NPPES file of Aug 9, 2026

Calvin C. Chiu, MD

Obstetrics & Gynecology Physician · Mount Vernon, IL

Calvin C. Chiu, MD is an obstetrics & gynecology physician with a practice address in Mount Vernon, Illinois, and NPI 1972503423, issued on Jul 27, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1972503423
Name
Calvin C. Chiu
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
2413 Broadway St, Mount Vernon, IL 62864
Phone
(618) 244-6170
Enumerated
Jul 27, 2005
Record last updated
Jul 13, 2026
Fax
(618) 244-7445
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 2413 Broadway St

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

  1. Dennis Mlot, M.D.Otolaryngic Allergy Physician1609955715

Verify Calvin C. Chiu 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

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Calvin C. Chiu among 2,062 obstetrics & gynecology physician records in Illinois

Calvin C. Chiu, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. David Asbery, MDMount Vernon, IL 628641437106101
  2. Emily Boyd, M.D.Mount Vernon, IL 628641730257924
  3. Leslie Simonton-Smith, M.D.Mount Vernon, IL 628641417023284
  4. Philip Chung, M.D.Floria, IL 628391831413947
  5. Donald Bishop, MDCarbondale, IL 629011801861380
  6. Douglas Gates, M.D.Carbondale, IL 629011952406639
  7. Kenzie Glassburn, MDCarbondale, IL 629011467026195
  8. Sherry Jones, MDCarbondale, IL 629011912908906

Common questions

What is Calvin C. Chiu, MD's NPI number?

Calvin C. Chiu, MD's National Provider Identifier (NPI) is 1972503423, issued on Jul 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Calvin C. Chiu, MD located?

The NPPES record lists a practice address at 2413 Broadway St, Mount Vernon, IL, 62864. Phone: (618) 244-6170. Providers update this record themselves, so call before visiting.

How can I verify Calvin C. Chiu, MD'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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.