Robert Yamane, MD
NPI 1174542898 · Internal Medicine Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Yamane, MD is a Internal Medicine Physician provider in Westlake Village, CA (NPI 1174542898).
Provider details
- NPI number
- 1174542898
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G56063 (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
1,213 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 500 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $97 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 120 | $191 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 105 | $138 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 104 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 151 | 53 |
| Amlodipine Besylate | 73 | 31 |
| Atorvastatin Calcium | 73 | 32 |
| Levothyroxine Sodium | 72 | 26 |
| Lisinopril | 55 | 22 |
| Meloxicam | 50 | 24 |
| Losartan Potassium | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2025-01-08
- Certified
- 2025-01-08
Frequently asked questions
- What is Robert Yamane's NPI number?
- Robert Yamane's National Provider Identifier (NPI) is 1174542898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Yamane's specialty?
- Robert Yamane is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Yamane located?
- Robert Yamane's practice location on file with NPPES is 141 Triunfo Canyon Rd Ste 110, Westlake Village, CA 91361-2525.
- What is Robert Yamane's phone number?
- The practice phone number listed in the NPPES registry for Robert Yamane is (805) 371-1393.
- Does Robert Yamane accept Medicare?
- Robert Yamane is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Yamane's NPI active?
- Yes — Robert Yamane's NPI (1174542898) is active in the NPPES registry as of the last update on 2025-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.