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

WILLIAM CARTER KEIG MD
NPI 1598724643
Emergency Medicine in Fridley, MN

Q: What is William Keig's NPI number?

The NPI number for William Keig is 1598724643. It was assigned to this individual provider in the NPPES registry on March 18, 2006.

Q: What is William Keig'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 William Keig was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.

Active since March 18, 2006PECOS EnrolledAccepts Medicare Assignment

550 OSBORNE RD NE, UNITY HOSPITAL, FRIDLEY, MN 55432(763) 236-4144(763) 236-4900 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About William Carter Keig Md NPPES

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

WILLIAM CARTER KEIG MD (NPI 1598724643) is an individual emergency medicine provider in Fridley, Minnesota, licensed in Minnesota (32885) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with North Memorial Health Hospital, and is a graduate of University Of Kentucky College Of Medicine (1981).

NPPES Registry Identity

NPI1598724643

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameWILLIAM CARTER KEIGCredential: MD

Location Address550 OSBORNE RD NE, UNITY HOSPITALFridley, MN 55432

Mailing Address7301 Ohms Lane, Suite 650Edina, MN 55439 · (952) 835-9880 · Fax (952) 857-1554

Phone(763) 236-4144

Fax(763) 236-4900

Sole ProprietorNo

Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 1981

Enumeration DateMarch 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1598724643 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 · 32885

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.

550 OSBORNE RD NE, Fridley, MN 55432

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Other Identifiers 1

Other32885Mn Medical License

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

William Carter Keig 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 ID4981517018

PECOS Enrollment IDI20200722003090

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.

Hospital Affiliations CMS Care Compare 4

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

North Memorial Health Hospital

Acute Care Hospitals · Robbinsdale, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240001

Location3300 Oakdale NorthRobbinsdale, MN 55422 · Hennepin County

Emergency services Birthing friendly

Welia Health

Critical Access Hospitals · Mora, MN

OwnershipGovernment - Local

CMS Certification Number241367

Location301 South Highway 65Mora, MN 55051 · Kanabec County

Emergency services

Gov Juan F Luis Hospital & Medical Ctr

Acute Care Hospitals · St Croix, VI

OwnershipGovernment - State

CMS Certification Number480002

Location#4007 Est Diamond Ruby, ChristianstedSt Croix, VI 00820 · Saint Croix Island County

Emergency services

Burnett Medical Center

Critical Access Hospitals · Grantsburg, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521331

Location257 W St George AveGrantsburg, WI 54840 · Burnett County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55432 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.

LAURA JEANNE HOUFEK

Occupational Therapist