Robert Stanislaw Niznik, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

MD60890396 Issued in WA

Practice address

3104 Squalicum Pkwy Ste 101
Bellingham, WA 98225-1941

Phone

(360) 734-9233

Fax

(360) 738-8974

NPI assigned

Jun 21, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA

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 1

Specialty

Nephrology

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mt. Baker Nephrology Associates Inc PSGroup PAC ID 7113814971, 4 clinicians

Snokidney PLLCGroup PAC ID 7911349295, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita Mount Baker Kidney at Home Dialysis facility, Bellingham, WA, CCN 502501
• DaVita Ferndale Dialysis Dialysis facility, Ferndale, WA, CCN 502619
• Peacehealth St Joseph Medical Center Hospital, Bellingham, WA, CCN 500030

Merit-based Incentive Payment System (MIPS)

Final score

61.51 of 100Reported as individual

Quality

77.68

Improvement activities

0

Cost

79.52

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: robert.niznik@direct.davitaphysiciansolutions.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.

• Mt. Baker Nephrology Associates Inc PS

  • Specialist
  • Bellingham, WA
  • NPI 1104029339
  Medicare reassignment Care Compare group NPD
• Snokidney PLLC

  • Nephrology Physician
  • Everett, WA
  • NPI 1528810843
  Medicare reassignment Care Compare group NPD
• Washington Kidney Care LLC

  • Nephrology Physician
  • Bellingham, WA
  • NPI 1013746635
  NPD (past)

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

• Total Renal Care Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Ferndale, WA
  • NPI 1952096562

  Dialysis facility

  Care Compare affiliation Name & address match
• Peacehealth

  • Rural Acute Care Hospital
  • Bellingham, WA
  • NPI 1487904546
  Care Compare affiliation
• Peacehealth

  • General Acute Care Hospital
  • Bellingham, WA
  • NPI 1689677320
  Care Compare affiliation
• St Joseph Hospital

  • Clinical Medical Laboratory
  • Bellingham, WA
  • NPI 1013137173

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1371772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1922447069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3104 SQUALICUM PKWY STE 101",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982251941",
            "telephone_number": "360-734-9233",
            "fax_number": "360-738-8974"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3104 SQUALICUM PKWY STE 101",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982251941",
            "telephone_number": "360-734-9233",
            "fax_number": "360-738-8974"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Mayo Clinic 200 1st St SW",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "MN",
            "postal_code": "559050001",
            "country_code": "US",
            "telephone_number": "507-284-2511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Mayo Clinic 200 1st St SW",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "MN",
            "postal_code": "559050001",
            "country_code": "US",
            "telephone_number": "507-284-2511",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIZNIK",
        "first_name": "ROBERT",
        "middle_name": "STANISLAW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-21",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "60296",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CO",
            "license": "TL.0004905",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "WA",
            "license": "MD60890396",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2063556",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "renaes@direct.care360.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "410 Birchwood Ave Ste 200",
            "city": "Bellingham",
            "state": "WA",
            "country_code": "US",
            "postal_code": "982251783",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jeremiah Niles
• Hannah Rose Nilsen
• David Nimock, LMP
• Devyn Nicole Nixon, ARNP
• Matthew B Nixon II
• Noble Sports Chiropractic, P.S.
• Debra A Noble, RN
• Steven Brian Noble, D.C.
• Barbara Nobles, CDP
• Christopher Noell, MD

• Nephrology Physician in Bellingham, WA
• Providers in Bellingham, WA by specialty
• Nephrology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.