Psychologist | Clinical Psychology | 37+ years experience

Dr. Nancy G. Mattax, PH.D.

2030 S National Ave, Suite 105, Springfield, Missouri, 65804-2222

About Dr. Nancy G. Mattax

Dr. Nancy G. Mattax is a psychologist based in Springfield, Missouri with 37 years of experience in Clinical Psychology. She completed her graduation in 1989. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Nancy G. Mattax is 01483 for Clinical Psychology in Missouri. Her current practice location is 2030 S National Ave, Suite 105, Springfield. Patients can contact her at 417-820-9590 or can fax her at 417-820-9592. Dr. Nancy G. Mattax, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1154657385.

Dr. Nancy G. Mattax is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Nancy G. Mattax's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Nancy G. Mattax
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 37+ years
Graduation Year 1989
Gender Female
Practice Address: 2030 S National Ave, Suite 105
Springfield, MO - 65804-2222
Fax 417-820-9592

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 6002940277
Enrollment ID I20100810001145
NPI Number1154657385
NPI Enumeration Date: 22 Oct, 2009
NPI Last Update On: 18 Aug, 2010

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Nancy G. Mattax are as mentioned below.

License NumberSpecializationStateStatus
01483Clinical Psychology MissouriPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Nancy G. Mattax is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Mercy Clinic Springfield Communities (7416865845)902

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Nancy G. Mattax
Po Box 2580,
Springfield, MO - 65801-2580
Phone: 417-829-4620
Fax: 417-829-4316

Book an Appointment with Dr. Nancy G. Mattax

To schedule an appointment, contact Dr. Nancy G. Mattax at 2030 S National Ave, Suite 105, Springfield, Missouri or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Nancy G. Mattax:

Dr. Nancy G. Mattax is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. Nancy G. Mattax has approximately 37 years of experience in Clinical Psychology.

Yes, Dr. Nancy G. Mattax accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Nancy G. Mattax is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Nancy G. Mattax practices at 2030 S National Ave, Suite 105, Springfield, Missouri, 65804-2222.

To schedule an appointment with Dr. Nancy G. Mattax, please contact the office at 417-820-9590.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.