Oliver Gantz, M.D.
NPI 1952758260 · Otolaryngology Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oliver Gantz, M.D. is a Otolaryngology Physician provider in Thousand Oaks, CA (NPI 1952758260).
Provider details
- NPI number
- 1952758260
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,443 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 404 | $98 |
| Removal of Impacted Ear Wax69210 | 205 | $49 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 175 | $120 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 160 | $137 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 115 | $139 |
| Exam of Ear Using a Microscope92504 | 101 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 182 | 75 |
| Fluticasone Propionate | 168 | 76 |
| Azelastine Hcl | 141 | 61 |
| Famotidine | 47 | 21 |
| Pantoprazole Sodium | 23 | — |
| Doxycycline Hyclate | 15 | 13 |
| Cevimeline Hcl | 14 | — |
| Ofloxacin | 11 |
Practice location
Mailing address
Additional practice locations (2)
- 1540 Alcazar StreetSuite 204Los Angeles, CA 90033Phone: (323) 442-4830
- 27235 Tourney Rd Ste 2500Santa Clarita, CA 91355-5908Phone: (661) 253-5851
Registry dates
- Enumerated
- 2016-05-17
- Last updated
- 2020-09-30
- Certified
- 2020-09-30
Frequently asked questions
- What is Oliver Gantz's NPI number?
- Oliver Gantz's National Provider Identifier (NPI) is 1952758260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oliver Gantz's specialty?
- Oliver Gantz is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Oliver Gantz located?
- Oliver Gantz's practice location on file with NPPES is 100 Moody Ct Ste 200, Thousand Oaks, CA 91360-6082.
- What is Oliver Gantz's phone number?
- The practice phone number listed in the NPPES registry for Oliver Gantz is (805) 418-3500.
- Does Oliver Gantz accept Medicare?
- Oliver Gantz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oliver Gantz's NPI active?
- Yes — Oliver Gantz's NPI (1952758260) is active in the NPPES registry as of the last update on 2020-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.