Psychiatrist | 17+ years experience

Dr. Matthew J Niedzwiecki, MD

11332 Mountain View Ave Ste C, Loma Linda, California, 92354-3854

About Dr. Matthew J Niedzwiecki

Dr. Matthew J Niedzwiecki is a psychiatrist based in Loma Linda, California with 17 years of experience in Psychiatry. He completed his graduation in 2009. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Matthew J Niedzwiecki is 036.130526 for Psychiatry in Illinois. His current practice location is 11332 Mountain View Ave Ste C, Loma Linda. Patients can contact him at 401-390-6297. Dr. Matthew J Niedzwiecki, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1174859284.

Dr. Matthew J Niedzwiecki specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Matthew J Niedzwiecki'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. Matthew J Niedzwiecki
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 17+ years
Graduation Year 2009
Gender Male
Practice Address: 11332 Mountain View Ave Ste C,
Loma Linda, CA - 92354-3854

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 4183866981
Enrollment ID I20180416001137
NPI Number1174859284
NPI Enumeration Date: 23 Oct, 2009
NPI Last Update On: 12 Jan, 2026

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. Matthew J Niedzwiecki are as mentioned below.

License NumberSpecializationStateStatus
036.130526Psychiatry IllinoisPrimary
22784Psychiatry New HampshireSecondary
C156972Psychiatry CaliforniaSecondary
2017-01279Psychiatry North CarolinaSecondary
V8156Psychiatry TexasSecondary
25MA10564100Psychiatry New JerseySecondary
MD60749657Psychiatry WashingtonSecondary

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. Matthew J Niedzwiecki is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Mission Health Community Multispecialty Providers Llc (9537468574)566

Mailing Address

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

Dr. Matthew J Niedzwiecki
11 S Main St Ste 200,
Concord, NH - 03301-4846
Phone: 401-390-6297

Book an Appointment with Dr. Matthew J Niedzwiecki

To schedule an appointment, contact Dr. Matthew J Niedzwiecki at 11332 Mountain View Ave Ste C, Loma Linda, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Matthew J Niedzwiecki:

Dr. Matthew J Niedzwiecki is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. Matthew J Niedzwiecki has approximately 17 years of experience in Psychiatry.

Yes, Dr. Matthew J Niedzwiecki accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Matthew J Niedzwiecki 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. Matthew J Niedzwiecki practices at 11332 Mountain View Ave Ste C, Loma Linda, California, 92354-3854.

To schedule an appointment with Dr. Matthew J Niedzwiecki, please contact the office at 401-390-6297.

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