Doctor profile · Federal record
Dr. William Estrin, M.D.
Neurology Physician (CMS: Neurology) · San Francisco, CA
- NPI 1952482390
- Accepts Medicare
- MIPS 94.0 / 100 · 2023
- 53 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
490 Post St, Suite 1152
San Francisco, CA 941021401
(415) 268-0054
fax (415) 986-3884
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #G53425
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952482390. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
381
Distinct HCPCS
5
Medicare allowed
$54,140
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 225 | 80 | $132 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 40 | $151 | |
99291 |
Critical care, first 30-74 minutes | 43 | 17 | $232 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 40 | 38 | $64 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $194 |
In context: peer comparison
Among 69 peers in San Francisco Neurology Physician, average services per provider: 156. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$129
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $128.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
234
Patients
23
Total drug cost
$19,336
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 50 | 11 | $4,606 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 49 | 0 | $2,502 |
| Donepezil Hcl | Generic | 44 | 12 | $811 |
| Phenytoin Sodium Extended | Generic | 29 | 0 | $1,834 |
| Memantine Hcl | Generic | 24 | 0 | $729 |
| Lamotrigine ER (Lamotrigine) | Brand | 21 | 0 | $8,233 |
| Ropinirole Hcl | Generic | 17 | 0 | $623 |
Hospital affiliations
Frequently asked questions
What is Dr. William Estrin's medical specialty?
Dr. William Estrin practices Neurology Physician in San Francisco, CA.
Where does Dr. William Estrin practice?
Dr. William Estrin practices at 490 Post St, San Francisco, CA 941021401. Office phone: 4152680054.
What is Dr. William Estrin's NPI?
Dr. William Estrin's National Provider Identifier (NPI) is 1952482390, issued by NPPES.
Does Dr. William Estrin accept Medicare assignment?
Yes. Dr. William Estrin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Estrin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.