Doctor profile · Federal record

Dr. Derek Asimus

Physician Assistant · Pasadena, CA

  • NPI 1659738516
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
797 S Fair Oaks Ave
Pasadena, CA 911052617
(626) 797-2244
Mailing address
616 W Roses RD
San Gabriel, CA 917752231

Credentials & registration

NPPES · NUCC
NPI registered
January 2016 — 10 yrs on file
Profile last updated
June 20, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #53155

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659738516. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
4
Medicare allowed
$8,377
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 36 $84
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $104
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $152
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $118

In context: peer comparison

Among 16 peers in Pasadena Physician Assistant, average services per provider: 96. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
136
Total drug cost
$1,643
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 28 28 $735
Doxycycline Hyclate Generic 22 21 $218
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 21 $173
Naproxen Generic 20 20 $57
Cephalexin Generic 13 0 $41
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $34
Cyclobenzaprine Hcl Generic 11 11 $18
Lagevrio (Eua) (Molnupiravir) Brand 11 11 $119
Methylprednisolone Generic 11 11 $98
Ofloxacin Generic 11 0 $148

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Asimus's medical specialty?
Dr. Derek Asimus practices Physician Assistant in Pasadena, CA.
Where does Dr. Derek Asimus practice?
Dr. Derek Asimus practices at 797 S Fair Oaks Ave, Pasadena, CA 911052617. Office phone: 6267972244.
What is Dr. Derek Asimus's NPI?
Dr. Derek Asimus's National Provider Identifier (NPI) is 1659738516, issued by NPPES.
Does Dr. Derek Asimus accept Medicare assignment?
Yes. Dr. Derek Asimus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Asimus commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.