Gene Kwan, MD
NPI 1104977420 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gene Kwan, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1104977420).
Provider details
- NPI number
- 1104977420
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 238206 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
267 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 54 | $124 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 47 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 32 | $17 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 28 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 85 | 17 |
| Metoprolol Succinate | 72 | 22 |
| Atorvastatin Calcium | 66 | 20 |
| Lisinopril | 44 | 11 |
| Rosuvastatin Calcium | 35 | 11 |
| Furosemide | 25 | 13 |
| Hydrochlorothiazide | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-15
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Gene Kwan's NPI number?
- Gene Kwan's National Provider Identifier (NPI) is 1104977420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gene Kwan's specialty?
- Gene Kwan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gene Kwan located?
- Gene Kwan's practice location on file with NPPES is 732 Harrison Ave, Boston, MA 02118-2526.
- What is Gene Kwan's phone number?
- The practice phone number listed in the NPPES registry for Gene Kwan is (617) 638-7490.
- Does Gene Kwan accept Medicare?
- Gene Kwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gene Kwan's NPI active?
- Yes — Gene Kwan's NPI (1104977420) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.