GREGORY A KAYS MD
NPI 1093780439
Emergency Medicine in Red Wing, MN

Q: What is Gregory Kays's NPI number?

The NPI number for Gregory Kays is 1093780439. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Q: What is Gregory Kays's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Kays was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since February 21, 2006PECOS EnrolledAccepts Medicare Assignment

701 HEWITT BLVD, RED WING, MN 55066(651) 267-5000 Get Directions Write a Review

NPPES record last updated: March 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 13, 2026, Jan 7, 2021 (2 updates tracked since 2021).

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About Gregory A Kays Md NPPES

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

GREGORY A KAYS MD (NPI 1093780439) is an individual emergency medicine provider in Red Wing, Minnesota, licensed in Minnesota (35276) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System In Red Wing, and is a graduate of University Of Arkansas College Of Medicine (1989).

NPPES Registry Identity

NPI1093780439

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameGREGORY A KAYSCredential: MD

Location Address701 HEWITT BLVDRed Wing, MN 55066-2848

Mailing Address701 Hewitt BlvdRed Wing, MN 55066-2848 · (651) 267-5000

Phone(651) 267-5000

Sole ProprietorNo

Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 1989

Enumeration DateFebruary 21, 2006

Last NPPES UpdateMarch 13, 20262 updates tracked since enumeration

NPPES CertifiedMarch 13, 2026

✔ NPI 1093780439 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 · 35276

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.

701 HEWITT BLVD, Red Wing, MN 55066

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Gregory A Kays 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 ID9537178132

PECOS Enrollment IDI20060410000453

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 3

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

47 services45 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

46 services45 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

14 services14 patients

Hospital Affiliations CMS Care Compare

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

Mayo Clinic Health System In Red Wing

Acute Care Hospitals · Red Wing, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240018

Location701 Hewitt BoulevardRed Wing, MN 55066 · Goodhue County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55066 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier18 claims18 services$8.92 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DOUGLAS STEVEN LARSEN PA-C

Physician Assistant