Doctor profile · Federal record
Dr. William Whetstone, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · San Francisco, CA
- NPI 1669424131
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
505 Parnassus Ave
San Francisco, CA 941432204
(415) 476-1528
fax (415) 353-1799 - Mailing address
-
1635 Divisadero St., Suite 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 5, 2008
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A62963
- Medicaid
- CA #00A629630
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669424131. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
448
Distinct HCPCS
6
Medicare allowed
$76,791
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 265 | 263 | $189 | |
99284 |
Emergency department visit with moderate level of medical decision making | 106 | 106 | $130 | |
99291 |
Critical care, first 30-74 minutes | 32 | 32 | $235 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $195 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $77 | |
93308 |
Ultrasound of heart, follow-up | 11 | 11 | $28 |
In context: peer comparison
Among 87 peers in San Francisco Emergency Medicine Physician, average services per provider: 91. This provider delivers 4.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Whetstone's medical specialty?
Dr. William Whetstone practices Emergency Medicine Physician in San Francisco, CA.
Where does Dr. William Whetstone practice?
Dr. William Whetstone practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4154761528.
What is Dr. William Whetstone's NPI?
Dr. William Whetstone's National Provider Identifier (NPI) is 1669424131, issued by NPPES.
Does Dr. William Whetstone accept Medicare assignment?
Yes. Dr. William Whetstone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Whetstone commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.