JAMES HWANG (M.D.) – Internal Medicine Physician, NPI 1134489446

JAMES HWANG (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 036138423 (IL). The NPI Number for JAMES HWANG (M.D.) is 1134489446

Main info

Male
14 Years Of Experience
Accepts Medicare Assignment
Name
JAMES HWANG (M.D.)
NPI
1134489446
Phone
(872) 588-3510
Address
3517 W ARTHINGTON ST
Enumeration Date
21 May 2012
Last Update Date
5 February 2016

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
8725883000
Graduation Year
2012 (14 years ago)
PAC ID
7911120662
Group Practice PAC ID
2264336346
Professional Enrollment ID
I20160913000837
Address ID
IL606232460CH3860XAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience42
Completeness75
Years active:14State licenses:1Digital endpointsOther names

8,824 INTERNAL MEDICINE in IL

Provider Addresses for JAMES HWANG (M.D.)

  • 3517 W ARTHINGTON ST

    CHICAGO, IL 606244165

    Phone: (872) 588-3510

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2016-09-13

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
I20160913000837IInternal MedicineILTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60624)

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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: 2264336346View full group profile
NameSpecialtyState
Family PracticeIL
-IL
Family PracticeIL
Clinical PsychologistIL
Family PracticeIL
Physician AssistantIL
-IL
Clinical PsychologistIL
Nurse PractitionerIL
Nurse PractitionerIL

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Frequently asked questions

How do I look up JAMES HWANG (M.D.) by NPI?
Use NPI 1134489446 when you need to reference JAMES HWANG (M.D.) in forms, claims, or directories.
Is JAMES HWANG (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is JAMES HWANG (M.D.)?
The page reflects Internal Medicine Physician for JAMES HWANG (M.D.). Clinical services aligned with this taxonomy classification.
Does JAMES HWANG (M.D.) practice in Illinois?
You will see Chicago, Illinois on file for JAMES HWANG (M.D.) alongside any extra practice locations.
How can I contact JAMES HWANG (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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