1. Home
  2. Directory
  3. Ohio
  4. Cleveland
  5. Internal Medicine
  6. NPI Profile

DR. JULIANN KOLESZAR EK M.D.
NPI 1811428394
Internal Medicine - Infectious Disease in Cleveland, OH

Active since March 25, 2017PECOS Enrolled
9500 EUCLID AVE, CLEVELAND, OH 44195(216) 444-8845 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 20, 2026, Apr 21, 2020, Mar 25, 2017 (3 updates tracked since 2017).

About Dr. Juliann Koleszar Ek M.d. NPPES

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

DR. JULIANN KOLESZAR EK M.D. (NPI 1811428394) is an individual infectious disease provider in Cleveland, Ohio, licensed in Ohio (35.153754) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811428394
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. JULIANN KOLESZAR EKCredential: M.D.
Location Address9500 EUCLID AVECleveland, OH 44195-0001
Mailing Address9500 Euclid AveCleveland, OH 44195-0001
Phone(216) 444-8845
Sole ProprietorNo
Enumeration DateMarch 25, 2017
Last NPPES UpdateJuly 20, 20263 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1811428394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in OH · 35.153754
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
9500 EUCLID AVE, Cleveland, OH 44195
Open in Google Maps ↗

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. Juliann Koleszar Ek 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 44195 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

MS. MARY COLLEEN RATH R.D., L.D., CNSC
Dietitian, Registered
9500 EUCLID AVE, M17
CLEVELAND, OH 44195
Cuyahoga County (216) 444-6986
DR. CHRISTOPHER F TENGGARDJAJA M.D.
Urology (Urogynecology and Reconstructive Pelvic Surgery)
9500 EUCLID AVE, Q10-1
CLEVELAND, OH 44195
Cuyahoga County (216) 444-5600
DR. MASATO FUJIKI M.D., PH.D.
Surgery
9500 EUCLID AVE
CLEVELAND, OH 44195
Cuyahoga County (216) 444-8007
KRISTIN R JOHNSON CNP
Nurse Practitioner
9500 EUCLID AVE
CLEVELAND, OH 44195
Cuyahoga County (800) 223-2273
MONICA LYNN SHEIN CRNA
Nurse Anesthetist, Certified Registered
9500 EUCLID AVE
CLEVELAND, OH 44195
Cuyahoga County (800) 223-2273
MRS. TONYA RENEE GOINGS ACNP-BC
Nurse Practitioner (Acute Care)
9500 EUCLID AVE, SUITE RC25
CLEVELAND, OH 44195
Cuyahoga County (216) 444-2200
MS. DANA ANNE RUBIS CNP
Nurse Practitioner (Critical Care Medicine)
9500 EUCLID AVE, G58
CLEVELAND, OH 44195
Cuyahoga County (216) 444-5086
DR. RACHAEL C SULLIVAN M.D.
Surgery
9500 EUCLID AVE
CLEVELAND, OH 44195
Cuyahoga County (440) 449-1101

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 Juliann Ek's NPI number?

The NPI number for Juliann Ek is 1811428394. It was assigned to this individual provider in the NPPES registry on March 25, 2017.

Where is Juliann Ek located?

Juliann Ek practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (216) 444-8845.

What is Juliann Ek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Juliann Ek enrolled in Medicare?

Yes. Juliann Ek is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Juliann Ek was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.