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DR. JEFFREY NATHANSON MD
NPI 1972559615
Internal Medicine - Gastroenterology in Northbrook, IL

Active since May 25, 2006Opted out of Medicare · through Jul 1, 2027
40 SKOKIE BLVD, SUITE 110, NORTHBROOK, IL 60062(224) 407-4400(224) 407-2255 Get Directions Write a Review

NPPES record last updated: September 26, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jeffrey Nathanson Md NPPES

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

DR. JEFFREY NATHANSON MD (NPI 1972559615) is an individual gastroenterology provider in Northbrook, Illinois, licensed in Illinois (036105275) and active in the NPI registry since May 2006. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1972559615
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JEFFREY NATHANSONCredential: MD
Location Address40 SKOKIE BLVD, SUITE 110Northbrook, IL 60062-1614
Mailing Address950 Technology Way, Suite 250Libertyville, IL 60048-5366 · (224) 407-4400 · Fax (224) 407-2255
Phone(224) 407-4400
Fax(224) 407-2255
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateSeptember 26, 2025
NPPES CertifiedSeptember 26, 2025
✔ NPI 1972559615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036105275
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
40 SKOKIE BLVD, Northbrook, IL 60062
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Jeffrey Nathanson Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2021 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2021
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60062 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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KELLY MARIE JOHNSON FNP-C
Nurse Practitioner (Family)
40 SKOKIE BLVD
NORTHBROOK, IL 60062
Cook County (847) 291-3999
MRS. LAURA SUE GILES-BROWN CRT, RCP
Respiratory Therapist, Certified (Pulmonary Rehabilitation)
40 SKOKIE BLVD, SUITE 440
NORTHBROOK, IL 60062
Cook County (847) 656-0353
SARAH STEARNS MCQUILLEN LSW
Social Worker
40 SKOKIE BLVD
NORTHBROOK, IL 60062
Cook County (847) 440-2168

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 Jeffrey Nathanson's NPI number?

The NPI number for Jeffrey Nathanson is 1972559615. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Jeffrey Nathanson located?

Jeffrey Nathanson practices at 40 Skokie Blvd Suite 110, Northbrook, IL 60062. The listed phone number is (224) 407-4400.

What is Jeffrey Nathanson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jeffrey Nathanson enrolled in Medicare?

No. Jeffrey Nathanson has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Jeffrey Nathanson was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.