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

DR. NADER E GUMA MD, MPH
NPI 1295447662
Internal Medicine in Chicago, IL

Q: What is Nader Guma's NPI number?

The NPI number for Nader Guma is 1295447662. It was assigned to this individual provider in the NPPES registry on December 19, 2022.

Q: What is Nader Guma's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Nader Guma was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.

Active since December 19, 2022PECOS Enrolled

2525 S MICHIGAN AVE, CHICAGO, IL 60616(312) 567-2000 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 7, 2026, Jan 29, 2026, Jan 2, 2026 and 3 more (6 updates tracked since 2022).

On this page

About Dr. Nader E Guma Md, Mph NPPES

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

DR. NADER E GUMA MD, MPH (NPI 1295447662) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036177007) and active in the NPI registry since December 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1295447662

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. NADER E GUMACredential: MD, MPH

Location Address2525 S MICHIGAN AVEChicago, IL 60616-2315

Mailing Address3517 N Marmora Ave Apt 1nChicago, IL 60634-4365 · (503) 951-8129

Phone(312) 567-2000

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateDecember 19, 2022

Last NPPES UpdateOctober 7, 20266 updates tracked since enumeration

NPPES CertifiedOctober 7, 2026

✔ NPI 1295447662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in IL · 036177007✔ Licensed in IN · 01098521A

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2525 S MICHIGAN AVE, Chicago, IL 60616

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, CareSource.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nader E Guma Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4587027008

PECOS Enrollment IDI20260123000346, I20260123001066

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

Medicare enrollment records show Nader Guma reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Insight Chicago, Inc.

Same address

Internal Medicine

2525 S MICHIGAN AVE
Chicago, IL 60616

Reassigned Medicare billing, Illinois enrollment
354 clinicians in this Medicare group

NPI 1881261006 (312) 567-2000

Alliance Physician Partners Hospitalist Group LLC

9.5 mi

Family Medicine

4332 N ELSTON AVE
Chicago, IL 60641

Reassigned Medicare billing, Indiana enrollment
10 clinicians in this Medicare group

NPI 1538711098 (312) 678-8999

Hospitalist Physicians Of Indiana, PC

135 mi

Hospitalist

7950 W JEFFERSON BLVD
Fort Wayne, IN 46804

Reassigned Medicare billing, Indiana enrollment
309 clinicians in this Medicare group

NPI 1306576277 (260) 435-7001

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 60616 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.

HANIYA SAEED MD

Internal Medicine

2525 S MICHIGAN AVE
CHICAGO, IL 60616

Cook County (312) 567-2000

MR. ROBERT J GALLIGAN PSY.D.

Psychologist (Clinical)

2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616

Cook County (312) 567-6691

MR. ROUEEN RAFEYAN M.D.

Psychiatry & Neurology (Addiction Medicine)

2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616

Cook County (312) 567-6691

DARYL WAYNE MCKEE DO

Obstetrics & Gynecology

2525 S MICHIGAN AVE
CHICAGO, IL 60616

Cook County (312) 567-2000

MAURO HENRIQUE ANGHINONI BONISSONI

Student in an Organized Health Care Education/Training Program

2525 S MICHIGAN AVE
CHICAGO, IL 60616

Cook County (312) 567-2424

MAHMOOD MOHIUDDIN MOHAMMED M.B.B.S.

Student in an Organized Health Care Education/Training Program

2525 S MICHIGAN AVE
CHICAGO, IL 60616

Cook County (312) 567-2424

DR. YASIR M M FARAH MD

Internal Medicine (Critical Care Medicine)

2525 S MICHIGAN AVE
CHICAGO, IL 60616

Cook County (312) 567-2000

PRAIRE SHORES DENTAL

Dentist (General Practice)

2525 S MICHIGAN AVE, 8TH FL
CHICAGO, IL 60616

Cook County (312) 567-2299

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 Nader Guma's NPI number?

The NPI number for Nader Guma is 1295447662. It was assigned to this individual provider in the NPPES registry on December 19, 2022.

Where is Nader Guma located?

Nader Guma practices at 2525 S Michigan Ave, Chicago, IL 60616. The listed phone number is (312) 567-2000.

What is Nader Guma's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nader Guma enrolled in Medicare?

Yes. Nader Guma is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nader Guma's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nader Guma reassigns Medicare benefits to 3 organizations: Insight Chicago, Inc. (Chicago, IL), Alliance Physician Partners Hospitalist Group LLC (Chicago, IL) and Hospitalist Physicians Of Indiana, PC (Fort Wayne, IN). 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 Nader Guma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nader Guma accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and CareSource list Nader Guma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nader Guma was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.