Michael J. Quadrini, M.D.
NPI 1831258698ActiveIndividual· Internal Medicine, Nephrology· Huntsville, AL
Internal Medicine, Nephrology (M.D.) in Huntsville, Alabama, trained at Northwestern University Feinberg Medical School (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $269,817 for 1,199 claims, against $170,406 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 18 companies reporting payments in 2025, $1,654 in all, mostly food and beverage.
Overview
| NPI | 1831258698 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 7, 2006 |
| Last updated in NPPES | Mar 21, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 39862 | TN |
| Internal Medicine, Nephrology | 207RN0300X | 28009 | AL |
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 - Nephrology (AL); Practitioner - Nephrology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 532 |
|---|---|
| Services billed | 2,170 across 24 procedure codes |
| Paid by Medicare | $170,406 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,199 · 2,482 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $269,817 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Consultants LLCHunstville, AL · 17 clinicians
Hospital affiliations
- Helen Keller HospitalSheffield, AL
- Huntsville HospitalHuntsville, AL
- Lincoln Medical CenterFayetteville, TN
- Marshall Medical CentersBoaz, AL
- North Alabama Medical CenterFlorence, AL
Other facilities
- Fmc AlbertvilleDialysis facility · Albertville, AL
- Fmc ChaseDialysis facility · Huntsville, AL
- Fmc Elk River DialysisDialysis facility · Fayetteville, TN
- Fmc HuntsvilleDialysis facility · Huntsville, AL
- Fmc ScottsboroDialysis facility · Scottsboro, AL
Industry payments (Open Payments)
- 2025$1,654 · 75 payments from 18 companies
- 2024$3,366 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $431.12 | 16 |
| Vifor Pharma, Inc. | $201.22 | 9 |
| Travere Therapeutics, Inc. | $157.47 | 7 |
| Calliditas Therapeutics US Inc. | $152.02 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $112.34 | 6 |
What the 2025 payments were for
- Food and Beverage$1,622 · 73 payments
- Education$32.22 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in Huntsville · All nephrologists in Alabama