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MARIE-ELLEN TUBAL SARVIDA M.D.
NPI 1801005848
Pediatrics - Pediatric Hematology-Oncology in Oak Lawn, IL

Active since May 22, 2007PECOS EnrolledAccepts Medicare Assignment
4440 WEST 95TH STREET, OAK LAWN, IL 60453(708) 684-4094(708) 684-6856 Get Directions Write a Review

NPPES record last updated: April 20, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 20, 2022, Mar 22, 2017 (2 updates tracked since 2017).

About Marie-ellen Tubal Sarvida M.d. NPPES

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

MARIE-ELLEN TUBAL SARVIDA M.D. (NPI 1801005848) is an individual pediatric hematology-oncology provider in Oak Lawn, Illinois, licensed in Illinois (036112103) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1801005848
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameMARIE-ELLEN TUBAL SARVIDACredential: M.D.
Location Address4440 WEST 95TH STREETOak Lawn, IL 60453
Mailing Address4440 West 95th StreetOak Lawn, IL 60453 · (708) 684-4094 · Fax (708) 684-6856
Phone(708) 684-4094
Fax(708) 684-6856
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 22, 2007
Last NPPES UpdateApril 20, 20222 updates tracked since enumeration
NPPES CertifiedApril 20, 2022
✔ NPI 1801005848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in IL · 036112103
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
4440 WEST 95TH STREET, Oak Lawn, IL 60453
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.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

Marie-ellen Tubal Sarvida 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 ID345316261
PECOS Enrollment IDI20080829000082
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 Marie-ellen Sarvida reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health & Hospitals Corporation
Same address
Medical Specialty
4440 W 95TH ST
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1912936014 (847) 390-5900

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

Other Providers at the Same Location NPPES 4

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

KARLA KATHERINE WEHRHEIM
Pediatrics (Pediatric Cardiology)
4440 WEST 95TH STREET, PEDIATRIC CARDIOLOGY
OAK LAWN, IL 60453
Cook County (708) 648-5580
MRS. BRITTANY NOEL VISSEPO AGACNP-BC
Nurse Practitioner (Acute Care)
4440 WEST 95TH STREET, SUITE AIP OAK LAWN
OAK LAWN, IL 60453
Cook County (708) 684-5400
DALIA SAWICKI
Nurse Practitioner (Acute Care)
4440 WEST 95TH STREET, ASHU
OAK LAWN, IL 60453
Cook County (708) 684-8000
CHERYL ANNE HAGER APN
Clinical Nurse Specialist (Medical-Surgical)
4440 WEST 95TH STREET
OAK LAWN, IL 60453
Cook County (708) 684-3337

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 Marie-ellen Sarvida's NPI number?

The NPI number for Marie-ellen Sarvida is 1801005848. It was assigned to this individual provider in the NPPES registry on May 22, 2007.

Where is Marie-ellen Sarvida located?

Marie-ellen Sarvida practices at 4440 West 95th Street, Oak Lawn, IL 60453. The listed phone number is (708) 684-4094.

What is Marie-ellen Sarvida's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Marie-ellen Sarvida enrolled in Medicare?

Yes. Marie-ellen Sarvida 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 Marie-ellen Sarvida's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marie-ellen Sarvida reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, IL). 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 Marie-ellen Sarvida's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marie-ellen Sarvida accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Marie-ellen Sarvida 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.

When was this NPI record last updated?

The NPPES record for Marie-ellen Sarvida was last updated on April 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.