RONALD J KALLEN (MD) – Pediatric Nephrology Physician, NPI 1245283647

RONALD J KALLEN (MD) is a healthcare provider. based in Chicago, Illinois. specializing in Pediatric Nephrology Physician. They hold the professional credentials MD. They hold a License No. 03643026 (IL). The NPI Number for RONALD J KALLEN (MD) is 1245283647

Main info

Male
Sole Proprietor
66 Years Of Experience
Accepts Medicare Assignment
Name
RONALD J KALLEN (MD)
NPI
1245283647
Phone
(847) 433-3345
Address
2300 N CHILDRENS PLZ
Enumeration Date
18 May 2006
Last Update Date
13 December 2010

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Secondary Phone
6306144960
Graduation Year
1960 (66 years ago)
PAC ID
5193747947
Group Practice PAC ID
5890696231
Professional Enrollment ID
I20051221000588
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for RONALD J KALLEN (MD)

  • 2300 N CHILDRENS PLZ

    CHICAGO, IL 606143363

    Phone: (847) 433-3345

    Fax: (847) 433-4426

    Type: Location

  • 353, Lakeside Place, Braeside, Highland Park, Lake County, Illinois, 60035, United States

    HIGHLAND PARK, IL 600355371

    Phone: (847) 433-3345

    Fax: (847) 433-4426

    Type: Mailing

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: 2005-12-21

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20051221000588INephrologyILTBD

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 60614)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5890696231View full group profile
NameSpecialtyState
General SurgeryIL
Vascular SurgeryIL
-IL
Nurse PractitionerIL
-IL
C H I R O P R A C T I CIL
Family PracticeIL
Physical Medicine And RehabilitationCO
-IL
Hospitalist, Family PracticeIL

Reviews

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Frequently asked questions

Is RONALD J KALLEN (MD) listed with a National Provider Identifier?
Yes — RONALD J KALLEN (MD) has NPI 1245283647 on file in the registry.
Active or inactive — what applies to RONALD J KALLEN (MD)?
You should see RONALD J KALLEN (MD) as active in CMS-hosted NPPES data.
What expertise is attributed to RONALD J KALLEN (MD)?
RONALD J KALLEN (MD)'s specialty line reads Pediatric Nephrology Physician. Clinical services aligned with this taxonomy classification.
Is RONALD J KALLEN (MD) associated with Chicago?
Public fields place RONALD J KALLEN (MD) around Chicago, Illinois. Always confirm the exact site before visiting.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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2300 CHILDRENS PLAZA
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PO BOX 13008
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