DR. MAUREEN O'KANE GRISSOM (PH.D.) – Clinical Psychologist, NPI 1144411513

DR. MAUREEN O'KANE GRISSOM (PH.D.) is a healthcare provider. based in Houston, Texas. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 2006034116 (MO). The NPI Number for DR. MAUREEN O'KANE GRISSOM (PH.D.) is 1144411513

Main info

Female
21 Years Of Experience
Accepts Medicare Assignment
Name
DR. MAUREEN O'KANE GRISSOM (PH.D.)
NPI
1144411513
Phone
(713) 743-9682
Address
HEALTH 2, 4349 MARTIN LUTHER KING BLVD SUITE 1001E
Enumeration Date
9 August 2007
Last Update Date
31 August 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7137439682
Graduation Year
2005 (21 years ago)
PAC ID
6507265170
Group Practice PAC ID
5496137499
Professional Enrollment ID
I20210602000821
Address ID
TX772043019HO4349X1001601
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience79
Completeness75
Years active:18State licenses:2Digital endpointsOther names

449 CLINICAL PSYCHOLOGIST in MO

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Provider Addresses for DR. MAUREEN O'KANE GRISSOM (PH.D.)

  • HEALTH 2, 4349 MARTIN LUTHER KING BLVD SUITE 1001E

    HOUSTON, TX 772040001

    Phone: (713) 743-9682

    Fax: (713) 743-1049

    Type: Mailing

  • Thompson, Richmond, Metro Vancouver Regional District, British Columbia, Canada

    300 PORTLAND ST., SUITE, 110

    COLUMBIA, MO 652110001

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-06-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20210602000821IClinical PsychologistTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 77204)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5496137499View full group profile
NameSpecialtyState
Family PracticeTX
Family PracticeTX
Family PracticeTX
P S Y C H I A T R YTX
O B S T E T R I C S/ G Y N E C O L O G YTX
Family PracticeTX
O B S T E T R I C S/ G Y N E C O L O G YTX
Clinical PsychologistTX
Family PracticeTX
Clinical PsychologistPA

Reviews

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Frequently asked questions

What is the registry number for DR. MAUREEN O'KANE GRISSOM (PH.D.)?
The registry entry for DR. MAUREEN O'KANE GRISSOM (PH.D.) shows NPI 1144411513.
Is DR. MAUREEN O'KANE GRISSOM (PH.D.)'s NPI status active today?
Active status means DR. MAUREEN O'KANE GRISSOM (PH.D.)'s NPI record is not deactivated in the public file.
Which specialty label fits DR. MAUREEN O'KANE GRISSOM (PH.D.)?
NPPES ties DR. MAUREEN O'KANE GRISSOM (PH.D.) to Clinical Psychologist in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. MAUREEN O'KANE GRISSOM (PH.D.)?
DR. MAUREEN O'KANE GRISSOM (PH.D.) shows a connection to Houston, Texas in registry-derived data.
Why is information missing for DR. MAUREEN O'KANE GRISSOM (PH.D.)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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