NPPES file of Aug 9, 2026

Catharine Astromelia Kral Kollars, M.D.

Pediatric Cardiology Physician · San Antonio, TX

Catharine Astromelia Kral Kollars, M.D. is a pediatric cardiology physician with a practice address in San Antonio, Texas, and NPI 1578543435, issued on Jan 18, 2006. Check the license (Texas N3797, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578543435
Name
Catharine Astromelia Kral Kollars
Credential
M.D.
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License number
N3797 TX
Self-reported in NPPES; status is on the state search
Practice location
4499 Medical Dr, San Antonio, TX 78229
Phone
(210) 614-3264
Enumerated
Jan 18, 2006
Record last updated
Jan 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(210) 615-0888
Medicare enrollment
Enrolled (PECOS I20091209000055); accepts Medicare assignment
Medical or professional school
Mayo Medical School, 2002
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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8 nearest pediatric cardiology physician records → All 325 in Texas → Look up another NPI →

Also registered at 4499 Medical Dr

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

  1. Patricia Allen, CWHNPWomen's Health Nurse Practitioner1598956211
  2. John Ayala, M.D.Specialist1346329455
  3. Kristie Borgman, MDPediatric Cardiology Physician1033266846
  4. Alan Braid, MDObstetrics Physician1205810447
  5. David Brennen, MDPediatric Cardiology Physician1629136692
  6. Kevin Browne, M.D.Otolaryngology Physician1568531390

Verify Catharine Astromelia Kral Kollars in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N3797    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Methodist Physician Practices PLLCSan Antonio, TX

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

Catharine Astromelia Kral Kollars among 325 pediatric cardiology physician records in Texas

Catharine Astromelia Kral Kollars, M.D. is one of 325 pediatric cardiology physician records with a practice address in Texas. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 64% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2002 · median 2004 among the 163 with a school on file
  • Record last updated2014 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in Texas

There are 325 pediatric cardiology physician records in Texas.

All 325 in Texas → Every provider in San Antonio → Pediatric Cardiology Physician nationwide →

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Ginnie Abarbanell, MDSan Antonio, TX 782291760427371
  2. Kristie Borgman, MDSan Antonio, TX 782291033266846
  3. David Brennen, MDSan Antonio, TX 782291629136692
  4. David Bush, M.D., PH.D.San Antonio, TX 782291033171228
  5. Bibhuti Das, MDSan Antonio, TX 782291316943376
  6. Patrick Glasow, MDSan Antonio, TX 782291568468791
  7. Teresa Hospers, M.D.San Antonio, TX 782291447239298
  8. Elaine Maldonado, MDSan Antonio, TX 782291902897341

Common questions

What is Catharine Astromelia Kral Kollars, M.D.'s NPI number?

Catharine Astromelia Kral Kollars, M.D.'s National Provider Identifier (NPI) is 1578543435, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catharine Astromelia Kral Kollars, M.D. located?

The NPPES record lists a practice address at 4499 Medical Dr, San Antonio, TX, 78229. Phone: (210) 614-3264. Providers update this record themselves, so call before visiting.

How can I verify Catharine Astromelia Kral Kollars, M.D.'s license?

NPPES lists Texas license number N3797, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.