Ms. Marie Katheryn Whelan

APCC | Mental Health Counselor


  1120 2nd St Ste C, Brentwood
     California, 94513-2225
  925-489-5953    Maps & Directions
Ms. Marie Katheryn Whelan is a Brentwood, California based counselor who is specialized as Mental Health Counselor. Active license number of Ms. Marie Katheryn Whelan is APCC12438 for Mental Health Counselor in California. Her current practice location is 1120 2nd St Ste C, Brentwood. Patients can book an appointment with her at 925-489-5953.
Ms. Marie Katheryn Whelan is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.
Complete Profile:
Ms. Marie Katheryn Whelan speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Ms. Marie Katheryn Whelan
Specialization: Mental Health Counselor
Gender:Female
Credentials: APCC
Accepts Medicare Assignment:No
Practice Address:1120 2nd St Ste C, Brentwood,
California, 94513-2225
Phone:925-489-5953
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1346958071
NPI Enumeration Date: 10 Nov, 2022
NPI Last Update On: 10 Nov, 2022

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Ms. Marie Katheryn Whelan are as mentioned below.
License NumberSpecializationStateStatus
APCC12438Mental Health Counselor CaliforniaPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Po Box 1761,
Brentwood, California
Zip: 94513-8761
Phone Number: 925-489-5953
Patients can reach Ms. Marie Katheryn Whelan at 1120 2nd St Ste C, Brentwood, California or can call to book an appointment on 925-489-5953.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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