
Provider details
- NPI number
- 1811986326
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35913 (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
7,320 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 722 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 653 | $123 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 606 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 562 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 538 | $16 |
| Hemoglobin A1c Level83036 | 426 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 551 | 163 |
| Amlodipine Besylate | 504 | 147 |
| Atorvastatin Calcium | 414 | 127 |
| Rosuvastatin Calcium | 391 | 110 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 358 | 53 |
| Omeprazole | 305 | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,983 across 109 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
- 2005-10-18
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is John Tapp's NPI number?
- John Tapp's National Provider Identifier (NPI) is 1811986326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tapp's specialty?
- John Tapp is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Tapp located?
- John Tapp's practice location on file with NPPES is 1700 Broad St Ste 140, Chattanooga, TN 37408-1834.
- What is John Tapp's phone number?
- The practice phone number listed in the NPPES registry for John Tapp is (423) 493-5240.
- Does John Tapp accept Medicare?
- John Tapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tapp's NPI active?
- Yes — John Tapp's NPI (1811986326) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.