Barrett O. Attarha, DO
NPI 1164927950ActiveIndividual· Internal Medicine, Gastroenterology· Chattanooga, TN
Internal Medicine, Gastroenterology (DO) in Chattanooga, Tennessee, trained at Philadelphia College of Osteopathic Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $33,276 for 210 claims, against $19,630 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $2,212 in all, mostly food and beverage.
Overview
| NPI | 1164927950 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Mar 26, 2018 |
| Last updated in NPPES | Jun 6, 2024 |
| Certified by provider | Jun 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5737 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 260 across 41 procedure codes |
| Paid by Medicare | $19,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 210 · 264 30-day fills |
|---|---|
| Patients | 130 |
| Total drug cost | $33,276 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Gastroenterology |
Medical group
- Galen Medical Group, PCChattanooga, TN · 125 clinicians
Hospital affiliations
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Other facilities
- Siskin Hospital for Physical RehabilitationInpatient rehabilitation facility · Chattanooga, TN
Industry payments (Open Payments)
- 2025$2,212 · 100 payments from 19 companies
- 2024$1,842 · 44 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $506.03 | 35 |
| Janssen Biotech, Inc. | $302.13 | 14 |
| Pfizer Inc. | $203.70 | 8 |
| Celltrion USA Inc. | $200.83 | 13 |
| Enterra Medical, Inc. | $181.35 | 3 |
What the 2025 payments were for
- Food and Beverage$2,212 · 100 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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