Keith Ian Lenchner, MD
NPI 1669421491ActiveIndividual· Allergy & Immunology· Atlanta, GA
Allergy & Immunology (MD) in Atlanta, Georgia, trained at University of Chicago, Pritzker School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $680,137 for 1,498 claims, against $211,197 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $2,980 in all, mostly food and beverage.
Overview
| NPI | 1669421491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Nov 12, 2020 |
| Certified by provider | Nov 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 54234 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 157 |
|---|---|
| Services billed | 7,486 across 28 procedure codes |
| Paid by Medicare | $211,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,498 · 2,190 30-day fills |
|---|---|
| Patients | 280 |
| Total drug cost | $680,137 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Atlanta Allergy and Asthma Clinic PAAtlanta, GA · 37 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Piedmont Hospital, IncAtlanta, GA
Industry payments (Open Payments)
- 2025$2,980 · 117 payments from 21 companies
- 2024$1,911 · 89 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $611.35 | 28 |
| Genzyme Corporation | $336.78 | 11 |
| Novartis Pharmaceuticals Corporation | $245.79 | 9 |
| Biocryst US Sales Co., LLC | $233.73 | 8 |
| Pharming Healthcare, Inc. | $210.08 | 8 |
What the 2025 payments were for
- Food and Beverage$2,980 · 117 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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