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LEONIDAS G VASSILAROS M.D.
NPI 1104897941
Internal Medicine - Nephrology in Youngstown, OH

Active since January 30, 2006PECOS EnrolledAccepts Medicare Assignment
1340 BELMONT AVE, SUITE 2300, YOUNGSTOWN, OH 44504(330) 746-1488(330) 746-5611 Get Directions Write a Review

NPPES record last updated: April 3, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Leonidas G Vassilaros M.d. NPPES

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

LEONIDAS G VASSILAROS M.D. (NPI 1104897941) is an individual nephrology provider in Youngstown, Ohio, licensed in Ohio (35052890V) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Youngstown Hospital, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1104897941
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameLEONIDAS G VASSILAROSCredential: M.D.
Location Address1340 BELMONT AVE, SUITE 2300Youngstown, OH 44504-1125
Mailing Address1340 Belmont Ave, Suite 2300Youngstown, OH 44504-1125 · (330) 746-1488 · Fax (330) 746-5611
Phone(330) 746-1488
Fax(330) 746-5611
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJanuary 30, 2006
Last NPPES UpdateApril 3, 2014
✔ NPI 1104897941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses✔ Licensed in OH · 35052890V✔ Licensed in PA · MD039853L
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1340 BELMONT AVE, Youngstown, OH 44504
Open in Google Maps ↗

Other Identifiers 5

Medicare ID-Type UnspecifiedVA0612902OH
Medicaid1230382PA
Medicaid0775079OH
Medicare ID-Type UnspecifiedVA600266PA
Medicare UPINA17336

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, MedMutual, Molina Healthcare and more.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

Leonidas G Vassilaros 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 ID1355332644
PECOS Enrollment IDI20040524001440, I20120413000597
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.
70 services54 patients

Hospital Affiliations CMS Care Compare 3

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

St Elizabeth Youngstown Hospital

Acute Care Hospitals · Youngstown, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360064
Location1044 Belmont AvenueYoungstown, OH 44501 · Mahoning County
Emergency services

Hmhp St Elizabeth Boardman Health Center

Acute Care Hospitals · Boardman, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360276
Location8401 Market StreetBoardman, OH 44512 · Mahoning County
Emergency services Birthing friendly

Upmc Horizon

Acute Care Hospitals · Greenville, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390178
Location110 North Main StreetGreenville, PA 16125 · Mercer County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44504 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.

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

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.
60%639 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
81%160 patients4/55-star benchmark: 90%
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…
96%250 patients4/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 79% · 92 patients
79%92 patients
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 160 patients
0%160 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

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

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers15 claims15 services$12.63 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 15

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

DONALD JOSEPH TAMULONIS JR. MD
Psychiatry & Neurology (Neurology)
1340 BELMONT AVE, SUITE 2200
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7400
ADVANCED NEUROLOGY ASSOCIATES INC
Neuromusculoskeletal Medicine & OMM
1340 BELMONT AVE, SUITE 2200
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7400
RENEE SFERRA CNS
Clinical Nurse Specialist (Adult Health)
1340 BELMONT AVE, SUITE 2200
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7400
SHERIF A SOLIMAN M.D.
Internal Medicine (Nephrology)
1340 BELMONT AVE, SUITE 2300
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-1488
NATHANIEL S DOE M.D.
Internal Medicine (Nephrology)
1340 BELMONT AVE, SUITE 2300
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-1488
PHYSICIANS DIALYSIS COMPANY, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1340 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-2860
JESSE V MCCLAIN CNS
Clinical Nurse Specialist (Adult Health)
1340 BELMONT AVE, STE 2200
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7400
AUGUSTINE P BISCARDI D.O.
Internal Medicine (Nephrology)
1340 BELMONT AVE, SUITE 2300
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-1488

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 Leonidas Vassilaros's NPI number?

The NPI number for Leonidas Vassilaros is 1104897941. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Leonidas Vassilaros located?

Leonidas Vassilaros practices at 1340 Belmont Ave Suite 2300, Youngstown, OH 44504. The listed phone number is (330) 746-1488.

What is Leonidas Vassilaros's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Leonidas Vassilaros enrolled in Medicare?

Yes. Leonidas Vassilaros 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 Leonidas Vassilaros accept?

Health plans from CareSource, MedMutual, Molina Healthcare and UnitedHealthcare list Leonidas Vassilaros 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 Leonidas Vassilaros affiliated with any hospitals?

According to CMS data, Leonidas Vassilaros is affiliated with St Elizabeth Youngstown Hospital, Hmhp St Elizabeth Boardman Health Center and Upmc Horizon.

When was this NPI record last updated?

The NPPES record for Leonidas Vassilaros was last updated on April 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.