Johnny Altawil, M.D.
NPI 1841439270 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnny Altawil, M.D. is a Internal Medicine Physician provider in Knoxville, TN (NPI 1841439270).
Provider details
- NPI number
- 1841439270
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301090449 (MI)
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
17 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
889 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 233 | $217 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 118 | $65 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 93 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $114 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 228 | 93 |
| Pantoprazole Sodium | 211 | 104 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 196 | 191 |
| Famotidine | 160 | 64 |
| Esomeprazole Magnesium | 85 | 33 |
| Sucralfate | 74 | 45 |
| Colestipol Hcl | 70 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$683 across 40 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
- 2009-02-09
- Last updated
- 2017-05-04
Frequently asked questions
- What is Johnny Altawil's NPI number?
- Johnny Altawil's National Provider Identifier (NPI) is 1841439270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnny Altawil's specialty?
- Johnny Altawil is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johnny Altawil located?
- Johnny Altawil's practice location on file with NPPES is 1311 Dowell Springs Blvd, Knoxville, TN 37909-2454.
- What is Johnny Altawil's phone number?
- The practice phone number listed in the NPPES registry for Johnny Altawil is (865) 588-5121.
- Does Johnny Altawil accept Medicare?
- Johnny Altawil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnny Altawil's NPI active?
- Yes — Johnny Altawil's NPI (1841439270) is active in the NPPES registry as of the last update on 2017-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.