Guanzon Medical Office, Inc
NPI 1174644835 · Internal Medicine Physician · San Jose, CA
Guanzon Medical Office, Inc is a Internal Medicine Physician organization in San Jose, CA (NPI 1174644835).
Provider details
- NPI number
- 1174644835
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Teresita Guanzon, Vice-President(408) 272-3041
- License
- A046671 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2008-08-12
Frequently asked questions
- What is Guanzon Medical Office, Inc's NPI number?
- Guanzon Medical Office, Inc's National Provider Identifier (NPI) is 1174644835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guanzon Medical Office, Inc?
- Guanzon Medical Office, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guanzon Medical Office, Inc located?
- Guanzon Medical Office, Inc's practice location on file with NPPES is 2395 Montpelier Dr, San Jose, CA 95116-1619.
- What is Guanzon Medical Office, Inc's phone number?
- The practice phone number listed in the NPPES registry for Guanzon Medical Office, Inc is (408) 272-3041.
- Who is the authorized official for Guanzon Medical Office, Inc?
- The authorized official listed on Guanzon Medical Office, Inc's NPPES record is Teresita Guanzon, Vice-President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guanzon Medical Office, Inc's NPI active?
- Yes — Guanzon Medical Office, Inc's NPI (1174644835) is active in the NPPES registry as of the last update on 2008-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.