David Yamada, M.D.
NPI 1861587131 · Family Medicine Physician · Simi Valley, CA
David Yamada, M.D. is a Family Medicine Physician provider in Simi Valley, CA (NPI 1861587131).
Provider details
- NPI number
- 1861587131
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G59560 (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
828 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 | 181 | $101 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 176 | $147 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 137 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $142 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 53 | $69 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 201 | 55 |
| Losartan Potassium | 151 | 38 |
| Amlodipine Besylate | 142 | 39 |
| Levothyroxine Sodium | 128 | 37 |
| Atorvastatin Calcium | 125 | 36 |
| Omeprazole | 86 | 26 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2011-10-05
Frequently asked questions
- What is David Yamada's NPI number?
- David Yamada's National Provider Identifier (NPI) is 1861587131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Yamada's specialty?
- David Yamada is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Yamada located?
- David Yamada's practice location on file with NPPES is 2750 Sycamore Drive, Simi Valley, CA 93065-1500.
- What is David Yamada's phone number?
- The practice phone number listed in the NPPES registry for David Yamada is (805) 527-9140.
- Is David Yamada's NPI active?
- Yes — David Yamada's NPI (1861587131) is active in the NPPES registry as of the last update on 2011-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.