Doctor profile · Federal record
Dr. William Wood, M.D., M.S.
Surgery Physician (CMS: General Surgery) · Castro Valley, CA
- NPI 1821309022
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
19845 Lake Chabot RD Ste 200
Castro Valley, CA 945464055
(510) 538-5500
fax (510) 538-5505 - Mailing address
-
2601 Blanding Ave, Ste C #165
Alameda, CA 94501
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- February 12, 2026
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #A119594
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821309022. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
199
Distinct HCPCS
7
Medicare allowed
$31,956
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 40 | $152 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $195 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 27 | $142 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $108 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 18 | $211 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 17 | 11 | $89 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $194 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 58. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$315
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| TELA Bio, Inc. | 1 | $204.51 | |
| Solventum Corporation | 1 | $110.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
89
Patients
64
Total drug cost
$542
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 39 | 34 | $156 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 34 | 30 | $82 |
| Pantoprazole Sodium | Generic | 16 | 0 | $304 |
Hospital affiliations
Frequently asked questions
What is Dr. William Wood's medical specialty?
Dr. William Wood practices Surgery Physician in Castro Valley, CA.
Where does Dr. William Wood practice?
Dr. William Wood practices at 19845 Lake Chabot RD Ste 200, Castro Valley, CA 945464055. Office phone: 5105385500.
What is Dr. William Wood's NPI?
Dr. William Wood's National Provider Identifier (NPI) is 1821309022, issued by NPPES.
Does Dr. William Wood accept Medicare assignment?
Yes. Dr. William Wood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.