Zachary R. Williams, M.D.
NPI 1134372584ActiveIndividual· Internal Medicine· Rochester, NY
Internal Medicine (M.D.) in Rochester, New York, trained at University of Utah School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $413,749 for 2,125 claims, against $225,931 paid for services in 2024. Abbott Laboratories reported $139.93 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134372584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 29, 2008 |
| Last updated in NPPES | Apr 2, 2026 |
| Certified by provider | Apr 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 258290 | NY |
| Hospitalist | 208M00000X | 258290 | NY |
| Internal Medicine | 207R00000X | 7154790-1205 | UT |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036178168 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 80040 | AZ |
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 - Cardiovascular Disease (Cardiology) (AZ); Practitioner - Cardiovascular Disease (Cardiology) (IL); Practitioner - Cardiovascular Disease (Cardiology) (NV); Practitioner - Cardiovascular Disease (Cardiology) (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,737 |
|---|---|
| Services billed | 5,584 across 47 procedure codes |
| Paid by Medicare | $225,931 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,125 · 5,797 30-day fills |
|---|---|
| Patients | 440 |
| Total drug cost | $413,749 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Ihc Health Services IncMurray, UT · 3,960 clinicians
- Fairview Heights Medical Group SCAlton, IL · 444 clinicians
- Yavapai Regional Medical Center Physician Care LLCPrescott Valley, AZ · 124 clinicians
- Garfield CountyPanguitch, UT · 11 clinicians
Hospital affiliations
- Intermountain Health Cedar City HospitalCedar City, UT
- Intermountain Health Garfield Memorial HospitalPanguitch, UT
- Memorial HospitalBelleville, IL
- St. George Regional HospitalSt George, UT
Industry payments (Open Payments)
- 2025$139.93 · 1 payment from 1 company
- 2024$285.88 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $139.93 | 1 |
What the 2025 payments were for
- Food and Beverage$139.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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