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

Robert Stanislaw Niznik, MD

Individual provider Internal Medicine Physician · NPI 1922447069

Robert Stanislaw Niznik, MD is a Nephrology in Bellingham, Washington. Qualified in 2012, 14 years ago. Practices with Mt Baker Nephrology Associates Inc Ps, a 4-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado, Minnesota and Washington.

Years since qualifying
14
Licensed in
CO, MN, WA
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3104 Squalicum Pkwy Ste 101
Bellingham, WA 98225-1941
Phone: (360) 734-9233
Fax: (360) 738-8974
Show map & directions

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

Additional practice locations (2)

  • Mayo Clinic 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511
  • Mayo Clinic 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence MD60890396 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 60296 (MN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence TL.0004905 (CO)

Record details

NPI number1922447069
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2013
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025
Mailing address3104 Squalicum Pkwy Ste 101, Bellingham, WA 98225-1941

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Mt. Baker Nephrology Associates Inc Ps — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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