Michael Kwan, M.D.
NPI 1942267802 · Cardiovascular Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kwan, M.D. is a Cardiovascular Disease Physician provider in San Antonio, TX (NPI 1942267802).
Provider details
- NPI number
- 1942267802
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L4509 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,009 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 | 296 | $202 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 192 | $113 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 102 | $64 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 93 | $136 |
| Heart Muscle Strain Imaging93356 | 57 | $11 |
| 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pravastatin Sodium | 111 | 33 |
| Pantoprazole Sodium | 102 | 36 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 70 | 26 |
| Valganciclovir Hcl | 64 | 26 |
| Gabapentin | 62 | 26 |
| Potassium Chloride | 56 | 27 |
| Prednisone | 49 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,143 across 51 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
- 2006-04-26
- Last updated
- 2017-02-13
Frequently asked questions
- What is Michael Kwan's NPI number?
- Michael Kwan's National Provider Identifier (NPI) is 1942267802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kwan's specialty?
- Michael Kwan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kwan located?
- Michael Kwan's practice location on file with NPPES is 4499 Medical Dr, San Antonio, TX 78229-3735.
- What is Michael Kwan's phone number?
- The practice phone number listed in the NPPES registry for Michael Kwan is (210) 575-8514.
- Does Michael Kwan accept Medicare?
- Michael Kwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kwan's NPI active?
- Yes — Michael Kwan's NPI (1942267802) is active in the NPPES registry as of the last update on 2017-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.