Benjamin Loos, MD
NPI 1457441214 · Otolaryngology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Loos, MD is a Otolaryngology Physician provider in Walnut Creek, CA (NPI 1457441214).
Provider details
- NPI number
- 1457441214
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A71850 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,684 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 | 1,016 | $116 |
| Removal of Impacted Ear Wax69210 | 546 | $58 |
| Comprehensive Hearing and Speech Recognition Test92557 | 460 | $46 |
| Test to Assess Middle Ear Function92567 | 460 | $21 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 404 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 200 | 89 |
| Azelastine Hcl | 182 | 61 |
| Ipratropium Bromide | 75 | 31 |
| Ofloxacin | 73 | 58 |
| Fluticasone Propionate | 72 | 29 |
| Mupirocin | 59 | 51 |
| Doxycycline Hyclate | 56 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2025-02-26
- Certified
- 2025-02-26
Frequently asked questions
- What is Benjamin Loos's NPI number?
- Benjamin Loos's National Provider Identifier (NPI) is 1457441214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Loos's specialty?
- Benjamin Loos is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Loos located?
- Benjamin Loos's practice location on file with NPPES is 365 Lennon Ln Ste 280, Walnut Creek, CA 94598-5915.
- What is Benjamin Loos's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Loos is (925) 932-3112.
- Does Benjamin Loos accept Medicare?
- Benjamin Loos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Loos's NPI active?
- Yes — Benjamin Loos's NPI (1457441214) is active in the NPPES registry as of the last update on 2025-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.