Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDER NIEMCZYK MD
NPI 1417690652
Anesthesiology in Minneapolis, MN

Active since April 15, 2022PECOS Enrolled
420 DELAWARE ST SE, MINNEAPOLIS, MN 55455(612) 625-4116 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 29, 2026, Apr 15, 2022 (2 updates tracked since 2022).

About Alexander Niemczyk Md NPPES

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

ALEXANDER NIEMCZYK MD (NPI 1417690652) is an individual anesthesiology provider in Minneapolis, Minnesota, licensed in Minnesota (82687) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Minneapolis.

NPPES Registry Identity

NPI1417690652
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameALEXANDER NIEMCZYKCredential: MD
Location Address420 DELAWARE ST SEMinneapolis, MN 55455-0341
Mailing Address420 Delaware St SeMinneapolis, MN 55455-0341 · (612) 625-4116
Sole ProprietorNo
Enumeration DateApril 15, 2022
Last NPPES UpdateJune 19, 20262 updates tracked since enumeration
NPPES CertifiedJune 19, 2026
NPI 1417690652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in MN · 82687
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
420 DELAWARE ST SE, Minneapolis, MN 55455

Secondary Practice Location 1

Location 1701 Park AveMinneapolis, MN 55415-1623 · Phone (612) 873-3000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alexander Niemczyk 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.

Other Providers at the Same Location NPPES 20

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

Pathology (Anatomic Pathology & Clinical Pathology)
420 DELAWARE ST SE, C463 MAYO MEMORIAL BLDG, MAYO MAIL CODE 76
MINNEAPOLIS, MN 55455
Physician Assistant
420 DELAWARE ST SE
MINNEAPOLIS, MN 55455
Student in an Organized Health Care Education/Training Program
420 DELAWARE ST SE, MMC 11
MINNEAPOLIS, MN 55455
Physical Medicine & Rehabilitation
420 DELAWARE ST SE
MINNEAPOLIS, MN 55455
Student in an Organized Health Care Education/Training Program
420 DELAWARE ST SE
MINNEAPOLIS, MN 55455
Internal Medicine (Hematology & Oncology)
420 DELAWARE ST SE, MMC 480
MINNEAPOLIS, MN 55455
Student in an Organized Health Care Education/Training Program
420 DELAWARE ST SE
MINNEAPOLIS, MN 55455
Student in an Organized Health Care Education/Training Program
420 DELAWARE ST SE
MINNEAPOLIS, MN 55455

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 Alexander Niemczyk's NPI number?

The NPI number for Alexander Niemczyk is 1417690652. It was assigned to this individual provider in the NPPES registry on April 15, 2022.

Where is Alexander Niemczyk located?

Alexander Niemczyk practices at 420 Delaware St SE, Minneapolis, MN 55455. The listed phone number is (612) 625-4116.

What is Alexander Niemczyk's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alexander Niemczyk enrolled in Medicare?

Yes. Alexander Niemczyk is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Niemczyk was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.