NPPES file of Aug 9, 2026

David Wei Ouyang, MD

Obstetrics & Gynecology Physician · Evanston, IL

David Wei Ouyang, MD is an obstetrics & gynecology physician with a practice address in Evanston, Illinois, and NPI 1821043944, issued on May 24, 2006. Check the license (Illinois 036115621, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821043944
Name
David Wei Ouyang
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
036115621 IL
217814 MA
Self-reported in NPPES; status is on the state search
Practice location
2650 Ridge Ave Ste 1420, Evanston, IL 60201
Phone
(847) 570-2860
Enumerated
May 24, 2006
Record last updated
Jul 30, 2026
Fax
(847) 733-5087
Medicare enrollment
Enrolled (PECOS I20070126000290); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2650 Ridge Ave Ste 1420

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

  1. Rachel Full, MSGenetic Counselor (M.S.)1245893239
  2. Ian Grable, MDMaternal & Fetal Medicine Physician1972538031
  3. Amelia Richardson, MS, CGCGenetic Counselor (M.S.)1215681184
  4. Gina Russano, APN-CNMAdvanced Practice Midwife1982654422
  5. Alexandria Williams, MDMaternal & Fetal Medicine Physician1255724811

Verify David Wei Ouyang 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 036115621
    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.

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Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Wei Ouyang among 2,062 obstetrics & gynecology physician records in Illinois

David Wei Ouyang, 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. 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 · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1999 · median 2006 among the 1,168 with a school on file
  • 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.

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

  1. Emuata Bassey, M.D.Evanston, IL 602011487745915
  2. Anthony Cirrincione, M.D.Evanston, IL 602011780691873
  3. Carol Cislak, M.D.Evanston, IL 602011285626630
  4. Nandini Datta, MDEvanston, IL 602011033271473
  5. Shelley-Ann Hope, MDEvanston, IL 602011780683938
  6. Michael Hughey, M.D.Evanston, IL 602011215958590
  7. Jennifer Kim, M.D.Evanston, IL 602011083606560
  8. Traci Kurtzer, MDEvanston, IL 602011710950464

Common questions

What is David Wei Ouyang, MD's NPI number?

David Wei Ouyang, MD's National Provider Identifier (NPI) is 1821043944, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Wei Ouyang, MD located?

The NPPES record lists a practice address at 2650 Ridge Ave Ste 1420, Evanston, IL, 60201. Phone: (847) 570-2860. Providers update this record themselves, so call before visiting.

How can I verify David Wei Ouyang, MD's license?

NPPES lists Illinois license number 036115621, 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.

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.