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

Sean O'Mahony, MD

Individual provider Internal Medicine Physician · NPI 1467542290

Sean O'Mahony, MD is a Hospice/Palliative Care in Galveston, Texas. Qualified in 1991, 35 years ago. Practices with UTMB Faculty Group Practice, a 1,074-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Texas.

Years since qualifying
35
Licensed in
IL, TX
In the registry since
2006
Specialties on file
2
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

1005 Harborside Dr Fl 6
Galveston, TX 77555-0001
Phone: (409) 772-4950
Fax: (409) 747-0707
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1725 W Harrison St Ste 10, Chicago, IL 60612-3849 — (312) 942-7030
  • Mmc-Palliative Care Servc, Bronx, NY 10467 — (718) 920-6378

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence W0973 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036126119 (IL)

Record details

NPI number1467542290
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESSeptember 5, 2025
Certification dateSeptember 5, 2025

Medicare enrollment

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

Medicare specialtyHOSPICE/PALLIATIVE CARE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Utmb Faculty Group Practice — 1074 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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