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OLEH R TERLECKYJ MD
NPI 1144247958
Internal Medicine in Chicago, IL

Active since July 16, 2006PECOS Enrolled
93.08/100
CMS Quality Rating
2740 W FOSTER AVE, STE LL7, CHICAGO, IL 60625(773) 878-8200(773) 293-4197 Get Directions Write a Review

NPPES record last updated: October 30, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Oleh R Terleckyj Md NPPES

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

OLEH R TERLECKYJ MD (NPI 1144247958) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (0360795Z1) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144247958
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOLEH R TERLECKYJCredential: MD
Location Address2740 W FOSTER AVE, STE LL7Chicago, IL 60625
Mailing Address2740 W Foster Ave, Ste Ll7Chicago, IL 60625 · (773) 878-8200 · Fax (773) 293-4197
Phone(773) 878-8200
Fax(773) 293-4197
Sole ProprietorNo
Enumeration DateJuly 16, 2006
Last NPPES UpdateOctober 30, 2020
NPPES CertifiedOctober 30, 2020
✔ NPI 1144247958 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 · 0360795Z1
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.
2740 W FOSTER AVE, Chicago, IL 60625
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Other Identifiers 1

Medicaid0360795Z1IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oleh R Terleckyj 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 Oleh Terleckyj reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Swedish Covenant Management Services, Inc.
0.1 mi
Obstetrics & Gynecology
5140 N CALIFORNIA AVE
Chicago, IL 60625
  • Reassigned Medicare billing, Illinois enrollment
  • 350 clinicians in this Medicare group
NPI 1760432348 (847) 570-2040
Endeavor Health Medical Group
6.1 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
68 services64 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
56 services50 patients
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.
44 services40 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 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.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
94%180 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
99%3,397 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
86%2,282 patients2/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
44%367 patients3/55-star benchmark: 88%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
1%575 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
56%1,274 patients3/55-star benchmark: 96%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
85%575 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
51%575 patients3/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
24%575 patients
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
12 suppliers23 claims67 services$4.85 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers16 claims25 services$0.82 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers13 claims75 services$1.61 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
3 suppliers13 claims13 services$21.26 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers16 claims16 services$200.91 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. SOLOMON SIDEA
Internal Medicine
2740 W FOSTER AVE
CHICAGO, IL 60625
Cook County (773) 989-4111
DR. HOWARD CLARK FEDERER III M.D.
Surgery
2740 W FOSTER AVE, SUITE 213
CHICAGO, IL 60625
Cook County (773) 293-4001
DR. STEPHEN MICHAEL GROHMANN M.D.
Internal Medicine (Infectious Disease)
2740 W FOSTER AVE, SUITE 214
CHICAGO, IL 60625
Cook County (773) 907-3400
SWEDISH COVENANT PHYSICIAN PARTNERS, LTD.
Health Maintenance Organization
2740 W FOSTER AVE, SUITE 411
CHICAGO, IL 60625
Cook County (773) 271-0880
NEIGHBORHOOD FAMILY HEALTHCARE SC
Family Medicine
2740 W FOSTER AVE, SUITE 410
CHICAGO, IL 60625
Cook County (773) 907-0978
DELIS FAMILY MEDICAL, S.C.
Family Medicine
2740 W FOSTER AVE, STE. 316
CHICAGO, IL 60625
Cook County (773) 561-8481
FEDERER SURGICAL SERVICES LTD
Surgery
2740 W FOSTER AVE, SUITE 213
CHICAGO, IL 60625
Cook County (773) 293-4001
ASHWIN M SHAH, MD, SC
Surgery
2740 W FOSTER AVE
CHICAGO, IL 60625
Cook County (773) 293-4004

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 Oleh Terleckyj's NPI number?

The NPI number for Oleh Terleckyj is 1144247958. It was assigned to this individual provider in the NPPES registry on July 16, 2006.

Where is Oleh Terleckyj located?

Oleh Terleckyj practices at 2740 W Foster Ave Ste Ll7, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is Oleh Terleckyj's specialty?

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

Is Oleh Terleckyj enrolled in Medicare?

Yes. Oleh Terleckyj is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Oleh Terleckyj's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oleh Terleckyj reassigns Medicare benefits to 2 organizations: Swedish Covenant Management Services, Inc. (Chicago, IL) and Endeavor Health Medical Group (Evanston, 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 Oleh Terleckyj'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 Oleh Terleckyj was last updated on October 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.