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ROBERT STANISLAW NIZNIK MD
NPI 1922447069
Internal Medicine - Nephrology in Bellingham, WA

Active since June 21, 2013PECOS EnrolledAccepts Medicare Assignment
55.46/100
CMS Quality Rating
3104 SQUALICUM PKWY STE 101, BELLINGHAM, WA 98225(360) 734-9233(360) 738-8974 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Jul 2, 2019, Jul 1, 2016 (3 updates tracked since 2016).

About Robert Stanislaw Niznik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT STANISLAW NIZNIK MD (NPI 1922447069) is an individual nephrology provider in Bellingham, Washington, licensed in Washington (MD60890396) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains a secondary practice location in Rochester.

NPPES Registry Identity

NPI1922447069
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameROBERT STANISLAW NIZNIKCredential: MD
Location Address3104 SQUALICUM PKWY STE 101Bellingham, WA 98225-1941
Mailing Address3104 Squalicum Pkwy Ste 101Bellingham, WA 98225-1941 · (360) 734-9233 · Fax (360) 738-8974
Phone(360) 734-9233
Fax(360) 738-8974
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 21, 2013
Last NPPES UpdateSeptember 11, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1922447069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in WA · MD60890396
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 60296 (MN)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License TL.0004905 (CO)

Secondary Practice Location 1

Location 1Mayo Clinic 200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511

Other Identifiers 1

Medicaid2063556WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert Stanislaw Niznik Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284851247
PECOS Enrollment IDI20190710002372
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
174 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
170 services118 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
112 services44 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
45 services44 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
42 services22 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
41 services33 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500030
Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

55.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality76.58
Improvement Activities0
Cost61.7

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
0%177 patients1/55-star benchmark: 87%
Controlling High Blood Pressure
80%295 patients4/55-star benchmark: 91%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
98%111 patients1/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
98%928 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
0%407 patients1/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
21%554 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
0%529 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
35%455 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 87% · 243 patients
Patients screened: 98% · 243 patients
4%28 patients1/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 419 patients
Patients totalRate: 0% · 419 patients
0%419 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NORTHWEST VEIN CENTER, PLLC
Specialist
3104 SQUALICUM PKWY STE 101
BELLINGHAM, WA 98225
Whatcom County (360) 733-2557

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Niznik's NPI number?

The NPI number for Robert Niznik is 1922447069. It was assigned to this individual provider in the NPPES registry on June 21, 2013.

Where is Robert Niznik located?

Robert Niznik practices at 3104 Squalicum Pkwy Ste 101, Bellingham, WA 98225. The listed phone number is (360) 734-9233.

What is Robert Niznik's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Robert Niznik enrolled in Medicare?

Yes. Robert Niznik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Niznik accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Robert Niznik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Robert Niznik affiliated with any hospitals?

According to CMS data, Robert Niznik is affiliated with St Joseph Hospital.

When was this NPI record last updated?

The NPPES record for Robert Niznik was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.