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STEPHEN L BLONSKY MD
NPI 1497855126
Internal Medicine - Nephrology in Muskego, WI

Active since September 23, 2006PECOS Enrolled
S88W12923 UPLAND LN, MUSKEGO, WI 53150(715) 212-1291 Get Directions Write a Review

NPPES record last updated: June 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Stephen L Blonsky Md NPPES

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

STEPHEN L BLONSKY MD (NPI 1497855126) is an individual nephrology provider in Muskego, Wisconsin, licensed in Wisconsin (27560) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497855126
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameSTEPHEN L BLONSKYCredential: MD
Location AddressS88W12923 UPLAND LNMuskego, WI 53150-7341
Mailing AddressS88w12923 Upland LnMuskego, WI 53150-7341 · (715) 212-1291
Phone(715) 212-1291
Sole ProprietorNo
Enumeration DateSeptember 23, 2006
Last NPPES UpdateJune 22, 2020
NPPES CertifiedJune 22, 2020
✔ NPI 1497855126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in WI · 27560
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.
S88W12923 UPLAND LN, Muskego, WI 53150
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen L Blonsky Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
30 services18 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.
17 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53150 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

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 Stephen Blonsky's NPI number?

The NPI number for Stephen Blonsky is 1497855126. It was assigned to this individual provider in the NPPES registry on September 23, 2006.

Where is Stephen Blonsky located?

Stephen Blonsky practices at S88w12923 Upland Ln, Muskego, WI 53150. The listed phone number is (715) 212-1291.

What is Stephen Blonsky's specialty?

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

Is Stephen Blonsky enrolled in Medicare?

Yes. Stephen Blonsky is registered in the Medicare PECOS enrollment system.

What insurance does Stephen Blonsky accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Stephen Blonsky 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.

When was this NPI record last updated?

The NPPES record for Stephen Blonsky was last updated on June 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.