Doctor profile · Federal record
Dr. Grant Liu, MD
Neurology Physician (CMS: Neurology) · Philadelphia, PA
- NPI 1699709394
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Spruce St, 2 Ravdin Building
Philadelphia, PA 19104
(215) 662-3606
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 18, 2016
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Pennsylvania #MD048699L
- Medicaid
- PA #0014207160003
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699709394. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
370
Distinct HCPCS
7
Medicare allowed
$34,267
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 123 | $101 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 103 | 103 | $139 | |
92083 |
Exam of visual field with extended testing | 54 | 49 | $28 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 26 | $69 | |
92133 |
Imaging of optic nerve | 13 | 13 | $22 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $86 | |
92134 |
Imaging of retina | 11 | 11 | $26 |
In context: peer comparison
Among 83 peers in Philadelphia Neurology Physician, average services per provider: 148. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$94
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 2 | $94.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
165
Patients
32
Total drug cost
$11,491
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pyridostigmine Bromide | Generic | 59 | 17 | $6,935 |
| Prednisone | Generic | 50 | 15 | $313 |
| Azathioprine | Generic | 45 | 0 | $4,186 |
| Furosemide | Generic | 11 | 0 | $58 |
Frequently asked questions
What is Dr. Grant Liu's medical specialty?
Dr. Grant Liu practices Neurology Physician in Philadelphia, PA.
Where does Dr. Grant Liu practice?
Dr. Grant Liu practices at 3400 Spruce St, Philadelphia, PA 19104. Office phone: 2156623606.
What is Dr. Grant Liu's NPI?
Dr. Grant Liu's National Provider Identifier (NPI) is 1699709394, issued by NPPES.
Does Dr. Grant Liu accept Medicare assignment?
Yes. Dr. Grant Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Liu 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); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.