Andrew N. Lake, MD
NPI 1821224809ActiveIndividual· Internal Medicine, Gastroenterology· Gainesville, GA
Internal Medicine, Gastroenterology (MD) in Gainesville, Georgia, trained at Medical College of Georgia School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $474,617 for 1,783 claims, against $195,195 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,570 in all, mostly food and beverage.
Overview
| NPI | 1821224809 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2009 |
| Last updated in NPPES | Jun 12, 2020 |
| Certified by provider | Jun 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 072389 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 582 |
|---|---|
| Services billed | 5,925 across 46 procedure codes |
| Paid by Medicare | $195,195 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,783 · 2,628 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $474,617 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
Medical groups
- Northeast Georgia Physicians Group IncGainesville, GA · 883 clinicians
- Gastroenterology Associates of Gainesville, P. C.Gainesville, GA · 9 clinicians
Hospital affiliations
- Northeast Georgia Medical Center HabershamDemorest, GA
- Northeast Georgia Medical Center, IncGainesville, GA
Industry payments (Open Payments)
- 2025$1,570 · 84 payments from 18 companies
- 2024$1,482 · 82 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $293.16 | 17 |
| Madrigal Pharmaceuticals | $172.19 | 8 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $145.66 | 8 |
| Gilead Sciences, Inc. | $140.94 | 7 |
| Regeneron Healthcare Solutions, Inc. | $116.56 | 5 |
What the 2025 payments were for
- Food and Beverage$1,570 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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