Doctor profile · Federal record
Dr. William to, PA
Physician Assistant · Garden Grove, CA
- NPI 1336425644
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12555 Garden Grove Blvd Ste 504
Garden Grove, CA 928431903
(714) 537-5609
Credentials & registration
- NPI registered
- November 2011 — 15 yrs on file
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA21861
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336425644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
360
Distinct HCPCS
3
Medicare allowed
$24,453
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 254 | 141 | $60 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 60 | 41 | $60 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $121 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 148. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
304
Patients
121
Total drug cost
$112,073
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Creon (Lipase/Protease/Amylase) | Brand | 66 | 18 | $71,853 |
| Ursodiol | Generic | 38 | 13 | $5,290 |
| Pantoprazole Sodium | Generic | 33 | 15 | $539 |
| Famotidine | Generic | 29 | 0 | $422 |
| Metronidazole | Generic | 27 | 25 | $94 |
| Neomycin Sulfate | Generic | 24 | 24 | $147 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 19 | 11 | $450 |
| Oxycodone Hcl | Generic | 17 | 15 | $55 |
| Neoral (Cyclosporine, Modified) | Brand | 14 | 0 | $5,900 |
| Ciprofloxacin Hcl | Generic | 13 | 0 | $499 |
Frequently asked questions
What is Dr. William to's medical specialty?
Dr. William to practices Physician Assistant in Garden Grove, CA.
Where does Dr. William to practice?
Dr. William to practices at 12555 Garden Grove Blvd Ste 504, Garden Grove, CA 928431903. Office phone: 7145375609.
What is Dr. William to's NPI?
Dr. William to's National Provider Identifier (NPI) is 1336425644, issued by NPPES.
Does Dr. William to accept Medicare assignment?
Yes. Dr. William to accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William to commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.