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

Dr. Maureen O'Kane Grissom, PHD

Individual provider Psychologist · NPI 1144411513

Dr. Maureen O'Kane Grissom, PHD is a Clinical Psychologist in Houston, Texas. Qualified in 2005, 21 years ago. Practices with Uh Health, a 15-clinician group and accepts Medicare assignment. Licensed in Missouri and Texas.

Years since qualifying
21
Licensed in
MO, TX
In the registry since
2007
Specialties on file
4
What do these letters mean?
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

Health 2 4349 Martin Luther King Blvd Ste 1001E
Houston, TX 77204-0001
Phone: (713) 743-9682
Fax: (713) 743-1049
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 38769 (TX)
Psychologist Taxonomy 103T00000X · Licence 2006034116 (MO)
Psychologist Taxonomy 103T00000X · Licence 38769 (TX)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 2006034116 (MO)

Record details

NPI number1144411513
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 9, 2007
Last updated in NPPESAugust 31, 2022
Certification dateAugust 31, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Uh Health — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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