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

Alexander Constantine, MD

Individual provider Internal Medicine Physician · NPI 1902332901

Alexander Constantine, MD is an Internal Medicine in Houston, Texas. Graduated from University of Texas Medical School at San Antonio in 2017, 9 years ago. Practices with Kelsey-Seybold Medical Group, PLLC, a 942-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
9
Trained at
University of Texas Medical School at San Antonio
Licensed in
TX
In the registry since
2017
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

1 Baylor Plz
Houston, TX 77030-3411
Phone: (713) 798-5588
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2727 W Holcombe Blvd, Houston, TX 77025-1669 — (713) 442-0000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence S9670 (TX)

Record details

NPI number1902332901
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2017
Last updated in NPPESSeptember 17, 2021
Certification dateSeptember 17, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2017 (9 years in practice)
Group practice Kelsey-Seybold Medical Group, Pllc — 942 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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