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

KATHERINE NIELSON MD
NPI 1164270567
Emergency Medicine in Saint Paul, MN

Active since May 09, 2024PECOS Enrolled
205 WABASHA ST S, SAINT PAUL, MN 55107(952) 853-8800 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 28, 2026, May 9, 2024 (2 updates tracked since 2024).

About Katherine Nielson Md NPPES

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

KATHERINE NIELSON MD (NPI 1164270567) is an individual emergency medicine provider in Saint Paul, Minnesota, licensed in Minnesota (83482) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Paul.

NPPES Registry Identity

NPI1164270567
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKATHERINE NIELSONCredential: MD
Location Address205 WABASHA ST SSaint Paul, MN 55107-1805
Mailing Address640 Jackson StSaint Paul, MN 55101-2502 · (651) 254-6953
Phone(952) 853-8800
Sole ProprietorNo
Enumeration DateMay 9, 2024
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1164270567 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MN · 83482
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
205 WABASHA ST S, Saint Paul, MN 55107
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Other Names 1

Other Name (5)Katie Nielson Md

Secondary Practice Location 1

Location 1640 Jackson StSaint Paul, MN 55101-2502 · Phone (651) 254-6953

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Nielson 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55107 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

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.

MICHELLE COLEEN HICKS FNP
Nurse Practitioner (Family)
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (651) 293-8100
HUIYING GUO M.D.
Family Medicine
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (952) 967-5584
LILY KATHLEEN WARD MD
Family Medicine
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (952) 967-5584
MS. JESSICA RANALLO CNM
Advanced Practice Midwife
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (952) 967-5584
ERIN FLORIN NP
Nurse Practitioner
205 WABASHA ST S
ST PAUL, MN 55107
Ramsey County (952) 853-8800
SAMANTHA ZARSKE PA-C
Physician Assistant
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (651) 293-8100
EMILY M THOMPSON MD
Emergency Medicine
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (952) 853-8800
DR. SALVADOR FEDERICO CALAF M.D.
Orthopaedic Surgery
205 WABASHA ST S
SAINT PAUL, MN 55107
Ramsey County (651) 293-8100

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 Katherine Nielson's NPI number?

The NPI number for Katherine Nielson is 1164270567. It was assigned to this individual provider in the NPPES registry on May 9, 2024. The provider is also known as Katie Nielson MD.

Where is Katherine Nielson located?

Katherine Nielson practices at 205 Wabasha St S, Saint Paul, MN 55107. The listed phone number is (952) 853-8800.

What is Katherine Nielson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Katherine Nielson enrolled in Medicare?

Yes. Katherine Nielson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Nielson was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.