NPPES file of Aug 9, 2026

Gladys Estrada, M.D.

Family Medicine Physician · Chicago, IL

Gladys Estrada, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1124254800, issued on Jun 8, 2009. Check the license (Illinois 125056228, 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
1124254800
Name
Gladys Estrada
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
125056228 IL
Self-reported in NPPES; status is on the state search
Practice location
5359 W Fullerton Ave, Chicago, IL 60639
Phone
(708) 763-2369
Enumerated
Jun 8, 2009
Record last updated
Apr 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170413002352); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2009
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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8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →

Also registered at 5359 W Fullerton Ave

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

  1. Ricardo Aguinaga, LCSWClinical Social Worker1215187661
  2. Gerardo AscencioHealth Educator1346180171
  3. Caitlyn Bell, PA-CPhysician Assistant1366108169
  4. Mary Rose Benson, LCSWClinical Social Worker1548733629
  5. Megan Bidgoli, MDFamily Medicine Physician1760642466
  6. Rachel Brdicka, FNPFamily Nurse Practitioner1043183288

Verify Gladys Estrada 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 125056228    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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66% fewer Medicare Part D claims than the average family medicine physician in 2024

1,188 Medicare Part D claims for 68 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 43 claims were for opioids.

  1. Gladys Estrada1,188
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate69 claims
  2. Lisinopril67 claims
  3. Levothyroxine Sodium58 claims
  4. Atorvastatin Calcium52 claims
  5. Simvastatin38 claims
  6. Albuterol Sulfate Hfa37 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.

Bills Medicare through one group practice

  1. Portland Community Health CenterPortland, ME

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

Gladys Estrada among 6,215 family medicine physician records in Illinois

Gladys Estrada, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2009 · median 2006 among the 3,714 with a school on file
  • Record last updated2011 · 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.

All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Jean Bourand, MDChicago, IL 606391770687279
  2. James Caruso, MDChicago, IL 606391275524449
  3. Jim Christoforidis, M.D.Chicago, IL 606391578546222
  4. Natasha Diaz, MDChicago, IL 606391659300408
  5. Julia Eckersley, MDChicago, IL 606391639116528
  6. Deborah Edberg, M.D.Chicago, IL 606391194758722
  7. Finicia Graham, MDChicago, IL 606391215196282
  8. Pawel Kwiecinski, M.D.Chicago, IL 606391871647925

Common questions

What is Gladys Estrada, M.D.'s NPI number?

Gladys Estrada, M.D.'s National Provider Identifier (NPI) is 1124254800, issued on Jun 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gladys Estrada, M.D. located?

The NPPES record lists a practice address at 5359 W Fullerton Ave, Chicago, IL, 60639. Phone: (708) 763-2369. Providers update this record themselves, so call before visiting.

How can I verify Gladys Estrada, M.D.'s license?

NPPES lists Illinois license number 125056228, 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 Gladys Estrada, M.D. prescribe under Medicare Part D?

In 2024, Gladys Estrada, M.D. had 1,188 Medicare Part D claims for 68 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.