Teresita Belen Gan, MD
NPI 1114028727 · Family Medicine Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresita Belen Gan, MD is a Family Medicine Physician provider in West Covina, CA (NPI 1114028727).
Provider details
- NPI number
- 1114028727
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A036156 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 103 | 49 |
| Atorvastatin Calcium | 67 | 32 |
| Metformin Hcl | 66 | 28 |
| Rosuvastatin Calcium | 53 | 26 |
| Losartan Potassium | 48 | 21 |
| Irbesartan | 47 | 26 |
| Telmisartan | 39 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$563 across 18 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
- 2006-09-26
- Last updated
- 2007-07-09
Frequently asked questions
- What is Teresita Belen Gan's NPI number?
- Teresita Belen Gan's National Provider Identifier (NPI) is 1114028727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresita Belen Gan's specialty?
- Teresita Belen Gan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresita Belen Gan located?
- Teresita Belen Gan's practice location on file with NPPES is 1433 W Merced, West Covina, CA 91790.
- What is Teresita Belen Gan's phone number?
- The practice phone number listed in the NPPES registry for Teresita Belen Gan is (626) 960-4989.
- Does Teresita Belen Gan accept Medicare?
- Teresita Belen Gan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresita Belen Gan's NPI active?
- Yes — Teresita Belen Gan's NPI (1114028727) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.