VANESSA HAGAN, MD, SC
NPI 1053413807
Internal Medicine in Oak Lawn, IL

Active since September 02, 2006
4400 W 95TH ST, 303, OAK LAWN, IL 60453(708) 423-1300(708) 423-6085 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Vanessa Hagan, Md, Sc NPPES

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

VANESSA HAGAN, MD, SC (NPI 1053413807) is a healthcare organization registered as an internal medicine in Oak Lawn, Illinois and active in the NPI registry since September 2006. The organization lists Vanessa Hagan, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1053413807
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameVANESSA HAGAN, MD, SC
Location Address4400 W 95TH ST, 303Oak Lawn, IL 60453-2654
Mailing Address4400 W 95th St, 303Oak Lawn, IL 60453-2654 · (708) 423-1300 · Fax (708) 423-6085
Fax(708) 423-6085
Organization SubpartNo
Authorized OfficialVanessa HaganPresident/ceo · (708) 423-1300
Enumeration DateSeptember 2, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1053413807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
4400 W 95TH ST, Oak Lawn, IL 60453

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Vanessa Hagan, Md, Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Vanessa Hagan, MD, Sc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1215125927
4400 W 95TH ST STE 303
Oak Lawn, IL 60453
(708) 423-1300
✔ PECOS✔ Accepts MedicareSame address

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

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 Vanessa Hagan, MD, Sc's NPI number?

The NPI number for Vanessa Hagan, MD, Sc is 1053413807. It was assigned to this organization in the NPPES registry on September 2, 2006.

Where is Vanessa Hagan, MD, Sc located?

Vanessa Hagan, MD, Sc is located at 4400 W 95th St 303, Oak Lawn, IL 60453. The listed phone number is (708) 423-1300.

What is Vanessa Hagan, MD, Sc's specialty?

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

Is Vanessa Hagan, MD, Sc enrolled in Medicare?

Yes. Vanessa Hagan, MD, Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Vanessa Hagan, MD, Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Vanessa Hagan, MD, Sc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Vanessa Hagan, MD, Sc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.