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MARY VOUYIOUKLIS KELLIS M.D.
NPI 1942405790
Internal Medicine - Endocrinology, Diabetes & Metabolism in Cleveland, OH

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
CLEVELAND CLINIC F 20, 9500 EUCLID AVENUE, CLEVELAND, OH 44195(216) 444-6568 Get Directions Write a Review

NPPES record last updated: January 9, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary Vouyiouklis Kellis M.d. NPPES

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

MARY VOUYIOUKLIS KELLIS M.D. (NPI 1942405790) is an individual endocrinology, diabetes & metabolism provider in Cleveland, Ohio, licensed in Ohio (35.099918) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1942405790
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMARY VOUYIOUKLIS KELLISCredential: M.D.
Location AddressCLEVELAND CLINIC F 20, 9500 EUCLID AVENUECleveland, OH 44195-0001
Mailing AddressCleveland Clinic F 20, 9500 Euclid AvenueCleveland, OH 44195-0001 · (216) 444-6568
Phone(216) 444-6568
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateJune 20, 2007
Last NPPES UpdateJanuary 9, 2015
✔ NPI 1942405790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in OH · 35.099918✔ Licensed in NY · 238508
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
CLEVELAND CLINIC F 20, Cleveland, OH 44195
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Corporation of Ohio.Insurance ›

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

Mary Vouyiouklis Kellis 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 ID1153473467
PECOS Enrollment IDI20120910000542
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 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.

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.
196 services148 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.
44 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
27 services18 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Cleveland Clinic

Acute Care Hospitals · Cleveland, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360180
Location9500 Euclid AvenueCleveland, OH 44195 · Cuyahoga County
Emergency services Birthing friendly

Hillcrest Hospital

Acute Care Hospitals · Mayfield Heights, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360230
Location6780 Mayfield RoadMayfield Heights, OH 44124 · Cuyahoga County
Birthing friendly

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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
5 suppliers14 claims159 services$17.07 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers13 claims428 services$2.35 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
32 suppliers93 claims378 services$5.99 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
19 suppliers47 claims104 services$1.06 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers15 claims15 services$322.06 avg. paid by Medicare
Adjunctive continuous glucose monitor or receiver E2102
DME-Other DME · category DE017N
2 suppliers14 claims14 services$15.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Mary Kellis's NPI number?

The NPI number for Mary Kellis is 1942405790. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Mary Kellis located?

Mary Kellis practices at Cleveland Clinic F 20 9500 Euclid Avenue, Cleveland, OH 44195. The listed phone number is (216) 444-6568.

What is Mary Kellis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mary Kellis enrolled in Medicare?

Yes. Mary Kellis 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.

What insurance does Mary Kellis accept?

Health plans from Oscar Insurance Corporation of Ohio list Mary Kellis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Kellis affiliated with any hospitals?

According to CMS data, Mary Kellis is affiliated with Cleveland Clinic and Hillcrest Hospital.

When was this NPI record last updated?

The NPPES record for Mary Kellis was last updated on January 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.