Individual provider · Type 1 NPI

Matthew J. Niedzwiecki, MD

Psychiatry Physician · Loma Linda, CA

NPI number 1174859284 Active

Practice location

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

Call (401) 390-6297 Map

Mailing address

11 S Main St Ste 200
Concord, NH 03301-4846

Other practice locations

  • 4810 Riverstone Blvd Ste 100, Missouri City, TX 77459-4092 · (281) 836-4735
  • 500 W Court St, Kankakee, IL 60901-3661 · (281) 836-4735

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician 2084P0800X22784 (NH)
Psychiatry Physician 2084P0800XC156972 (CA)
Psychiatry Physician 2084P0800X2017-01279 (NC)
Psychiatry Physician 2084P0800XV8156 (TX)
Psychiatry Physician Primary 2084P0800X036.130526 (IL)
Psychiatry Physician 2084P0800X25MA10564100 (NJ)
Psychiatry Physician 2084P0800XMD60749657 (WA)

Psychiatry Physician: A Psychiatrist 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 la…

8 other providers at this address

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About NPI 1174859284

Matthew J. Niedzwiecki, MD's National Provider Identifier is 1174859284, issued on Oct 23, 2009. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Loma Linda, CA. The record was last updated on Jan 12, 2026.