Doctor profile · Federal record

Dr. Brent Geffen, MD

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Simi Valley, CA

  • NPI 1528562527
  • Accepts Medicare
  • MIPS 85.4 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2876 Sycamore Dr
Simi Valley, CA 930651530
(805) 379-9646
Additional location
50 N Medical Dr Som 3C120
Salt Lake City, UT 841320001
(801) 581-8471

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
May 30, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (2)
California #185833 · Utah #11393298-1205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528562527. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
599
Distinct HCPCS
8
Medicare allowed
$64,300
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 122 104 $97
69210 Removal of impacted ear wax 116 106 $49
99203 New patient office or other outpatient visit, 30-44 minutes 100 100 $119
99214 Established patient office or other outpatient visit, 30-39 minutes 78 61 $131
99204 New patient office or other outpatient visit, 45-59 minutes 67 67 $175
92504 Exam of ear using a microscope 49 28 $33
31575 Diagnostic exam of voice box using a flexible endoscope 36 31 $140
31231 Diagnostic exam of nasal passages using an endoscope 31 25 $200

In context: peer comparison

Among 1 peers in Simi Valley Otolaryngology Physician, average services per provider: 74. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,583
Transactions
19
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
MED-El Corporation 4 $943.65
Inspire Medical Systems, INC. 9 $365.01
Cochlear Americas 4 $207.72
Genzyme Corporation 1 $42.65
Merck Sharp & Dohme LLC 1 $23.56

By nature of payment

Travel and Lodging
$906
Food and Beverage
$677

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
87
Patients
71
Total drug cost
$1,388
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 30 23 $448
Famotidine Generic 19 11 $215
Ofloxacin Generic 15 14 $496
Cefadroxil Generic 12 12 $72
Methylprednisolone Generic 11 11 $158

Frequently asked questions

Auto-generated from federal data
What is Dr. Brent Geffen's medical specialty?
Dr. Brent Geffen practices Otolaryngology Physician in Simi Valley, CA.
Where does Dr. Brent Geffen practice?
Dr. Brent Geffen practices at 2876 Sycamore Dr, Simi Valley, CA 930651530. Office phone: 8053799646.
What is Dr. Brent Geffen's NPI?
Dr. Brent Geffen's National Provider Identifier (NPI) is 1528562527, issued by NPPES.
Does Dr. Brent Geffen accept Medicare assignment?
Yes. Dr. Brent Geffen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brent Geffen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of impacted ear wax (HCPCS 69210); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.