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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. TATIANA PEREIRA DACUNHA M.D.
NPI 1740509827
Pediatrics in Elgin, IL

Active since May 27, 2010PECOS Enrolled
1425 N RANDALL RD, ELGIN, IL 60123(224) 783-5437(224) 783-2913 Get Directions Write a Review

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

Record update history: Oct 5, 2026, Feb 20, 2023, Aug 19, 2019 (3 updates tracked since 2019).

About Mrs. Tatiana Pereira Dacunha M.d. NPPES

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

MRS. TATIANA PEREIRA DACUNHA M.D. (NPI 1740509827) is an individual pediatrics provider in Elgin, Illinois, licensed in Illinois (036130910) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Park Ridge.

NPPES Registry Identity

NPI1740509827
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMRS. TATIANA PEREIRA DACUNHACredential: M.D.
Location Address1425 N RANDALL RDElgin, IL 60123-2300
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(224) 783-5437
Fax(224) 783-2913
Sole ProprietorNo
Enumeration DateMay 27, 2010
Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1740509827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in IL · 036130910✔ Licensed in IL · 125.058530
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedHospitalistTaxonomy 208M00000X · License 036130910 (IL)
1425 N RANDALL RD, Elgin, IL 60123
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Secondary Practice Location 1

Location 11775 W Dempster StPark Ridge, IL 60068-1143 · Phone (847) 723-5986

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Tatiana Pereira Dacunha M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Tatiana Pereira Dacunha reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advocate Health And Hospitals Corporation
24 mi
General Acute Care Hospital
3815 HIGHLAND AVE
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1578670543 (630) 275-5900
Endeavor Health Medical Group
33 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60123 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

TONIA C HANSON PA-C
Physician Assistant
1425 N RANDALL RD, SUITE 404
ELGIN, IL 60123
Kane County (224) 783-8129
NICOLE CARPENTER
Counselor (Mental Health)
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (847) 742-9800
JACLYN MASTRANGELI
Nurse Practitioner (Family)
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (847) 742-9800
DR. WESLEY DANIEL ROBERTS MD
Radiology (Diagnostic Radiology)
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (224) 783-8998
JOHN CORCORAN MD
Emergency Medicine
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (847) 742-9800
SARA RANDAZZO
Nurse Practitioner (Adult Health)
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (224) 742-9800
DR. RICHARD PATRICE ROUSSEAU MD
Anesthesiology
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (847) 742-9800
EMMA COHEN MSW
Social Worker
1425 N RANDALL RD
ELGIN, IL 60123
Kane County (847) 742-9800

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 Tatiana Pereira Dacunha's NPI number?

The NPI number for Tatiana Pereira Dacunha is 1740509827. It was assigned to this individual provider in the NPPES registry on May 27, 2010.

Where is Tatiana Pereira Dacunha located?

Tatiana Pereira Dacunha practices at 1425 N Randall Rd, Elgin, IL 60123. The listed phone number is (224) 783-5437.

What is Tatiana Pereira Dacunha's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Tatiana Pereira Dacunha enrolled in Medicare?

Yes. Tatiana Pereira Dacunha is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tatiana Pereira Dacunha's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tatiana Pereira Dacunha reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL) and Endeavor Health Medical Group (Evanston, IL). Each 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 Tatiana Pereira Dacunha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tatiana Pereira Dacunha was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.