GLADYS ESTRADA M.D.
NPI 1124254800
Family Medicine in Chicago, IL

Active since June 08, 2009PECOS EnrolledAccepts Medicare Assignment
5359 W FULLERTON AVE, CHICAGO, IL 60639(708) 763-2369 Get Directions Write a Review

NPPES record last updated: April 5, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gladys Estrada M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GLADYS ESTRADA M.D. (NPI 1124254800) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (125056228) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of Georgetown University School Of Medicine (2009).

NPPES Registry Identity

NPI1124254800
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameGLADYS ESTRADACredential: M.D.
Location Address5359 W FULLERTON AVEChicago, IL 60639-1450
Mailing Address5359 W Fullerton AveChicago, IL 60639-1450
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2009
Enumeration DateJune 8, 2009
Last NPPES UpdateApril 5, 2011
✔ NPI 1124254800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 125056228
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5359 W FULLERTON AVE, Chicago, IL 60639

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gladys Estrada M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860639176
PECOS Enrollment IDI20170413002352
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gladys Estrada reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
125 STROUDWATER ST
Westbrook, ME 04092
  • Reassigned Medicare billing, Maine enrollment
  • 65 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northern Light Health

Acute Care Hospitals · Portland, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200008
Location144 State StreetPortland, ME 04101 · Cumberland County
Emergency services Birthing friendly

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60639 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
5359 W FULLERTON AVE
CHICAGO, IL 60639
Social Worker (Clinical)
5359 W FULLERTON AVE
CHICAGO, IL 60639
Nurse Practitioner (Family)
5359 W FULLERTON AVE
CHICAGO, IL 60639
Dietitian, Registered
5359 W FULLERTON AVE
CHICAGO, IL 60639
Family Medicine
5359 W FULLERTON AVE
CHICAGO, IL 60639
Family Medicine
5359 W FULLERTON AVE
CHICAGO, IL 60639
Dentist
5359 W FULLERTON AVE
CHICAGO, IL 60639
Family Medicine
5359 W FULLERTON AVE
CHICAGO, IL 60639

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gladys Estrada's NPI number?

The NPI number for Gladys Estrada is 1124254800. It was assigned to this individual provider in the NPPES registry on June 8, 2009.

Where is Gladys Estrada located?

Gladys Estrada practices at 5359 W Fullerton Ave, Chicago, IL 60639. The listed phone number is (708) 763-2369.

What is Gladys Estrada's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gladys Estrada enrolled in Medicare?

Yes. Gladys Estrada is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gladys Estrada's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gladys Estrada reassigns Medicare benefits to Portland Community Health Center (Westbrook, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gladys Estrada's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gladys Estrada accept?

Health plans from Anthem Blue Cross and Blue Shield list Gladys Estrada as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gladys Estrada affiliated with any hospitals?

According to CMS data, Gladys Estrada is affiliated with Northern Light Health and Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Gladys Estrada was last updated on April 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.