Doctor profile · Federal record

Dr. Justin Mikesell

Physician Assistant · Physician Assistant · Thousand Oaks, CA

  • NPI 1649991720
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3095 Old Conejo RD Ste 200
Thousand Oaks, CA 913202130
(805) 298-7034
Mailing address
2012 S Pump House Ln
Santa Paula, CA 930608024

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #61471

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649991720. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
155
Distinct HCPCS
6
Medicare allowed
$13,681
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 65 51 $83
99203 New patient office or other outpatient visit, 30-44 minutes 29 29 $103
88305 Pathology examination of tissue using a microscope, intermediate complexity 20 14 $33
17004 Destruction of precancer skin growth, 15 or more growths 16 15 $162
17110 Destruction of skin growth, 1-14 growths 14 11 $107
17000 Destruction of precancer skin growth, 1 growth 11 11 $52

In context: peer comparison

Among 11 peers in this city , average services per provider: 122. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,237
Transactions
48
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Arcutis Biotherapeutics, Inc. 4 $247.24
ABBVIE INC. 10 $184.40
GENZYME CORPORATION 8 $182.68
E.R. Squibb & Sons, L.L.C. 5 $137.57
PFIZER INC. 5 $109.57
Regeneron Healthcare Solutions, Inc. 4 $105.34
Incyte Corporation 4 $97.76
Amgen Inc. 3 $57.69
Janssen Biotech, Inc. 2 $47.98
Novartis Pharmaceuticals Corporation 1 $26.73
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $22.33
Lilly USA, LLC 1 $17.48

By nature of payment

Food and Beverage
$1,237

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
441
Patients
194
Total drug cost
$67,084
Drug Type Claims Patients Total cost
Ketoconazole Generic 90 46 $2,977
Tacrolimus Generic 60 32 $27,283
Clobetasol Propionate Generic 33 17 $5,881
Hydroxyzine Hcl Generic 33 11 $158
Fluocinonide Generic 30 18 $2,490
Alclometasone Dipropionate Generic 29 16 $2,374
Clindamycin Phosphate Generic 28 15 $2,189
Doxycycline Hyclate Generic 24 12 $1,943
Doxycycline Monohydrate Generic 19 0 $3,134
Halobetasol Propionate Generic 19 0 $3,498

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Mikesell's medical specialty?
Dr. Justin Mikesell practices Physician Assistant in Thousand Oaks, CA.
Where does Dr. Justin Mikesell practice?
Dr. Justin Mikesell practices at 3095 Old Conejo RD Ste 200, Thousand Oaks, CA 913202130. Office phone: 8052987034.
What is Dr. Justin Mikesell's NPI?
Dr. Justin Mikesell's National Provider Identifier (NPI) is 1649991720, issued by NPPES.
Does Dr. Justin Mikesell accept Medicare assignment?
Yes. Dr. Justin Mikesell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Mikesell 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); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.