Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew J Niedzwiecki, MD

Individual provider Psychiatry Physician · NPI 1174859284

Dr. Matthew J Niedzwiecki, MD is a Psychiatry in Loma Linda, California. Qualified in 2009, 17 years ago. Practices with Heart of Texas Region Mhmr Center, a 26-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Illinois, North Carolina and New Hampshire and 3 more.

Years since qualifying
17
Licensed in
CA, IL, NC, NH, NJ, TX
In the registry since
2009
Specialties on file
7
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

11332 Mountain View Ave Ste C
Loma Linda, CA 92354-3854
Phone: (401) 390-6297
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 036.130526 (IL)
Psychiatry Physician Taxonomy 2084P0800X · Licence 22784 (NH)
Psychiatry Physician Taxonomy 2084P0800X · Licence C156972 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 2017-01279 (NC)
Psychiatry Physician Taxonomy 2084P0800X · Licence V8156 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence 25MA10564100 (NJ)
Psychiatry Physician Taxonomy 2084P0800X · Licence MD60749657 (WA)

Record details

NPI number1174859284
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 23, 2009
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Heart Of Texas Region Mhmr Center — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Loma Linda