Alan C. Dejarnatt, MD
NPI 1598750184ActiveIndividual· Allergy & Immunology· Jackson, TN
Allergy & Immunology (MD) in Jackson, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,909,253 for 1,240 claims, against $457,714 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $1,995 in all, mostly food and beverage.
Overview
| NPI | 1598750184 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2005 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 19924 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 19,541 across 24 procedure codes |
| Paid by Medicare | $457,714 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,240 · 1,630 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $1,909,253 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Psf PLLCMilford, OH · 98 clinicians
Hospital affiliation
- Jackson-Madison County General HospitalJackson, TN
Industry payments (Open Payments)
- 2025$1,995 · 93 payments from 16 companies
- 2024$940.95 · 53 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $347.00 | 21 |
| Novartis Pharmaceuticals Corporation | $292.56 | 14 |
| Genzyme Corporation | $240.70 | 7 |
| Glaxosmithkline, LLC. | $206.78 | 7 |
| Ars Pharmaceuticals Operations, Inc. | $198.91 | 11 |
What the 2025 payments were for
- Food and Beverage$1,952 · 91 payments
- Education$42.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Jackson
- 1295226157