1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

NILUARDO CAY M.D.
NPI 1588766646
Internal Medicine in Chicago, IL

Active since September 01, 2006PECOS EnrolledAccepts Medicare Assignment
1431 N WESTERN AVE, SUITE #209, CHICAGO, IL 60622(773) 235-5391 Get Directions Write a Review

NPPES record last updated: June 20, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Niluardo Cay M.d. NPPES

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

NILUARDO CAY M.D. (NPI 1588766646) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036056545) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Amita Health Resurrection Medical Center, and is a graduate of Other (1974).

NPPES Registry Identity

NPI1588766646
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNILUARDO CAYCredential: M.D.
Location Address1431 N WESTERN AVE, SUITE #209Chicago, IL 60622-1797
Mailing Address520 E 22nd StLombard, IL 60148-6110 · (630) 874-2542 · Fax (630) 874-2642
Phone(773) 235-5391
Sole ProprietorYes
Medical School CMSOtherGraduated 1974
Enumeration DateSeptember 1, 2006
Last NPPES UpdateJune 20, 2008
✔ NPI 1588766646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036056545
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.
1431 N WESTERN AVE, Chicago, IL 60622
Open in Google Maps ↗

Other Identifiers 2

Medicare UPIND14919IL
Medicare PIN212680IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Niluardo Cay 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 ID7416929526
PECOS Enrollment IDI20040810000365
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.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
227 services48 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
106 services16 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
41 services19 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140117
Location7435 W Talcott AvenueChicago, IL 60631 · Cook County
Emergency services Birthing friendly

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140180
Location2233 W Division StChicago, IL 60622 · Cook County
Emergency services Birthing friendly

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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%93 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%106 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers22 claims42 services$5.79 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers14 claims17 services$0.93 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier19 claims19 services$15.25 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$3.40 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier19 claims19 services$64.02 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. MICHAEL R TREISTER M.D.
Orthopaedic Surgery
1431 N WESTERN AVE
CHICAGO, IL 60622
Cook County (312) 633-5866
DR. SYEDA H ZAHEDI M.D.
Family Medicine
1431 N WESTERN AVE, SUITE 112
CHICAGO, IL 60622
Cook County (773) 289-3945
MANUEL ALBERTO FRANCO MD
Family Medicine
1431 N WESTERN AVE, 508
CHICAGO, IL 60622
Cook County (773) 489-7648
MARGUERITE J HENDERSON LCSW PC
Social Worker (Clinical)
1431 N WESTERN AVE, SUITE 504
CHICAGO, IL 60622
Cook County (773) 645-3457
DR. HUMBERTO VERGARA M.D.
Family Medicine (Addiction Medicine)
1431 N WESTERN AVE, SUITE 205
CHICAGO, IL 60622
Cook County (773) 278-4811
DR. YOUNG H MOK MD
Pediatrics
1431 N WESTERN AVE, #101
CHICAGO, IL 60622
Cook County (773) 276-2272
VINOD K SHAH R.PH.
Pharmacist
1431 N WESTERN AVE
CHICAGO, IL 60622
Cook County (312) 633-5855
MARSHALL I MATZ & DAVID M SHENKER MDSC
Psychiatry & Neurology (Neurology)
1431 N WESTERN AVE, SUITE 306
CHICAGO, IL 60622
Cook County (312) 332-2226

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 Niluardo Cay's NPI number?

The NPI number for Niluardo Cay is 1588766646. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Niluardo Cay located?

Niluardo Cay practices at 1431 N Western Ave Suite #209, Chicago, IL 60622. The listed phone number is (773) 235-5391.

What is Niluardo Cay's specialty?

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

Is Niluardo Cay enrolled in Medicare?

Yes. Niluardo Cay 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.

Is Niluardo Cay affiliated with any hospitals?

According to CMS data, Niluardo Cay is affiliated with Amita Health Resurrection Medical Center and Presence Saints Mary And Elizabeth Medical Center.

When was this NPI record last updated?

The NPPES record for Niluardo Cay was last updated on June 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.