NPPES file of Aug 9, 2026

Katherine Cotangco, D.O.

Obstetrics Physician · Berwyn, IL

Katherine Cotangco, D.O. is an obstetrics physician with a practice address in Berwyn, Illinois, and NPI 1902260904, issued on Apr 6, 2016. Check the license (Illinois 036152823, 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
1902260904
Name
Katherine Cotangco
Credential
D.O.
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
036152823 IL
Self-reported in NPPES; status is on the state search
Practice location
3249 Oak Park Ave, Berwyn, IL 60402
Phone
(708) 783-9100
Enumerated
Apr 6, 2016
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211028000928); accepts Medicare assignment
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 3249 Oak Park Ave

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

  1. Gholamali Afshang, MDDiagnostic Radiology Physician1316925522
  2. Sumayyah Ahmed, PA-CPhysician Assistant1851084206
  3. Michelle Akan, CRNACertified Registered Nurse Anesthetist1376808683
  4. Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
  5. Haris Aleem, MDHospitalist Physician1063409795
  6. John Alexis, M.D.Emergency Medicine Physician1689608713

Verify Katherine Cotangco 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 036152823
    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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94% fewer Medicare Part D claims than the average obstetrics physician in 2024

13 Medicare Part D claims, against an average of 218 among the 863 providers of this specialty who prescribed in Part D.

  1. Katherine Cotangco13
  2. Specialty average218

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.

Bills Medicare through one group practice

  1. County OF Los AngelesPalmdale, CA

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

Katherine Cotangco among 54 obstetrics physician records in Illinois

Katherine Cotangco, D.O. is one of 54 obstetrics physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2020 · median 2005 among the 35 with a school on file
  • Record last updated2021 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in Illinois

There are 54 obstetrics physician records in Illinois.

The 8 obstetrics physician records with the nearest ZIP codes

  1. Cerise Bush, MDFrankfort, IL 604231053567099
  2. Alan Luke, MDOak Lawn, IL 604531831255728
  3. Medha Amin, MDDowners Grove, IL 605151912197534
  4. Jamie Januszyk, M.D.Downers Grove, IL 605151174841316
  5. Kanika Sood, M.D.Downers Grove, IL 605151982982096
  6. Lindsey Malone, M.D.Willowbrook, IL 605271134361454
  7. Ann West, MDSandwich, IL 605481801816277
  8. Thomas Herriges, M.DEvanston, IL 602021407962079

Common questions

What is Katherine Cotangco, D.O.'s NPI number?

Katherine Cotangco, D.O.'s National Provider Identifier (NPI) is 1902260904, issued on Apr 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Cotangco, D.O. located?

The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-9100. Providers update this record themselves, so call before visiting.

How can I verify Katherine Cotangco, D.O.'s license?

NPPES lists Illinois license number 036152823, 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 Katherine Cotangco, D.O. prescribe under Medicare Part D?

In 2024, Katherine Cotangco, D.O. had 13 Medicare Part D claims; the average among obstetrics physician prescribers was 218. 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.