Doctor profile · Federal record
Dr. Michael Sy, M.D.
Neurology Physician (CMS: Neurology) · General Acute Care Hospital · Irvine, CA
- NPI 1376835629
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 15 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Plaza Drive
Irvine, CA 926972308
(949) 824-8816 - Mailing address
-
200 S Manchester Ave
Orange, CA 928683217
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #A124536
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376835629. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
4
Medicare allowed
$31,056
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 149 | 92 | $154 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 42 | 33 | $103 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 15 | 15 | $194 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 11 | $68 |
In context: peer comparison
Among 5 peers in Irvine Neurology Physician, average services per provider: 65. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$7,834
Transactions
35
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech USA, INC. | 4 | $2,786.26 | |
| Tg Therapeutics, INC. | 6 | $1,905.41 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $1,280.00 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $1,037.02 | |
| Genentech, INC. | 2 | $237.53 | |
| Novartis Pharmaceuticals Corporation | 11 | $163.71 | |
| Genzyme Corporation | 1 | $101.29 | |
| Ucb, INC. | 1 | $74.03 | |
| Vanda Pharmaceuticals INC. | 3 | $72.70 | |
| Amgen INC. | 1 | $64.44 | |
| Alexion Pharmaceuticals, INC. | 1 | $44.88 | |
| Celgene Corporation | 1 | $36.15 | |
| Biogen, INC. | 1 | $30.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
685
Patients
64
Total drug cost
$4,489,779
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Baclofen | Generic | 125 | 34 | $6,104 |
| Soliris (Eculizumab) | Brand | 91 | 0 | $2,850,258 |
| Copaxone (Glatiramer Acetate) | Brand | 67 | 11 | $520,622 |
| Gabapentin | Generic | 60 | 19 | $1,821 |
| Tizanidine Hcl | Generic | 51 | 0 | $1,672 |
| Glatiramer Acetate | Generic | 47 | 0 | $136,173 |
| Dalfampridine ER (Dalfampridine) | Brand | 44 | 0 | $23,831 |
| Modafinil | Generic | 35 | 0 | $3,777 |
| Enspryng (Satralizumab-Mwge) | Brand | 31 | 0 | $582,875 |
| Kesimpta Pen (Ofatumumab) | Brand | 31 | 0 | $325,552 |
Frequently asked questions
What is Dr. Michael Sy's medical specialty?
Dr. Michael Sy practices Neurology Physician in Irvine, CA.
Where does Dr. Michael Sy practice?
Dr. Michael Sy practices at 1 Medical Plaza Drive, Irvine, CA 926972308. Office phone: 9498248816.
What is Dr. Michael Sy's NPI?
Dr. Michael Sy's National Provider Identifier (NPI) is 1376835629, issued by NPPES.
Does Dr. Michael Sy accept Medicare assignment?
Yes. Dr. Michael Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Sy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.