Jack Brook Williams, M.D.
NPI 1598738189ActiveIndividual· Specialist· Chevy Chase, MD
Specialist (M.D.) in Chevy Chase, Maryland, trained at University of Texas Medical Branch at Galveston (class of 1992). 343 Medicare patients in 2024, $86,853 paid; nearly all of their 388 Part D prescriptions were generic (95%). Genzyme Corporation was the largest of 7 companies reporting payments in 2025, $421.48 in all, mostly food and beverage.
Overview
| NPI | 1598738189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | D0058054 | MD |
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 - Otolaryngology (DC); Practitioner - Otolaryngology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 343 |
|---|---|
| Services billed | 997 across 39 procedure codes |
| Paid by Medicare | $86,853 |
Part D prescriptions in 2024
| Prescriptions (claims) | 388 · 608 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $18,097 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Otolaryngology |
Medical group
- Centers for Advanced ENT Care LLCGermantown, MD · 103 clinicians
Hospital affiliation
- Sibley Memorial HospitalWashington, DC
Industry payments (Open Payments)
- 2025$421.48 · 17 payments from 7 companies
- 2024$804.72 · 27 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $190.68 | 7 |
| Regeneron Healthcare Solutions, Inc. | $86.34 | 3 |
| Optinose US, Inc. | $67.47 | 3 |
| Glaxosmithkline, LLC. | $26.63 | 1 |
| Csl Behring | $20.34 | 1 |
What the 2025 payments were for
- Food and Beverage$421.48 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 Specialist providers in Chevy Chase · All Specialist providers in Maryland