Doctor profile · Federal record
Dr. William Drexel, D.O.
Psychiatry Physician (CMS: Psychiatry) · Valhalla, NY
- NPI 1639431729
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
100 Woods RD, Attn: Patty Williamson
Valhalla, NY 105951530
(914) 493-1939
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- March 8, 2013
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Rhode Island #2172971
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639431729. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
628
Distinct HCPCS
3
Medicare allowed
$36,861
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 382 | 73 | $47 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 71 | $76 | |
99238 |
Hospital discharge day management, 30 minutes or less | 60 | 56 | $78 |
In context: peer comparison
Among 10 peers in Valhalla Psychiatry Physician, average services per provider: 123. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
284
Patients
229
Total drug cost
$7,285
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 41 | 30 | $1,681 |
| Olanzapine | Generic | 37 | 27 | $2,532 |
| Clonidine Hcl | Generic | 25 | 21 | $176 |
| Gabapentin | Generic | 25 | 25 | $510 |
| Risperidone | Generic | 19 | 17 | $305 |
| Clonazepam | Generic | 18 | 17 | $240 |
| Lorazepam | Generic | 16 | 15 | $238 |
| Benztropine Mesylate | Generic | 15 | 15 | $211 |
| Hydroxyzine Pamoate | Generic | 14 | 13 | $161 |
| Lisinopril | Generic | 14 | 14 | $90 |
Frequently asked questions
What is Dr. William Drexel's medical specialty?
Dr. William Drexel practices Psychiatry Physician in Valhalla, NY.
Where does Dr. William Drexel practice?
Dr. William Drexel practices at 100 Woods RD, Valhalla, NY 105951530. Office phone: 9144931939.
What is Dr. William Drexel's NPI?
Dr. William Drexel's National Provider Identifier (NPI) is 1639431729, issued by NPPES.
Does Dr. William Drexel accept Medicare assignment?
Dr. William Drexel does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Drexel commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.