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Internal Medicine

Constance A. Catellani, MD

Works at hospitals in Park Ridge, IL · Evanston, IL · Chicago, IL · Illinois

Summary

Constance A. Catellani, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Park Ridge, IL, Evanston, IL and Chicago, IL. NPI 1043351745. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Constance A. Catellani, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
49Years since medical school (graduated 1977)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
FemaleGender (as listed)
Davenport Medical IncGroup practice

Quick answers

Which hospitals does Constance A. Catellani work at?
Medicare's official clinician data lists Constance A. Catellani at 3 hospitals: Advocate Lutheran General Hospital, Northshore University Healthsystem - Evanston Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Constance A. Catellani see patients?
Medicare's clinician data lists 2 practice locations, including Oak Park, IL and Skokie, IL. Call before your visit to confirm the address.
What is Constance A. Catellani's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine and Family Practice.
Does Constance A. Catellani accept Medicare assignment?
Medicare's clinician data says Constance A. Catellani may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Constance A. Catellani offer telehealth?
Medicare's clinician data says Constance A. Catellani offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Constance A. Catellani?
(773) 543-8964, as listed in official Medicare / NPI Registry data.
What is Constance A. Catellani's NPI number?
1043351745. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Constance A. Catellani works

Medicare's Facility Affiliation Data lists Constance A. Catellani at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Constance A. Catellani is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Constance A. Catellani as a member of this group (CMS data updated 2026-10-02).

  • Davenport Medical Inc2 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Oak Park

Clinicians with the same Medicare primary specialty in Oak Park, IL — not a recommendation.

All internal medicine doctors in Oak Park →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1977
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043351745
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians