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DR. OPHELIA RALLOS M.D.
NPI 1366598039
Internal Medicine in Chicago, IL

Active since January 26, 2007PECOS Enrolled
4200 N OAK PARK AVE, CHICAGO, IL 60634(773) 794-4000(773) 794-4046 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ophelia Rallos M.d. NPPES

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

DR. OPHELIA RALLOS M.D. (NPI 1366598039) is an individual internal medicine provider in Chicago, Illinois and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366598039
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. OPHELIA RALLOSCredential: M.D.
Location Address4200 N OAK PARK AVEChicago, IL 60634-1417
Mailing Address4200 N Oak Park AveChicago, IL 60634-1417 · (773) 794-4000 · Fax (773) 794-4046
Phone(773) 794-4000
Fax(773) 794-4046
Sole ProprietorYes
Enumeration DateJanuary 26, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1366598039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4200 N OAK PARK AVE, Chicago, IL 60634
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ophelia Rallos 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60634 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.

IDHS CHICAGO READ MHC
Psychiatric Unit
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-3733
DR. PAULE PHILIPPE M.D.
Psychiatry & Neurology (Psychiatry)
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-4000
ILLINOIS DEPARTMENT OF HUMAN SERVICES
Pharmacy (Long Term Care Pharmacy)
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-4316
IDHS CHICAGO READ MHC
Psychiatric Unit
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-3733
DR. FLORA B. BAETIONG M.D.
Psychiatry & Neurology (Psychiatry)
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-4000
DR. MA-CORAZON DIAZ M.D.
Family Medicine
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (770) 794-4000
DR. YETUNDE JOHNSON MD., MPH
Psychiatry & Neurology (Psychiatry)
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 794-4000
DR. MERCEDES MARTINEZ M.D.
Psychiatry & Neurology (Psychiatry)
4200 N OAK PARK AVE
CHICAGO, IL 60634
Cook County (773) 551-2724

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 Ophelia Rallos's NPI number?

The NPI number for Ophelia Rallos is 1366598039. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Ophelia Rallos located?

Ophelia Rallos practices at 4200 N Oak Park Ave, Chicago, IL 60634. The listed phone number is (773) 794-4000.

What is Ophelia Rallos's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ophelia Rallos enrolled in Medicare?

Yes. Ophelia Rallos is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ophelia Rallos was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.