William Lamar Chester, M.D.
NPI 1427003342ActiveIndividual· Anesthesiology· Rockville, MD
Anesthesiology (M.D.) in Rockville, Maryland, trained at University of Miami, Lm Miller School of Medicine (class of 1982). Medicare paid $26,766 for services to 151 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $119.64 in all, mostly food and beverage.
Overview
| NPI | 1427003342 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | Mar 4, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D30540 | 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 - Anesthesiology (DC); Practitioner - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 181 across 49 procedure codes |
| Paid by Medicare | $26,766 |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Anesthesiology |
Medical group
- First Colonies Anesthesia Associates, LLCNottingham, MD · 326 clinicians
Hospital affiliation
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
Industry payments (Open Payments)
- 2025$119.64 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $95.16 | 4 |
| Pacira Pharmaceuticals Incorporated | $24.48 | 1 |
What the 2025 payments were for
- Food and Beverage$119.64 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 97 anesthesiologists in Rockville · All anesthesiologists in Maryland