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MR. ARIEL CHAVEZ MD
NPI 1902978257
Internal Medicine in Chicago, IL

Active since November 14, 2006PECOS EnrolledAccepts Medicare Assignment
4608 S ASHLAND AVE, CHICAGO, IL 60609(773) 927-7573(773) 927-7382 Get Directions Write a Review

NPPES record last updated: April 30, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Ariel Chavez Md NPPES

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

MR. ARIEL CHAVEZ MD (NPI 1902978257) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036054596) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Anthony Hospital, and is a graduate of Other (1969).

NPPES Registry Identity

NPI1902978257
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. ARIEL CHAVEZCredential: MD
Location Address4608 S ASHLAND AVEChicago, IL 60609
Mailing AddressPo Box 597202Chicago, IL 60659 · (773) 927-7573 · Fax (773) 927-7382
Phone(773) 927-7573
Fax(773) 927-7382
Sole ProprietorNo
Medical School CMSOtherGraduated 1969
Enumeration DateNovember 14, 2006
Last NPPES UpdateApril 30, 2010
✔ NPI 1902978257 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 · 036054596
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.
4608 S ASHLAND AVE, Chicago, IL 60609
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Other Identifiers 5

Other363306485Tax Id
Medicare UPINC42558
Medicaid036054596IL
Other21606887IL · Bcbs
Medicare ID-Type Unspecified491890IL

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

Mr. Ariel Chavez Md 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 ID8527194620
PECOS Enrollment IDI20100329000200
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

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.
139 services55 patients

Hospital Affiliations CMS Care Compare

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

Saint Anthony Hospital

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140095
Location2875 West 19th StreetChicago, IL 60623 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60609 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.

Referred Medical Equipment & Supplies CMS DME claims

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
5 suppliers17 claims34 services$5.10 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 3

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

EDUARDO ENCINAS MD SC
Obstetrics & Gynecology
4608 S ASHLAND AVE
CHICAGO, IL 60609
Cook County (773) 927-7574
DR. EDUARDO JORGE ENCINAS M.D.
Obstetrics & Gynecology
4608 S ASHLAND AVE
CHICAGO, IL 60609
Cook County (773) 927-7574
ARIEL CHAVEZ MD SC
Internal Medicine
4608 S ASHLAND AVE
CHICAGO, IL 60609
Cook County (773) 927-7573

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 Ariel Chavez's NPI number?

The NPI number for Ariel Chavez is 1902978257. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is Ariel Chavez located?

Ariel Chavez practices at 4608 S Ashland Ave, Chicago, IL 60609. The listed phone number is (773) 927-7573.

What is Ariel Chavez's specialty?

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

Is Ariel Chavez enrolled in Medicare?

Yes. Ariel Chavez 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 Ariel Chavez affiliated with any hospitals?

According to CMS data, Ariel Chavez is affiliated with Saint Anthony Hospital.

When was this NPI record last updated?

The NPPES record for Ariel Chavez was last updated on April 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.