Megan Malchak Obrien, MD
Pediatrics Physician · San Antonio, TX
Megan Malchak Obrien, MD is a pediatrics physician with a practice address in San Antonio, Texas, and NPI 1033125588, issued on Aug 1, 2006. Check the license (Texas M4403, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Megan Malchak Obrien
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- M4403 TX
Self-reported in NPPES; status is on the state search - Practice location
- 333 N Santa Rosa St, San Antonio, TX 78207
- Phone
- (210) 704-2190
- Enumerated
- Aug 1, 2006
- Record last updated
- Feb 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,641 in Texas → Look up another NPI →
Also registered at 333 N Santa Rosa St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arpit Agarwal, M.DPediatric Cardiology Physician1336428689
- Chatchawin Assanasen, MDPediatric Hematology & Oncology Physician1205852779
- Gregory Aune, M.D., PH.DPediatric Hematology & Oncology Physician1609920073
- Niveditha Balakumar, MDPediatric Critical Care Medicine Physician1487061321
- Michelle Barajaz, MDPediatrics Physician1154348936
Verify Megan Malchak Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M4403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $84.19
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Megan Malchak Obrien among 5,641 pediatrics physician records in Texas
Megan Malchak Obrien, MD is one of 5,641 pediatrics physician records with a practice address in Texas. 47% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
462 pediatrics physician records list a practice address in San Antonio
They are 462 of the 37,749 NPPES records with a practice address in San Antonio, and 5,641 pediatrics physician records in Texas.
All 5,641 in Texas → Every provider in San Antonio → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lorraine Barnes, M.D.San Antonio, TX 782071093717126
- Alberto Carranza, M.D., F.A.A.P.San Antonio, TX 782071073507810
- Deanna Dance-Kwan, M.D.San Antonio, TX 782071902851934
- Charles Dubose, MDSan Antonio, TX 782071750335485
- M Gonzalez, MDSan Antonio, TX 782071437114238
- Jorge Grosz, MDSan Antonio, TX 782071750342432
- Deepak Kamat, MD PHDSan Antonio, TX 782071174561807
- Nancy Kellogg, MDSan Antonio, TX 782071386681013
Common questions
What is Megan Malchak Obrien, MD's NPI number?
Megan Malchak Obrien, MD's National Provider Identifier (NPI) is 1033125588, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Megan Malchak Obrien, MD located?
The NPPES record lists a practice address at 333 N Santa Rosa St, San Antonio, TX, 78207. Phone: (210) 704-2190. Providers update this record themselves, so call before visiting.
How can I verify Megan Malchak Obrien, MD's license?
NPPES lists Texas license number M4403, 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.
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.