NPPES file of Aug 9, 2026

Megan Lynn Barnwell, MD

Cardiovascular Disease Physician · San Antonio, TX

Megan Lynn Barnwell, MD is a cardiovascular disease physician with a practice address in San Antonio, Texas, and NPI 1629238092, issued on Jun 10, 2008. Check the license (Texas S1345, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629238092
Name
Megan Lynn Barnwell
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
S1345 TX
D70259 MD
Self-reported in NPPES; status is on the state search
Practice location
555 E Basse RD Ste 117, San Antonio, TX 78209
Phone
(210) 615-1366
Enumerated
Jun 10, 2008
Record last updated
Mar 2, 2026
Fax
(210) 595-8229
Medicare enrollment
Enrolled (PECOS I20200220000827); accepts Medicare assignment
Medical or professional school
Uniformed Services Uhs Fe Hebert School Of Med, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 555 E Basse RD Ste 117

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Renee Fletcher, MSN, RN, CNSMedical-Surgical Clinical Nurse Specialist1750086583
  2. Emily Jones, ATC/LATAthletic Trainer1881253334
  3. Christian Longoria, R.N., F.N.P.Family Nurse Practitioner1215043690
  4. Eric Stocker, MDCardiovascular Disease Physician1891765624

Verify Megan Lynn Barnwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S1345
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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9% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,351 Medicare Part D claims for 434 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Megan Barnwell3,351
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium286 claims
  2. Carvedilol284 claims
  3. Amlodipine Besylate280 claims
  4. Atorvastatin Calcium231 claims
  5. Eliquis206 claims
  6. Furosemide175 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $746.85

46 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Megan Barnwell$746.85
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cardiology Clinic OF San Antonio, PLLCLive Oak, TX
  2. Craig Cardiovascular Center PAGonzales, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Megan Lynn Barnwell among 1,603 cardiovascular disease physician records in Texas

Megan Lynn Barnwell, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 67% of them.

  • NPI issued2008 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2008 · median 1998 among the 1,219 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Sravani AvulaSan Antonio, TX 782091215311741
  2. Max Garoutte, M.D.San Antonio, TX 782091235135344
  3. Eric Stocker, MDSan Antonio, TX 782091891765624
  4. Bakthavathsalam Athreya, M.D.San Antonio, TX 782071548283385
  5. Danish Bawa, MDSan Antonio, TX 782071295297042
  6. William Campbell, M.D.San Antonio, TX 782071265455745
  7. David Cardona Estrada, M.D.San Antonio, TX 782071407208861
  8. Jose Diaz, MDSan Antonio, TX 782071578553764

Common questions

What is Megan Lynn Barnwell, MD's NPI number?

Megan Lynn Barnwell, MD's National Provider Identifier (NPI) is 1629238092, issued on Jun 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Megan Lynn Barnwell, MD located?

The NPPES record lists a practice address at 555 E Basse RD Ste 117, San Antonio, TX, 78209. Phone: (210) 615-1366. Providers update this record themselves, so call before visiting.

How can I verify Megan Lynn Barnwell, MD's license?

NPPES lists Texas license number S1345, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Megan Lynn Barnwell, MD prescribe under Medicare Part D?

In 2024, Megan Lynn Barnwell, MD had 3,351 Medicare Part D claims for 434 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Megan Lynn Barnwell, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.