Alan D. Grindstaff, MD
NPI 1801856935ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Knoxville, TN
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Knoxville, Tennessee, trained at East Tennessee State University Quillen College of Medicine (class of 1994). Medicare paid $37,261 for services to 340 patients in 2024.
Overview
| NPI | 1801856935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2006 |
| Last updated in NPPES | Feb 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 32133 | 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 - Pathology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 1,024 across 16 procedure codes |
| Paid by Medicare | $37,261 |
Education and affiliations
| Medical school | East Tennessee State University Quillen College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Pathology |
Medical group
- University Pathologists, P.C.Knoxville, TN · 11 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 pathologists in Knoxville · All pathologists in Tennessee