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OFELIA S RUIZ MD
NPI 1912093014
Pathology - Anatomic Pathology & Clinical Pathology in Chicago, IL

Active since October 05, 2006PECOS Enrolled
98.4/100
CMS Quality Rating
2233 W DIVISION ST, CHICAGO, IL 60622(312) 770-2000 Get Directions Write a Review

NPPES record last updated: July 31, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ofelia S Ruiz Md NPPES

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

OFELIA S RUIZ MD (NPI 1912093014) is an individual anatomic pathology & clinical pathology provider in Chicago, Illinois, licensed in Illinois (036100777) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912093014
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameOFELIA S RUIZCredential: MD
Location Address2233 W DIVISION STChicago, IL 60622-3043
Mailing Address1s280 Summit Ave, Court A1Oakbrook Terrace, IL 60181-3936 · (630) 418-3215
Phone(312) 770-2000
Sole ProprietorNo
Enumeration DateOctober 5, 2006
Last NPPES UpdateJuly 31, 2018
✔ NPI 1912093014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in IL · 036100777
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2233 W DIVISION ST, Chicago, IL 60622
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Other Identifiers 3

OtherP00197434Railroad Medicare
Medicaid036100777IL
Other01634127IL · Bcbs Il

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ofelia S Ruiz Md 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 Ofelia Ruiz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Addison-Central Pathology PLLC
8.9 mi
Anatomic Pathology & Clinical Pathology
7435 W TALCOTT AVE
Chicago, IL 60631
  • Reassigned Medicare billing, Illinois enrollment
  • 25 clinicians in this Medicare group
NPI 1902902281 (773) 774-8000
Alliance Pathology Consultants, PLLC
19 mi
Anatomic Pathology & Clinical Pathology
800 BIESTERFIELD RD
Elk Grove Village, IL 60007
  • Reassigned Medicare billing, Illinois enrollment
  • 18 clinicians in this Medicare group
NPI 1972881613 (800) 831-2402

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
505 services171 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
96 services86 patients
Pathology examination of tissue using a microscope, limited examination 88300
A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.
30 services27 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
14 services12 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
14 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60622 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost94.69

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.

TOMASZ PIOTR LIS MD
Family Medicine
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (312) 770-2000
MELFA LAROZA
Physical Therapist
2233 W DIVISION ST, PHYSICAL THERAPY DEPARTMENT
CHICAGO, IL 60622
Cook County (312) 770-2000
SHEILA DESMOND O'NEILL PA-C
Physician Assistant
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (312) 770-2062
WORK & PILLAY SC
Psychiatry & Neurology (Psychiatry)
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (916) 342-7015
JASMINE SHAREEN AGYEI-POKU MD
Student in an Organized Health Care Education/Training Program
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (312) 770-2858
SHALOM GEORGE
Student in an Organized Health Care Education/Training Program
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (312) 770-2849
CHRISTINA VOLKENING MSN, CNM
Advanced Practice Midwife
2233 W DIVISION ST
CHICAGO, IL 60622
Cook County (312) 770-2000
MARIE L MALAZARTE
Physical Therapist
2233 W DIVISION ST, PHYSICAL THERAPY DEPT.
CHICAGO, IL 60622
Cook County (312) 770-2000

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 Ofelia Ruiz's NPI number?

The NPI number for Ofelia Ruiz is 1912093014. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Ofelia Ruiz located?

Ofelia Ruiz practices at 2233 W Division St, Chicago, IL 60622. The listed phone number is (312) 770-2000.

What is Ofelia Ruiz's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ofelia Ruiz enrolled in Medicare?

Yes. Ofelia Ruiz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ofelia Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ofelia Ruiz reassigns Medicare benefits to 2 organizations: Addison-Central Pathology PLLC (Chicago, IL) and Alliance Pathology Consultants, PLLC (Elk Grove Village, 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 Ofelia Ruiz'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 Ofelia Ruiz was last updated on July 31, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.