Larry Chan, D.O.
NPI 1215259221 · Interventional Cardiology Physician · Upland, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Chan, D.O. is a Interventional Cardiology Physician provider in Upland, CA (NPI 1215259221).
Provider details
- NPI number
- 1215259221
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A13480 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
16 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
3,878 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 738 | $135 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 344 | $70 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 339 | $122 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 234 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 217 | $201 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 1,623 | 388 |
| Losartan Potassium | 1,387 | 381 |
| Amlodipine Besylate | 1,179 | 311 |
| Furosemide | 1,127 | 272 |
| Apixabanbrand: Eliquis | 891 | 175 |
| Potassium Chloride | 838 | 203 |
| Atorvastatin Calcium | 744 | 191 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,585 across 123 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
- 2010-02-17
- Last updated
- 2026-03-26
- Certified
- 2026-03-26
Frequently asked questions
- What is Larry Chan's NPI number?
- Larry Chan's National Provider Identifier (NPI) is 1215259221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Chan's specialty?
- Larry Chan is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Chan located?
- Larry Chan's practice location on file with NPPES is 685 N 13th Ave Ste 2, Upland, CA 91786-4963.
- What is Larry Chan's phone number?
- The practice phone number listed in the NPPES registry for Larry Chan is (909) 500-8683.
- Does Larry Chan accept Medicare?
- Larry Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Chan's NPI active?
- Yes — Larry Chan's NPI (1215259221) is active in the NPPES registry as of the last update on 2026-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.