Doctor profile · Federal record
Dr. Lionel Williams, MD
Anesthesiology Physician (CMS: Anesthesiology) · Poughkeepsie, NY
- NPI 1285631994
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
45 Reade Pl, Anesthesia Department
Poughkeepsie, NY 126013947
(845) 431-5629 - Mailing address
-
68 S Service RD, Suite 350
Melville, NY 117472354
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 4, 2009
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- New York #180410
- Medicaid
- NY #01901660
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285631994. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
714
Distinct HCPCS
10
Medicare allowed
$120,278
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 145 | 139 | $82 | |
01922 |
Anesthesia for x-ray or radiation therapy | 69 | 65 | $116 | |
00530 |
Anesthesia for insertion of permanent heart pacemaker | 67 | 67 | $122 | |
00537 |
Anesthesia for procedure to assess heart electrical activity | 64 | 64 | $249 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 62 | 61 | $73 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 54 | 52 | $47 | |
00560 |
Anesthesia for procedure on heart and large blood vessels | 44 | 44 | $464 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 33 | 33 | $88 | |
01926 |
Anesthesia for x-ray on artery of brain, heart, or chest | 25 | 25 | $234 | |
00840 |
Anesthesia for other procedure on lower abdomen | 24 | 24 | $255 |
In context: peer comparison
Among 13 peers in Poughkeepsie Anesthesiology Physician, average services per provider: 31. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$76
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abiomed | 2 | $47.23 | |
| Getinge USA Sales, LLC | 1 | $28.59 |
By nature of payment
Frequently asked questions
What is Dr. Lionel Williams's medical specialty?
Dr. Lionel Williams practices Anesthesiology Physician in Poughkeepsie, NY.
Where does Dr. Lionel Williams practice?
Dr. Lionel Williams practices at 45 Reade Pl, Poughkeepsie, NY 126013947. Office phone: 8454315629.
What is Dr. Lionel Williams's NPI?
Dr. Lionel Williams's National Provider Identifier (NPI) is 1285631994, issued by NPPES.
Does Dr. Lionel Williams accept Medicare assignment?
Yes. Dr. Lionel Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lionel Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for x-ray or radiation therapy (HCPCS 01922); Anesthesia for insertion of permanent heart pacemaker (HCPCS 00530). Source: CMS Medicare Physician & Other Practitioners file.