Anthony Gan
NPI 1902223092 · Pulmonary Disease Physician · Pomona, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Gan is a Pulmonary Disease Physician provider in Pomona, CA (NPI 1902223092).
Provider details
- NPI number
- 1902223092
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,226 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 432 | $216 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 280 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 93 | $194 |
| Critical Care, Each Additional 30 Minutes99292 | 60 | $109 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 59 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 286 | 74 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 134 | 43 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 60 | 14 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 41 | — |
| Montelukast Sodium | 40 | 12 |
| Fluticasone Propionate | 31 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,910 across 79 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
Additional practice locations (1)
- 400 N Pepper AveColton, CA 92324-1801Phone: (909) 580-6266
Registry dates
- Enumerated
- 2014-03-26
- Last updated
- 2021-05-03
- Certified
- 2021-05-03
Frequently asked questions
- What is Anthony Gan's NPI number?
- Anthony Gan's National Provider Identifier (NPI) is 1902223092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Gan's specialty?
- Anthony Gan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Gan located?
- Anthony Gan's practice location on file with NPPES is 1940 N Orange Grove Ave Ste a, Pomona, CA 91767-3002.
- What is Anthony Gan's phone number?
- The practice phone number listed in the NPPES registry for Anthony Gan is (909) 865-6900.
- Does Anthony Gan accept Medicare?
- Anthony Gan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Gan's NPI active?
- Yes — Anthony Gan's NPI (1902223092) is active in the NPPES registry as of the last update on 2021-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.