Doctor profile · Federal record

Dr. Nelson Owyoung, M.D.

Neurology Physician (CMS: Neurology) · Alhambra, CA

  • NPI 1073543641
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1048 S Garfield Ave, Suite 202
Alhambra, CA 918014768
(626) 570-4708
fax (626) 570-4348

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 8, 2010
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A40475
Medicaid
CA #00A404751

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073543641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,155
Distinct HCPCS
8
Medicare allowed
$207,024
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,269 224 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 236 132 $139
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 219 197 $137
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 159 29 $52
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 155 26 $79
99204 New patient office or other outpatient visit, 45-59 minutes 83 83 $180
95819 Measurement of brain wave activity (eeg), awake and asleep 18 14 $60
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 16 16 $141

In context: peer comparison

Among 2 peers in this city , average services per provider: 229. This provider delivers 9.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$702
Transactions
26
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
SK Life Science, Inc. 17 $382.71
Teva Pharmaceuticals USA, Inc. 6 $154.02
Alexion Pharmaceuticals, Inc. 1 $119.83
Amneal Pharmaceuticals LLC 2 $45.32

By nature of payment

Food and Beverage
$591
Education
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,436
Patients
224
Total drug cost
$397,508
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 256 46 $9,222
Memantine Hcl Generic 133 28 $5,693
Donepezil Hcl Generic 128 32 $1,897
Amlodipine Besylate Generic 99 18 $841
Rytary (Carbidopa/Levodopa) Brand 99 18 $114,958
Atorvastatin Calcium Generic 90 14 $1,271
Topiramate Generic 87 14 $1,094
Lacosamide Generic 83 0 $17,826
Sertraline Hcl Generic 82 19 $865
Tramadol Hcl Generic 79 23 $893

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelson Owyoung's medical specialty?
Dr. Nelson Owyoung practices Neurology Physician in Alhambra, CA.
Where does Dr. Nelson Owyoung practice?
Dr. Nelson Owyoung practices at 1048 S Garfield Ave, Alhambra, CA 918014768. Office phone: 6265704708.
What is Dr. Nelson Owyoung's NPI?
Dr. Nelson Owyoung's National Provider Identifier (NPI) is 1073543641, issued by NPPES.
Does Dr. Nelson Owyoung accept Medicare assignment?
Yes. Dr. Nelson Owyoung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelson Owyoung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.