Doctor profile · Federal record
Dr. William Fisher, M.D.
Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Internal Medicine Physician · Pulmonary Disease Physician · Sleep Medicine (Internal Medicine) Physician · San Diego, CA
- NPI 1245674001
- Accepts Medicare
- MIPS 73.6 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8008 Frost St Ste 401
San Diego, CA 921234209
(858) 650-5037
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- September 14, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- California #A137269
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245674001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
399
Distinct HCPCS
4
Medicare allowed
$65,445
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 214 | 109 | $218 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 118 | 69 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 50 | 33 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $179 |
In context: peer comparison
Among 22 peers in San Diego Critical Care Medicine (Internal Medicine) Physician, average services per provider: 85. This provider delivers 4.7× the peer median.Open Payments
Industry payments received
All-time total
$550
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Becton, Dickinson and Company | 1 | $550.00 |
By nature of payment
Frequently asked questions
What is Dr. William Fisher's medical specialty?
Dr. William Fisher practices Critical Care Medicine (Internal Medicine) Physician in San Diego, CA.
Where does Dr. William Fisher practice?
Dr. William Fisher practices at 8008 Frost St Ste 401, San Diego, CA 921234209. Office phone: 8586505037.
What is Dr. William Fisher's NPI?
Dr. William Fisher's National Provider Identifier (NPI) is 1245674001, issued by NPPES.
Does Dr. William Fisher accept Medicare assignment?
Yes. Dr. William Fisher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fisher commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.