CATHARINE M CADIGAN (MD) – Internal Medicine Physician, NPI 1659301679

CATHARINE M CADIGAN (MD) is a healthcare provider. based in Chicago, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 036145286C (IL). The NPI Number for CATHARINE M CADIGAN (MD) is 1659301679

Main info

Female
Sole Proprietor
36 Years Of Experience
Accepts Medicare Assignment
Name
CATHARINE M CADIGAN (MD)
NPI
1659301679
Phone
(207) 751-8411
Address
6718 N LORON AVE
Enumeration Date
4 July 2006
Last Update Date
11 February 2025

Doctor Profile

Medical School Name
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Secondary Phone
2073961478
Graduation Year
1990 (36 years ago)
PAC ID
5597653535
Group Practice PAC ID
0042751430
Professional Enrollment ID
I20040310000292
Address ID
ME040749816SC18XXXRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness75
Years active:19State licenses:2Digital endpointsOther names

8,824 INTERNAL MEDICINE in IL

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Provider Addresses for CATHARINE M CADIGAN (MD)

  • 6718, North Loron Avenue, Wildwood, Forest Glen, Chicago, Jefferson Township, Cook County, Illinois, 60646, United States

    CHICAGO, IL 606461410

    Phone: (207) 751-8411

    Type: Location

  • 2 HARRISON CT

    YARMOUTH, ME 040961543

    Phone: (207) 751-8411

    Type: Location

  • 200 TANDBERG TRL

    WINDHAM, ME 040625103

    Phone: (207) 751-8411

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2018-03-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040310000292IInternal MedicineMETBD
I20180328003150IHospitalistILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60646)

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Reviews

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Frequently asked questions

Does CATHARINE M CADIGAN (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — CATHARINE M CADIGAN (MD) uses 1659301679.
Is CATHARINE M CADIGAN (MD) listed as active for patients and plans?
The listing shows CATHARINE M CADIGAN (MD) as active in the NPI system.
What is CATHARINE M CADIGAN (MD)'s specialty?
The listing groups CATHARINE M CADIGAN (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does CATHARINE M CADIGAN (MD) list a practice location?
Patients near Chicago, Illinois may find CATHARINE M CADIGAN (MD) in results; validate coverage separately.
Why does CATHARINE M CADIGAN (MD) have multiple addresses?
4 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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