HAROLD BREGMAN (M.D.) – Nephrology Physician, NPI 1952381253

Nephrology Physician

HAROLD BREGMAN (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in Nephrology Physician. They hold the professional credentials M.D.. They hold a License No. 036066587 (IL). The NPI Number for HAROLD BREGMAN (M.D.) is 1952381253

Main info

Male

52 Years Of Experience

Accepts Medicare Assignment

Name

HAROLD BREGMAN (M.D.)

NPI

1952381253

Phone

(312) 654-2700

Address

210 S DESPLAINES ST

Enumeration Date

20 January 2006

Last Update Date

31 December 2015

Doctor Profile

Medical School Name

STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER

Secondary Phone

3126542721

Graduation Year

1974 (52 years ago)

PAC ID

8729982418

Group Practice PAC ID

9133023963

Professional Enrollment ID

I20040202000521

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

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Provider Addresses for HAROLD BREGMAN (M.D.)

The Edge Lofts and Tower, 210, South Desplaines Street, Greektown, Near West Side, University Village/Little Italy, Chicago, Cook County, Illinois, 60661, United States
CHICAGO, IL 606615500
Phone: (312) 654-2700
Fax: (312) 654-9930
Type: Mailing
Park Ridge, Market Street, Park Ridge, Bergen County, New Jersey, 07656, United States
SUITE 303
PARK RIDGE, IL 600681460
Phone: (847) 294-5160
Fax: (847) 294-9962
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: 2004-02-02

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

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

Medicare enrolled
On CMS revalidation list
Due date assigned
Revalidate in PECOS

CMS enrollment records

Enrollment ID	Type	Specialty	State	Due date
I20040202000521	I	Nephrology	IL	TBD

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 60661)

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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: 9133023963View full group profile

Name	Specialty	State
CONSTANTINE GEOR DELIS (DO)	Nephrology, Internal Medicine	IL
VINITHA RAGHAVAN (M.D.)	-	IL
DR. AROUNA SENTHILKUMAR (M.D.)	N E P H R O L O G Y	IL
RICHARD HONG (M.D.)	Nephrology, Internal Medicine	IN
DR. DONALD F CRONIN (MD)	-	IL
HARESH MUNI (M.D.)	-	IL
CLARK MCCLURKIN (M.D.)	N E P H R O L O G Y	IL
MARIA SOBRERO (MD)	-	IL
SATYA AHUJA (M.D.)	-	IL
RIZWAN K MOINUDDIN (DO)	Internal Medicine, Nephrology	IL