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

MICHAEL S GONG MD
NPI 1235716952
Internal Medicine - Endocrinology, Diabetes & Metabolism in Maywood, IL

Active since March 27, 2021PECOS Enrolled
2160 S 1ST AVE, MAYWOOD, IL 60153(888) 584-7888 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 17, 2026, Jun 17, 2021, May 15, 2021 and 1 more (4 updates tracked since 2021).

About Michael S Gong Md NPPES

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

MICHAEL S GONG MD (NPI 1235716952) is an individual endocrinology, diabetes & metabolism provider in Maywood, Illinois, licensed in Illinois (036169764) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2021).

NPPES Registry Identity

NPI1235716952
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameMICHAEL S GONGCredential: MD
Location Address2160 S 1ST AVEMaywood, IL 60153-3328
Mailing Address2160 S 1st AveMaywood, IL 60153-3328 · (888) 584-7888
Phone(888) 584-7888
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2021
Enumeration DateMarch 27, 2021
Last NPPES UpdateOctober 19, 20264 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1235716952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in IL · 036169764
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125077748 (IL)
2160 S 1ST AVE, Maywood, IL 60153
Open in Google Maps ↗

Secondary Practice Location 1

Location 14445 W Irving Park Rd Ste 320Chicago, IL 60641-2808 · Phone (312) 695-7970 · Fax (312) 921-0400

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael S Gong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214335124
PECOS Enrollment IDI20260825000739
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 Reassignment

Medicare enrollment records show Michael Gong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation
25 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

ANITA OZA NAGAMINE M.D.
Radiology (Diagnostic Radiology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
DR. BRYCE ANDREW PASCHOLD D.P.M.
Podiatrist (Foot & Ankle Surgery)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-4254
DR. ANTONIO HERNANDO IGLESIAS M.D.
Psychiatry & Neurology (Neurology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
IAN CHARLES MCCOMB
Oral & Maxillofacial Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
JAMES WU D.O.
Psychiatry & Neurology (Psychiatry)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
PAIGE T SONG MD
Student in an Organized Health Care Education/Training Program
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (888) 584-7888
ELIZABETH CHO
Orthopaedic Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-1274
DR. CATHRYN T SAWALSKI DO, MBA
Internal Medicine
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (888) 584-7888

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 Michael Gong's NPI number?

The NPI number for Michael Gong is 1235716952. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Michael Gong located?

Michael Gong practices at 2160 S 1st Ave, Maywood, IL 60153. The listed phone number is (888) 584-7888.

What is Michael Gong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Michael Gong enrolled in Medicare?

Yes. Michael Gong is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Gong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Gong reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The 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 Michael Gong'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 Michael Gong was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.