Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ronald L Maag, MD

Individual provider Internal Medicine Physician · NPI 1982998183

Ronald L Maag, MD is a Cardiovascular Disease (Cardiology) in Houston, Texas. Qualified in 2011, 15 years ago. Practices with Baylor College of Medicine, a 1,218-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania and Texas.

Years since qualifying
15
Licensed in
PA, TX
In the registry since
2011
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7200 Cambridge St Fl 6
Houston, TX 77030-4202
Phone: (713) 798-2545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 500 University Dr, Hershey, PA 17033-2360 — (717) 531-8407

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence R6435 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT199959 (PA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD454678 (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence R6435 (TX)

Record details

NPI number1982998183
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2011
Last updated in NPPESAugust 15, 2022
Certification dateAugust 15, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Baylor College Of Medicine — 1218 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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