Doctor profile · Federal record
Dr. Phillip Ahn, M.D.
Neurology Physician (CMS: Neurology) · Los Angeles, CA
- NPI 1104921832
- Accepts Medicare
- MIPS 92.5 / 100 · 2023
- 37 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
520 S Virgil Ave., Suite 205
Los Angeles, CA 900201425
(213) 251-3333
fax (213) 383-3845
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 24, 2013
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #A52241
- Medicaid
- CA #00A522410
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104921832. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15,856
Distinct HCPCS
10
Medicare allowed
$466,289
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0585 |
Injection, onabotulinumtoxina, 1 unit | 7,140 | 31 | $6 | |
J0588 |
Injection, incobotulinumtoxin a, 1 unit | 5,690 | 16 | $5 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,202 | 451 | $100 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 320 | 182 | $99 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 216 | 193 | $141 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 205 | 205 | $183 | |
95886 |
Needle measurement of electrical activity in arm or leg muscles, complete study | 153 | 75 | $112 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 81 | 81 | $454 | |
95930 |
Measurement of nerve conduction using visual stimulation testing with report | 81 | 81 | $78 | |
95957 |
Measurement of brain wave activity (eeg), digital analysis | 81 | 81 | $320 |
In context: peer comparison
Among 85 peers in Los Angeles Neurology Physician, average services per provider: 411. This provider delivers 39× the peer median.Open Payments
Industry payments received
All-time total
$1,119
Transactions
40
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 9 | $244.98 | |
| Lilly USA, LLC | 5 | $153.25 | |
| Pfizer INC. | 4 | $102.69 | |
| Lundbeck LLC | 4 | $81.51 | |
| Merz Pharmaceuticals, LLC | 2 | $72.25 | |
| Sk Life Science, INC. | 2 | $63.77 | |
| Otsuka America Pharmaceutical, INC. | 3 | $61.66 | |
| Averitas Pharma INC. | 2 | $55.08 | |
| Eisai INC. | 2 | $43.90 | |
| Neurelis, INC. | 1 | $41.65 | |
| Neurocrine Biosciences, INC. | 1 | $35.42 | |
| Acadia Pharmaceuticals INC | 2 | $34.02 | |
| Boston Scientific Corporation | 1 | $29.30 | |
| InSightec,INC | 1 | $27.90 | |
| Sumitomo Pharma America, INC. | 1 | $27.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,742
Patients
978
Total drug cost
$164,082
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 879 | 232 | $19,898 |
| Gabapentin | Generic | 771 | 235 | $23,639 |
| Memantine Hcl | Generic | 342 | 88 | $19,769 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 293 | 83 | $10,660 |
| Primidone | Generic | 242 | 65 | $4,531 |
| Levetiracetam | Generic | 236 | 57 | $9,328 |
| Sertraline Hcl | Generic | 164 | 42 | $2,507 |
| Pramipexole Dihydrochloride (Pramipexole di-Hcl) | Brand | 144 | 30 | $6,058 |
| Memantine Hcl ER (Memantine Hcl) | Brand | 140 | 31 | $48,056 |
| Pregabalin | Generic | 118 | 24 | $4,963 |
Frequently asked questions
What is Dr. Phillip Ahn's medical specialty?
Dr. Phillip Ahn practices Neurology Physician in Los Angeles, CA.
Where does Dr. Phillip Ahn practice?
Dr. Phillip Ahn practices at 520 S Virgil Ave., Los Angeles, CA 900201425. Office phone: 2132513333.
What is Dr. Phillip Ahn's NPI?
Dr. Phillip Ahn's National Provider Identifier (NPI) is 1104921832, issued by NPPES.
Does Dr. Phillip Ahn accept Medicare assignment?
Yes. Dr. Phillip Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phillip Ahn commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Injection, incobotulinumtoxin a, 1 unit (HCPCS J0588); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.