NPPES file of Aug 9, 2026

Quadrat Shareef, M.D.

Family Medicine Physician · Chicago, IL

Quadrat Shareef, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1427104066, issued on Jan 26, 2007. Check the license 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
1427104066
Name
Quadrat Shareef
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
4200 N Oak Park Ave, Chicago, IL 60634
Phone
(773) 794-4000
Enumerated
Jan 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 794-4046
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.
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Also registered at 4200 N Oak Park Ave

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

  1. Flora Baetiong, M.D.Psychiatry Physician1104971787
  2. Grace Carag, M.D.Family Medicine Physician1750436242
  3. Lolita Crisostomo, M.D.Psychiatry Physician1871648360
  4. Micheal Cwynar, M.D.Psychiatry Physician1801941307
  5. Ma-Corazon Diaz, M.D.Family Medicine Physician1114072626
  6. Douglas Hafner, DDSDentist1912053182

Verify Quadrat Shareef in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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.

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97% fewer Medicare Part D claims than the average family medicine physician in 2024

92 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Quadrat Shareef92
  2. Specialty average3,544

Most prescribed

  1. Lactulose16 claims
  2. Levothyroxine Sodium12 claims

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.

Quadrat Shareef among 6,215 family medicine physician records in Illinois

Quadrat Shareef, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Peter Calabrese, D.O.Chicago, IL 606341891766275
  2. James Daleo, MDChicago, IL 606341255314357
  3. Marek Gawrysz, MDChicago, IL 606341508818055
  4. Edward Ghislandi, MDChicago, IL 606341386623460
  5. Marian Kowalczyk, MDChicago, IL 606341740201664
  6. Beata Kowalczyk Budziakowska, MDChicago, IL 606341114952504
  7. Purchit Lacuesta, M.D.Chicago, IL 606341003887423
  8. Dulces Leon-Jauregui, MDChicago, IL 606341013999481

Common questions

What is Quadrat Shareef, M.D.'s NPI number?

Quadrat Shareef, M.D.'s National Provider Identifier (NPI) is 1427104066, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Quadrat Shareef, M.D. located?

The NPPES record lists a practice address at 4200 N Oak Park Ave, Chicago, IL, 60634. Phone: (773) 794-4000. Providers update this record themselves, so call before visiting.

How can I verify Quadrat Shareef, M.D.'s license?

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 Quadrat Shareef, M.D. prescribe under Medicare Part D?

In 2024, Quadrat Shareef, M.D. had 92 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.