Doctor profile · Federal record
Dr. Peien Fan, M.D.
Neurology Physician (CMS: Neurology) · Mercer Island, WA
- NPI 1346504511
- Accepts Medicare
- MIPS 79.2 / 100 · 2023
- 14 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4736 91St Ave Se
Mercer Island, WA 980404440
(773) 703-6770
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Profile last updated
- August 13, 2024
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Washington #MD60752943
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346504511. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
147
Distinct HCPCS
5
Medicare allowed
$24,308
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 48 | 38 | $136 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 38 | 36 | $198 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $185 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 15 | 15 | $61 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 15 | 15 | $243 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 29. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$100
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 3 | $76.60 | |
| ACADIA Pharmaceuticals Inc | 1 | $23.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
290
Patients
34
Total drug cost
$23,464
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 76 | 19 | $2,985 |
| Lamotrigine | Generic | 39 | 15 | $614 |
| Lacosamide | Generic | 25 | 0 | $969 |
| Phenytoin Sodium Extended | Generic | 25 | 0 | $732 |
| Donepezil Hcl | Generic | 24 | 0 | $217 |
| Levetiracetam Er (Levetiracetam) | Brand | 22 | 0 | $1,125 |
| Oxcarbazepine | Generic | 22 | 0 | $2,126 |
| Primidone | Generic | 22 | 0 | $892 |
| Divalproex Sodium | Generic | 12 | 0 | $508 |
| Gabapentin | Generic | 12 | 0 | $69 |
Frequently asked questions
What is Dr. Peien Fan's medical specialty?
Dr. Peien Fan practices Neurology Physician in Mercer Island, WA.
Where does Dr. Peien Fan practice?
Dr. Peien Fan practices at 4736 91St Ave Se, Mercer Island, WA 980404440. Office phone: 7737036770.
What is Dr. Peien Fan's NPI?
Dr. Peien Fan's National Provider Identifier (NPI) is 1346504511, issued by NPPES.
Does Dr. Peien Fan accept Medicare assignment?
Yes. Dr. Peien Fan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peien Fan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.