Doctor profile · Federal record
Dr. William Chamberlain
Physician Assistant · Los Angeles, CA
- NPI 1760857247
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2515 W Pico Blvd
Los Angeles, CA 900064003
(213) 384-4555
fax (213) 382-9555 - Mailing address
-
Po Box 1139
Bakersfield, CA 933021139
Credentials & registration
- NPI registered
- December 2015 — 11 yrs on file
- Profile last updated
- October 4, 2016
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #53090
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1760857247. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,102
Distinct HCPCS
10
Medicare allowed
$53,671
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 259 | 48 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 197 | 142 | $79 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 167 | 128 | $111 | |
96372 |
Injection of drug or substance under skin or into muscle | 103 | 61 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 60 | 60 | $113 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 47 | 46 | $16 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 47 | 19 | $2 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 36 | 34 | $50 | |
36415 |
Insertion of needle into vein for collection of blood sample | 25 | 24 | $8 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 25 | 24 | $50 |
In context: peer comparison
Among 120 peers in Los Angeles Physician Assistant, average services per provider: 176. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$644
Transactions
26
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 4 | $131.46 | |
| Exact Sciences Corporation | 4 | $104.72 | |
| Medtronic, INC. | 1 | $103.49 | |
| Antares Pharma, INC. | 5 | $94.56 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $46.98 | |
| Lilly USA, LLC | 2 | $33.47 | |
| GlaxoSmithKline, LLC. | 2 | $30.86 | |
| Vertex Pharmaceuticals Incorporated | 1 | $28.57 | |
| Phathom Pharmaceuticals, INC. | 1 | $18.39 | |
| Daiichi Sankyo INC. | 1 | $18.26 | |
| Abbvie INC. | 1 | $17.54 | |
| Otsuka America Pharmaceutical, INC. | 1 | $15.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,729
Patients
1,348
Total drug cost
$62,923
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 463 | 123 | $4,983 |
| Levothyroxine Sodium | Generic | 426 | 99 | $6,740 |
| Atorvastatin Calcium | Generic | 399 | 114 | $7,018 |
| Meloxicam | Generic | 371 | 118 | $2,074 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 365 | 62 | $9,000 |
| Gabapentin | Generic | 339 | 75 | $5,690 |
| Losartan Potassium | Generic | 323 | 91 | $5,035 |
| Amlodipine Besylate | Generic | 319 | 81 | $2,870 |
| Lisinopril | Generic | 297 | 82 | $2,956 |
| Fluconazole | Generic | 260 | 122 | $3,865 |
Frequently asked questions
What is Dr. William Chamberlain's medical specialty?
Dr. William Chamberlain practices Physician Assistant in Los Angeles, CA.
Where does Dr. William Chamberlain practice?
Dr. William Chamberlain practices at 2515 W Pico Blvd, Los Angeles, CA 900064003. Office phone: 2133844555.
What is Dr. William Chamberlain's NPI?
Dr. William Chamberlain's National Provider Identifier (NPI) is 1760857247, issued by NPPES.
Does Dr. William Chamberlain accept Medicare assignment?
Yes. Dr. William Chamberlain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chamberlain commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.