Calvin Kwong, M.D.
NPI 1720406119 · Interventional Cardiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Kwong, M.D. is a Interventional Cardiology Physician provider in San Francisco, CA (NPI 1720406119).
Provider details
- NPI number
- 1720406119
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A139761 (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
12 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
1,515 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 177 | $76 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 170 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 169 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $153 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 84 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 160 | 59 |
| Furosemide | 135 | 49 |
| Apixabanbrand: Eliquis | 134 | 42 |
| Metoprolol Succinate | 97 | 36 |
| Amlodipine Besylate | 96 | 42 |
| Metoprolol Tartrate | 91 | 28 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,504 across 160 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)
- 1500 Southgate Ave Ste 202Daly City, CA 94015-2231Phone: (650) 991-3200Fax: (650) 991-1153
Registry dates
- Enumerated
- 2014-04-02
- Last updated
- 2023-09-07
- Certified
- 2023-09-07
Frequently asked questions
- What is Calvin Kwong's NPI number?
- Calvin Kwong's National Provider Identifier (NPI) is 1720406119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Kwong's specialty?
- Calvin Kwong is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Kwong located?
- Calvin Kwong's practice location on file with NPPES is 2250 Hayes St Ste 204, San Francisco, CA 94117-1078.
- What is Calvin Kwong's phone number?
- The practice phone number listed in the NPPES registry for Calvin Kwong is (415) 933-9100.
- Does Calvin Kwong accept Medicare?
- Calvin Kwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Kwong's NPI active?
- Yes — Calvin Kwong's NPI (1720406119) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.