Doctor profile · Federal record
Dr. William Cao, MD
Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · Santa Cruz, CA
- NPI 1932189529
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1661 Soquel Dr Ste D
Santa Cruz, CA 950651709
(831) 452-5670 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- February 22, 2021
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A66603
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932189529. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
663
Distinct HCPCS
4
Medicare allowed
$80,317
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 391 | 151 | $125 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 116 | 57 | $84 | |
99239 |
Hospital discharge day management, more than 30 minutes | 112 | 107 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 44 | 43 | $184 |
In context: peer comparison
Among 16 peers in Santa Cruz Hospitalist Physician, average services per provider: 176. This provider delivers 3.8× the peer median.Frequently asked questions
What is Dr. William Cao's medical specialty?
Dr. William Cao practices Hospitalist Physician in Santa Cruz, CA.
Where does Dr. William Cao practice?
Dr. William Cao practices at 1661 Soquel Dr Ste D, Santa Cruz, CA 950651709. Office phone: 8314525670.
What is Dr. William Cao's NPI?
Dr. William Cao's National Provider Identifier (NPI) is 1932189529, issued by NPPES.
Does Dr. William Cao accept Medicare assignment?
Yes. Dr. William Cao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.