Megan Barnwell, MD
NPI 1629238092 · Cardiovascular Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Barnwell, MD is a Cardiovascular Disease Physician provider in San Antonio, TX (NPI 1629238092).
Provider details
- NPI number
- 1629238092
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- S1345 (TX)
Specialties & taxonomies
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
18 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
1,805 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) |
|---|---|---|
| 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 | 369 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 355 | $174 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 251 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 152 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 286 | 88 |
| Carvedilol | 284 | 83 |
| Amlodipine Besylate | 280 | 92 |
| Atorvastatin Calcium | 231 | 73 |
| Apixabanbrand: Eliquis | 206 | 53 |
| Furosemide | 175 | 62 |
| Losartan Potassium | 164 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$747 across 46 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
- 2008-06-10
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Megan Barnwell's NPI number?
- Megan Barnwell's National Provider Identifier (NPI) is 1629238092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Barnwell's specialty?
- Megan Barnwell is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Barnwell located?
- Megan Barnwell's practice location on file with NPPES is 555 E Basse Rd Ste 117, San Antonio, TX 78209-8329.
- What is Megan Barnwell's phone number?
- The practice phone number listed in the NPPES registry for Megan Barnwell is (210) 615-1366.
- Does Megan Barnwell accept Medicare?
- Megan Barnwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Barnwell's NPI active?
- Yes — Megan Barnwell's NPI (1629238092) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.