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

Ryan Michael Cassidy, MD, PHD

Individual provider Psychiatry Physician · NPI 1811517618

Ryan Michael Cassidy, MD, PHD is a Psychiatry in Houston, Texas. Graduated from University of Texas Medical School at Houston in 2020, 6 years ago. Practices with UT Physicians, a 1,732-clinician group and accepts Medicare assignment. Licensed in Tennessee and Texas.

Years since qualifying
6
Trained at
University of Texas Medical School at Houston
Licensed in
TN, TX
In the registry since
2020
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5615 H Mark Crosswell Jr St
Houston, TX 77021-1080
Phone: (713) 500-1500
Fax: (713) 500-2714
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence U9488 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence 64423 (TN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1811517618
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 21, 2020
Last updated in NPPESJune 10, 2024
Certification dateJune 10, 2024

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2020 (6 years in practice)
Group practice Ut Physicians — 1732 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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