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ELLIOT Y KOO MD
NPI 1770088031
Otolaryngology in Duluth, MN

Active since March 28, 2018PECOS EnrolledAccepts Medicare Assignment
400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: December 13, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 13, 2024, Oct 4, 2024, Mar 28, 2018 (3 updates tracked since 2018).

About Elliot Y Koo Md NPPES

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

ELLIOT Y KOO MD (NPI 1770088031) is an individual otolaryngology provider in Duluth, Minnesota, licensed in Illinois (036.171677) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1770088031
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameELLIOT Y KOOCredential: MD
Location Address400 E 3RD STDuluth, MN 55805-1951
Mailing Address1062 N Ashland Ave Apt 304Chicago, IL 60622-3943 · (516) 652-3983
Phone(218) 786-8364
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 28, 2018
Last NPPES UpdateDecember 13, 20243 updates tracked since enumeration
NPPES CertifiedDecember 4, 2024
✔ NPI 1770088031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Licenses✔ Licensed in IL · 036.171677✔ Licensed in MN · 78441
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
400 E 3RD ST, Duluth, MN 55805
Open in Google Maps ↗

Secondary Practice Locations 2

Location 18201 E Riverside BlvdRockford, IL 61114-2300 · Phone (815) 971-7000
Location 21740 W Taylor StChicago, IL 60612-7232 · Phone (866) 600-2273

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

Elliot Y Koo 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 ID9133471352
PECOS Enrollment IDI20241219001028
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.

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
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.

CHRISTIAN CONNER RN, CRNA
Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4150
JORDAN TICHENOR
Internal Medicine (Infectious Disease)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-3737
MOLLY B DWYER APRN, CNP
Nurse Practitioner (Psychiatric/Mental Health)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
AMY MARIE LARSON MD
Hospitalist
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
BRUCE JAMES DERAUF
Radiology (Diagnostic Radiology)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
NIZAR NAJIB SALEH
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
DIANE MAE KOLQUIST
Clinical Nurse Specialist (Medical-Surgical)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
GINA MARIE SLIPKA-MARINOS
Internal Medicine
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364

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 Elliot Koo's NPI number?

The NPI number for Elliot Koo is 1770088031. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Elliot Koo located?

Elliot Koo practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.

What is Elliot Koo's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Elliot Koo enrolled in Medicare?

Yes. Elliot Koo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Elliot Koo affiliated with any hospitals?

According to CMS data, Elliot Koo is affiliated with Palos Community Hospital, Osf Little Company Of Mary Medical Center, Advocate Christ Hospital & Medical Center and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Elliot Koo was last updated on December 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.