BRIAN WON-SIK KIM (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1346299831

BRIAN WON-SIK KIM (MD) is a healthcare provider. based in Chicago, Illinois. specializing in ENDOCRINOLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 036-134563 (IL). The NPI Number for BRIAN WON-SIK KIM (MD) is 1346299831

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
BRIAN WON-SIK KIM (MD)
NPI
1346299831
Phone
(312) 942-6163
Address
1725 W HARRISON ST STE 250
Enumeration Date
10 May 2006
Last Update Date
11 December 2023

Doctor Profile

Medical School Name
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Secondary Phone
8888240200
Graduation Year
1997 (29 years ago)
PAC ID
0143216176
Group Practice PAC ID
7719899426
Professional Enrollment ID
I20140324000812
Address ID
IL606371443CH5841XAVEX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

455 ENDOCRINOLOGY in IL

Provider Addresses for BRIAN WON-SIK KIM (MD)

  • 1725 W HARRISON ST STE 250

    CHICAGO, IL 606123861

    Phone: (312) 942-6163

    Fax: (312) 563-2096

    Type: Mailing

  • 150 HARVESTER DR STE 300

    BURR RIDGE, IL 605275965

    Phone: (773) 702-1150

    Type: Mailing

  • 5841 S MARYLAND AVE

    CHICAGO, IL 606371443

    Phone: (773) 702-1000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $60.

Total Amount is formed as General ($60) + Research ($0) + Ownership ($0) = $60.

Last reported payment date: 2024-08-13 • Largest payer in this snapshot: Orthofix Medical, Inc. ($60).

Total Amount

$60

General + Research + Ownership

Payments

1

Total payment records

General Amount

$60

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-13

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Orthofix Medical, Inc.$60
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-03-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140324000812IEndocrinologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes16971$0
76536Ultrasound scan of head and neck soft tissue143134$0
99214Established patient office or other outpatient visit, 30-39 minutes118115$0
99213Established patient office or other outpatient visit, 20-29 minutes8479$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes4439$0
View full utilization report →

Insurance plans in this area (ZIP 60612)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719899426View full group profile
NameSpecialtyState
Emergency MedicineIL
N E U R O L O G YIL
General SurgeryIN
Pediatric Medicine, Emergency MedicineIL
-IL
-IL
Cardiovascular Disease (Cardiology)IL
-IL
Nurse PractitionerMI
Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology)IL

Reviews

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Frequently asked questions

What NPI should I save for BRIAN WON-SIK KIM (MD)?
Save NPI 1346299831 if you need a stable reference for BRIAN WON-SIK KIM (MD).
Is BRIAN WON-SIK KIM (MD) active in the national directory?
BRIAN WON-SIK KIM (MD)'s public NPI profile is in an active state.
What does BRIAN WON-SIK KIM (MD) treat or focus on?
Patients typically see BRIAN WON-SIK KIM (MD) under the specialty Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
Where does public data place BRIAN WON-SIK KIM (MD)?
The snapshot lists Chicago, Illinois for BRIAN WON-SIK KIM (MD); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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