John M. Fahrenholz II, M.D.
NPI 1518958370ActiveIndividual· Allergy & Immunology· Nashville, TN
Allergy & Immunology (M.D.) in Nashville, Tennessee, trained at Ohio State University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $916,914 for 306 claims, against $112,493 paid for services in 2024. Blueprint Medicines Corporation was the largest of 7 companies reporting payments in 2025, $36,789 in all, mostly honoraria.
Overview
| NPI | 1518958370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Mar 25, 2022 |
| Certified by provider | Mar 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | MD0000036516 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 3,458 across 34 procedure codes |
| Paid by Medicare | $112,493 |
Part D prescriptions in 2024
| Prescriptions (claims) | 306 · 408 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $916,914 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Vanderbilt University Medical CenterNashville, TN · 3,567 clinicians
Hospital affiliation
- Vanderbilt University Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$36,789 · 46 payments from 7 companies
- 2024$40,047 · 42 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Blueprint Medicines Corporation | $21,087 | 22 |
| Sanofi US Services Inc. | $14,670 | 13 |
| Novartis Pharmaceuticals Corporation | $568.01 | 4 |
| Genentech, Inc. | $308.50 | 3 |
| Amgen Inc. | $59.39 | 2 |
What the 2025 payments were for
- Honoraria$17,458 · 5 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,306 · 3 payments
- Travel and Lodging$6,326 · 17 payments
- Food and Beverage$1,159 · 19 payments
- Consulting Fee$506.25 · 1 payment
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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