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MR. SEBASTIAN KO M.D.
NPI 1902367642
Orthopaedic Surgery - Sports Medicine in Chicago, IL

Active since March 26, 2019PECOS EnrolledAccepts Medicare Assignment
4646 N MARINE DR, CHICAGO, IL 60640(773) 564-5219 Get Directions Write a Review

NPPES record last updated: September 17, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 3, 2024, Sep 17, 2020, Jul 31, 2020 and 2 more (5 updates tracked since 2019).

About Mr. Sebastian Ko M.d. NPPES

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

MR. SEBASTIAN KO M.D. (NPI 1902367642) is an individual sports medicine provider in Chicago, Illinois, licensed in Illinois (036.148139) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Un Of British Columbia, Faculty Of Medicine (2014).

NPPES Registry Identity

NPI1902367642
Entity TypeIndividualMale
Primary Taxonomy207XX0005X
Provider Legal NameMR. SEBASTIAN KOCredential: M.D.
Location Address4646 N MARINE DRChicago, IL 60640-5759
Mailing Address4646 N Marine DrChicago, IL 60640-5759 · (773) 564-5219
Phone(773) 564-5219
Sole ProprietorNo
Medical School CMSUn Of British Columbia, Faculty Of MedicineGraduated 2014
Enumeration DateMarch 26, 2019
Last NPPES UpdateSeptember 17, 20205 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2020
✔ NPI 1902367642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207XX0005X
License✔ Licensed in IL · 036.148139
Definition
An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4646 N MARINE DR, Chicago, IL 60640
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Secondary Practice Locations 2

Location 1259 E Erie, 13th FloorChicago, IL 60611 · Phone (312) 472-6488
Location 24646 N Marine DrChicago, IL 60640-5759 · Phone (773) 564-5219

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Sebastian Ko M.d. 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 ID244568707
PECOS Enrollment IDI20241205002189
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Sebastian Ko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Resilience Healthcare - Lakefront Medical Associates, LLC
Same address
General Practice
4646 N MARINE DR
Chicago, IL 60640
  • Reassigned Medicare billing, Illinois enrollment
  • 82 clinicians in this Medicare group
NPI 1205301926 (773) 878-8700
Sutter Bay Medical Foundation
1,791 mi
Multi-Specialty
1315 ALHAMBRA BLVD STE 210
Sacramento, CA 95816
NPI 1003267196 (916) 732-4380

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services19 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients

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.

ANAYASH BHATTARAI MD
Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (773) 564-5225
AMRO ABBAS TAHA
Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (177) 391-2073
SHAMEEM SULTANA MD
Anesthesiology
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (773) 564-5966
WEISS MEMORIAL HOSPITAL
Chronic Disease Hospital
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (312) 622-7977
JOHN CHERF MD SC
Orthopaedic Surgery
4646 N MARINE DR, SUITE 3A
CHICAGO, IL 60640
Cook County (800) 843-0355
DR. MICHELE MARIE DELSIGNORE D.O.
Psychiatry & Neurology (Neurology)
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (773) 564-5216
MRS. LAINIE JOY O'DONNELL MA, CCC-SLP
Speech-Language Pathologist
4646 N MARINE DR, OUTPATIENT PHYSICAL THERAPY DEPT. 1ST FLOOR
CHICAGO, IL 60640
Cook County (773) 564-5425
DR. MOHAMMED OMAR JAHANGIR M.D.
Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Cook County (773) 564-5225

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 Sebastian Ko's NPI number?

The NPI number for Sebastian Ko is 1902367642. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is Sebastian Ko located?

Sebastian Ko practices at 4646 N Marine Dr, Chicago, IL 60640. The listed phone number is (773) 564-5219.

What is Sebastian Ko's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is Sebastian Ko enrolled in Medicare?

Yes. Sebastian Ko 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.

Which organizations bill Medicare for Sebastian Ko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastian Ko reassigns Medicare benefits to 2 organizations: Resilience Healthcare - Lakefront Medical Associates, LLC (Chicago, IL) and Sutter Bay Medical Foundation (Sacramento, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sebastian Ko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sebastian Ko was last updated on September 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.