Gary Chan, DO
NPI 1548649254 · Cardiovascular Disease Physician · Canton, GA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Chan, DO is a Cardiovascular Disease Physician provider in Canton, GA (NPI 1548649254).
Provider details
- NPI number
- 1548649254
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 99861 (GA)
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,204 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 378 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 237 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 206 | $61 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 122 | $33 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $121 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 778 | 218 |
| Metoprolol Succinate | 654 | 177 |
| Apixabanbrand: Eliquis | 393 | 86 |
| Ezetimibe | 339 | 108 |
| Rosuvastatin Calcium | 336 | 99 |
| Carvedilol | 330 | 78 |
| Losartan Potassium | 306 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 3 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)
- 801 5th St Ste 5851Sioux City, IA 51101-1326Phone: (712) 294-7022
Registry dates
- Enumerated
- 2015-05-27
- Last updated
- 2025-01-09
- Certified
- 2025-01-09
Frequently asked questions
- What is Gary Chan's NPI number?
- Gary Chan's National Provider Identifier (NPI) is 1548649254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Chan's specialty?
- Gary Chan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Chan located?
- Gary Chan's practice location on file with NPPES is 15 Reinhardt College Pkwy Ste 110a, Canton, GA 30114-5257.
- What is Gary Chan's phone number?
- The practice phone number listed in the NPPES registry for Gary Chan is (770) 720-2383.
- Does Gary Chan accept Medicare?
- Gary Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Chan's NPI active?
- Yes — Gary Chan's NPI (1548649254) is active in the NPPES registry as of the last update on 2025-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.