Matthew J Niedzwiecki, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

036.130526 Issued in IL

Practice address

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

Phone

(401) 390-6297

NPI assigned

Oct 23, 2009

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 7

Addresses

Medicare fee-for-service enrollment

Enrolled in WA, NC, MT, WI, IL, CA, TX7 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 7

Specialty

Psychiatry

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Heart of Texas Region MHMR CenterGroup PAC ID 9830105105, 26 clinicians

Burke CenterGroup PAC ID 1254312077, 28 clinicians

Texana CenterGroup PAC ID 7618963265, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Presence Saint Joseph Hospital - Chicago Hospital, Chicago, IL, CCN 140224

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 29)

Interoperability endpoints

• Direct secure messaging: mniedzwiecki1249942@direct.novanthealth.org
• Direct secure messaging: mniedzwieki418372@direct-ehr-ssmhc.com
• Direct secure messaging: matthew.niedzwiecki.p1@direct.cfg.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Burke Center

  • Psychiatry Physician
  • Lufkin, TX
  • NPI 1396792420
  Medicare reassignment Care Compare group NPD
• Heart of Texas Region MHMR Center

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Waco, TX
  • NPI 1639399132
  Medicare reassignment Care Compare group NPD
• Texana Center

  • Multi-Specialty Clinic/Center
  • Rosenberg, TX
  • NPI 1912954058
  Medicare reassignment Care Compare group NPD
• Darin Rentz DO PC

  • Anesthesiology Physician
  • Redlands, CA
  • NPI 1689321747

  Psychiatry

  Medicare reassignment NPD
• Bexar County Board of Trustees for Mental Health Mental Retardation

  • Counselor
  • San Antonio, TX
  • NPI 1730134586
  Medicare reassignment NPD
• Border Region MH Mr Community Center

  • Psychiatry Physician
  • Laredo, TX
  • NPI 1124060173
  Medicare reassignment NPD
• Bozeman Health Deaconess Hospital

  • Family Medicine Physician
  • Bozeman, MT
  • NPI 1619347390
  Medicare reassignment NPD
• King County Public Hospital District No 2

  • Neuromusculoskeletal Medicine & OMM Physician
  • Kirkland, WA
  • NPI 1801986070
  Medicare reassignment NPD
• Multicare Health System

  • Neurological Surgery Physician
  • Tacoma, WA
  • NPI 1497766638
  Medicare reassignment NPD
• SSM Health Care of Wisconsin Inc

  • Internal Medicine Physician
  • Baraboo, WI
  • NPI 1730160011
  Medicare reassignment NPD
• St. Mary'S Hospital, Centralia, Illinois

  • Emergency Medicine Physician
  • Centralia, IL
  • NPI 1770687196
  Medicare reassignment NPD
• The Gulf Coast Center

  • Psychiatry Physician
  • League City, TX
  • NPI 1245285899
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Presence Chicago Hospitals Network

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1679659585
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1256256000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1174859284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 S MAIN ST STE 200",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033014846",
            "telephone_number": "401-390-6297"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11332 MOUNTAIN VIEW AVE STE C",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543854",
            "telephone_number": "401-390-6297"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4810 Riverstone Blvd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Missouri City",
            "state": "TX",
            "postal_code": "774594092",
            "country_code": "US",
            "telephone_number": "281-836-4735",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Court St",
            "address_purpose": "LOCATION",
            "city": "Kankakee",
            "state": "IL",
            "postal_code": "609013661",
            "country_code": "US",
            "telephone_number": "281-836-4735",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEDZWIECKI",
        "first_name": "MATTHEW",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-10-23",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NH",
            "license": "22784",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "C156972",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NC",
            "license": "2017-01279",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "V8156",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "036.130526",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NJ",
            "license": "25MA10564100",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WA",
            "license": "MD60749657",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Doyle Nick, DDS
• Quint Perry Nicola, D.D.S.
• Dorie-Mae Nicolas
• Jan-Holly Nicolas, M.D.
• Lesli Izella Nicolay
• Barry G. Nieman, CPNP
• Gabriela Isabel Nieves
• Joyce Nieves
• Robert Niihara, MD
• Luka Nikcevic

• Psychiatry Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.