Marvin Masada, MD.
NPI 1891851929 · Family Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Masada, MD. is a Family Medicine Physician provider in San Jose, CA (NPI 1891851929).
Provider details
- NPI number
- 1891851929
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A062906 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
743 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 | 337 | $105 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 255 | $149 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $148 |
| Administration of Influenza Virus VaccineG0008 | 30 | $25 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 24 | $194 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 600 | 177 |
| Amlodipine Besylate | 422 | 131 |
| Losartan Potassium | 311 | 85 |
| Levothyroxine Sodium | 305 | 76 |
| Metformin Hcl | 273 | 74 |
| Alendronate Sodium | 163 | 46 |
| Amlodipine Besylate/Benazeprilbrand: Amlodipine Besylate-Benazepril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$407 across 13 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
Registry dates
- Enumerated
- 2007-01-01
- Last updated
- 2015-05-20
Frequently asked questions
- What is Marvin Masada's NPI number?
- Marvin Masada's National Provider Identifier (NPI) is 1891851929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Masada's specialty?
- Marvin Masada is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Masada located?
- Marvin Masada's practice location on file with NPPES is 1569 Lexann Ave, San Jose, CA 95121-1794.
- What is Marvin Masada's phone number?
- The practice phone number listed in the NPPES registry for Marvin Masada is (408) 274-1654.
- Does Marvin Masada accept Medicare?
- Marvin Masada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Masada's NPI active?
- Yes — Marvin Masada's NPI (1891851929) is active in the NPPES registry as of the last update on 2015-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.