Jose Maria Guanzon, MD
NPI 1134150881 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jose Maria Guanzon, MD is a Internal Medicine Physician provider in San Jose, CA (NPI 1134150881).
Provider details
- NPI number
- 1134150881
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A46670 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 54 | 24 |
| Atorvastatin Calcium | 47 | 27 |
| Pioglitazone Hcl | 31 | 15 |
| Rosuvastatin Calcium | 29 | 16 |
| Empagliflozinbrand: Jardiance | 26 | — |
| Losartan Potassium | 23 | 17 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,688 across 66 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
- 2006-07-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jose Maria Guanzon's NPI number?
- Jose Maria Guanzon's National Provider Identifier (NPI) is 1134150881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jose Maria Guanzon's specialty?
- Jose Maria Guanzon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jose Maria Guanzon located?
- Jose Maria Guanzon's practice location on file with NPPES is 2395 Montpelier Dr, San Jose, CA 95116-1619.
- What is Jose Maria Guanzon's phone number?
- The practice phone number listed in the NPPES registry for Jose Maria Guanzon is (408) 272-3041.
- Does Jose Maria Guanzon accept Medicare?
- Jose Maria Guanzon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jose Maria Guanzon's NPI active?
- Yes — Jose Maria Guanzon's NPI (1134150881) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.