Brent Geffen, MD
NPI 1528562527 · Otolaryngology Physician · Simi Valley, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brent Geffen, MD is a Otolaryngology Physician provider in Simi Valley, CA (NPI 1528562527).
Provider details
- NPI number
- 1528562527
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 185833 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,656 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 384 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 263 | $135 |
| Removal of Impacted Ear Wax69210 | 260 | $50 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 235 | $119 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 129 | $175 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 69 | 38 |
| Fluticasone Propionate | 69 | 48 |
| Pantoprazole Sodium | 60 | 37 |
| Ipratropium Bromide | 49 | 19 |
| Fluocinolone Acetonide Oil | 33 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 29 |
| Methylprednisolone | 28 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,583 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 50 N Medical Dr Som 3c120Salt Lake City, UT 84132-0001Phone: (801) 581-8471
Registry dates
- Enumerated
- 2018-03-22
- Last updated
- 2023-05-30
- Certified
- 2023-05-30
Frequently asked questions
- What is Brent Geffen's NPI number?
- Brent Geffen's National Provider Identifier (NPI) is 1528562527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brent Geffen's specialty?
- Brent Geffen is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Brent Geffen located?
- Brent Geffen's practice location on file with NPPES is 2876 Sycamore Dr, Simi Valley, CA 93065-1530.
- What is Brent Geffen's phone number?
- The practice phone number listed in the NPPES registry for Brent Geffen is (805) 379-9646.
- Does Brent Geffen accept Medicare?
- Brent Geffen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brent Geffen's NPI active?
- Yes — Brent Geffen's NPI (1528562527) is active in the NPPES registry as of the last update on 2023-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.