NPPES file of Aug 9, 2026

Edwin John Cook, D.O.

Nephrology Physician · Olympia Fields, IL

Edwin John Cook, D.O. is a nephrology physician with a practice address in Olympia Fields, Illinois, and NPI 1508952011, issued on Oct 4, 2006. Check the license (Illinois 036054673, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508952011
Name
Edwin John Cook
Credential
D.O.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
036054673 IL
Self-reported in NPPES; status is on the state search
Practice location
4001 Vollmer RD., Olympia Fields, IL 60461
Phone
(708) 481-8883
Enumerated
Oct 4, 2006
Record last updated
Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(708) 481-2917
Medicaid ID
036054673 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4001 Vollmer RD.

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Don Hollandsworth, D.O.Nephrology Physician1730274770
  2. William Imlach, D.O.Family Medicine Physician1699850610
  3. Michael Olden, D.O.Endocrinology, Diabetes & Metabolism Physician1609961218
  4. Sushma Raghavendra, M.D.Family Medicine Physician1861612475
  5. Rodey Wassef, D.O.Family Medicine Physician1720178734

Verify Edwin John Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036054673
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average nephrology physician in 2024

29 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Edwin Cook29
  2. Specialty average1,465

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Edwin John Cook among 572 nephrology physician records in Illinois

Edwin John Cook, D.O. is one of 572 nephrology physician records with a practice address in Illinois. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 76% of these records are
  • Record last updated2015 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 nephrology physician records list a practice address in Olympia Fields

They are 13 of the 684 NPPES records with a practice address in Olympia Fields, and 572 nephrology physician records in Illinois.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sangeet Dhillon-Jhattu, M.D.Olympia Fields, IL 604611912240797
  2. Chidinma Ekenna, M.D.Olympia Fields, IL 604611659750743
  3. Khalid Elharrif, MDOlympia Fields, IL 604611487150306
  4. Syed Affan Ul Haq Hashmi, MDOlympia Fields, IL 604611164787792
  5. Don Hollandsworth, D.O.Olympia Fields, IL 604611730274770
  6. Mustafa Kagalwalla, MDOlympia Fields, IL 604611093190076
  7. Daniel McCormick, M.D.Olympia Fields, IL 604611992720320
  8. Ritika Paul, M.D.Olympia Fields, IL 604611801321807

Common questions

What is Edwin John Cook, D.O.'s NPI number?

Edwin John Cook, D.O.'s National Provider Identifier (NPI) is 1508952011, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edwin John Cook, D.O. located?

The NPPES record lists a practice address at 4001 Vollmer RD., Olympia Fields, IL, 60461. Phone: (708) 481-8883. Providers update this record themselves, so call before visiting.

How can I verify Edwin John Cook, D.O.'s license?

NPPES lists Illinois license number 036054673, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Edwin John Cook, D.O. prescribe under Medicare Part D?

In 2024, Edwin John Cook, D.O. had 29 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.