Doctor profile · Federal record
Dr. William Warshal, MD
Family Medicine Physician · Geriatric Medicine (Family Medicine) Physician · Los Gatos, CA
- NPI 1285620666
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
15251 National Ave Ste 104
Los Gatos, CA 950322400
(408) 605-8612
fax (650) 631-2448
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- May 1, 2024
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G41468
- Medicaid
- CA #00G414681
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285620666. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,128
Distinct HCPCS
5
Medicare allowed
$182,872
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 432 | 182 | $173 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 343 | 102 | $121 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 285 | 261 | $207 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 43 | 19 | $86 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 25 | 23 | $153 |
In context: peer comparison
Among 20 peers in Los Gatos Family Medicine Physician, average services per provider: 134. This provider delivers 8.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,070
Patients
120
Total drug cost
$54,724
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 274 | 27 | $3,650 |
| Amlodipine Besylate | Generic | 271 | 26 | $1,890 |
| Levothyroxine Sodium | Generic | 191 | 16 | $2,152 |
| Metoprolol Tartrate | Generic | 170 | 14 | $1,031 |
| Gabapentin | Generic | 163 | 14 | $2,868 |
| Losartan Potassium | Generic | 146 | 0 | $1,302 |
| Tamsulosin Hcl | Generic | 130 | 0 | $2,398 |
| Furosemide | Generic | 122 | 12 | $667 |
| Eliquis (Apixaban) | Brand | 109 | 0 | $32,503 |
| Metformin Hcl | Generic | 101 | 11 | $799 |
Frequently asked questions
What is Dr. William Warshal's medical specialty?
Dr. William Warshal practices Family Medicine Physician in Los Gatos, CA.
Where does Dr. William Warshal practice?
Dr. William Warshal practices at 15251 National Ave Ste 104, Los Gatos, CA 950322400. Office phone: 4086058612.
What is Dr. William Warshal's NPI?
Dr. William Warshal's National Provider Identifier (NPI) is 1285620666, issued by NPPES.
What procedures does Dr. William Warshal commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.