RAE LEONOR FERRER GUMAYAN MD
NPI 1912402694
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Chicago, IL

Q: What is Rae Leonor Gumayan's NPI number?

The NPI number for Rae Leonor Gumayan is 1912402694. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Q: What is Rae Leonor Gumayan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Active since March 26, 2018PECOS Enrolled

5841 S MARYLAND AVE, CHICAGO, IL 60637(888) 824-0200 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 27, 2025, Jun 27, 2018, Mar 26, 2018 (3 updates tracked since 2018).

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About Rae Leonor Ferrer Gumayan Md NPPES

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

RAE LEONOR FERRER GUMAYAN MD (NPI 1912402694) is an individual neurology with special qualifications in child neurology provider in Chicago, Illinois, licensed in Illinois (036177163) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Washington, and is a graduate of Southern Illinois University School Of Medicine (2018).

NPPES Registry Identity

NPI1912402694

Entity TypeIndividualFemale

Primary Taxonomy2084N0402X

Provider Legal NameRAE LEONOR FERRER GUMAYANCredential: MD

Location Address5841 S MARYLAND AVEChicago, IL 60637-1443

Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965

Phone(888) 824-0200

Sole ProprietorNo

Medical School CMSSouthern Illinois University School Of MedicineGraduated 2018

Enumeration DateMarch 26, 2018

Last NPPES UpdateOctober 24, 20253 updates tracked since enumeration

NPPES CertifiedOctober 24, 2025

✔ NPI 1912402694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0402X

License✔ Licensed in IL · 036177163

Definition

A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.

Also ListedPediatricsTaxonomy 208000000X · License 57.246599 (OH)

5841 S MARYLAND AVE, Chicago, IL 60637

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Secondary Practice Location 1

Location 1111 Michigan Ave NWWashington, DC 20010-2916 · Phone (202) 476-2603 · Fax (202) 476-5897

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 (PECOS)

Rae Leonor Ferrer Gumayan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507113404

PECOS Enrollment IDI20251105000895

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

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

The University Of Chicago Medical Center

Same address

General Acute Care Hospital

5841 S MARYLAND AVE
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
1,905 clinicians in this Medicare group

NPI 1033218128 (773) 702-1530

University Of Chicago

Same address

Multi-Specialty

5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
2,237 clinicians in this Medicare group

NPI 1821048786 (773) 702-9200

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 60637 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

DR. DON MARTINEZ M.D.

Radiology (Diagnostic Radiology)