1. Home
  2. Directory
  3. New York
  4. Stony Brook
  5. Internal Medicine
  6. NPI Profile

OLGA CHRISTINA ARONIADIS M.D.
NPI 1942508262
Internal Medicine in Stony Brook, NY

Active since March 10, 2011PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
101 NICOLLS RD # T17-060, STONY BROOK, NY 11794(631) 444-2119(631) 865-0917 Get Directions Write a Review

NPPES record last updated: May 2, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Olga Christina Aroniadis M.d. NPPES

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

OLGA CHRISTINA ARONIADIS M.D. (NPI 1942508262) is an individual internal medicine provider in Stony Brook, New York, licensed in New York (260339-1) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2008).

NPPES Registry Identity

NPI1942508262
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameOLGA CHRISTINA ARONIADISCredential: M.D.
Location Address101 NICOLLS RD # T17-060Stony Brook, NY 11794-2401
Mailing Address111 E 210th StBronx, NY 10467-2401
Phone(631) 444-2119
Fax(631) 865-0917
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2008
Enumeration DateMarch 10, 2011
Last NPPES UpdateMay 2, 2022
NPPES CertifiedMay 2, 2022
✔ NPI 1942508262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 260339-1
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.
101 NICOLLS RD # T17-060, Stony Brook, NY 11794
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Olga Christina Aroniadis 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 ID7315115490
PECOS Enrollment IDI20110715000008
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 Olga Aroniadis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stony Brook Internists, University Faculty Practice Corporation
0.5 mi
Gastroenterology
SUNY @ STONY BROOK, HSC, L16, RM 020
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • 44 clinicians in this Medicare group
NPI 1265471809 (631) 444-2448
Montefiore Medical Center
40 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021

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 10

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.
67 services61 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
48 services48 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.
43 services35 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
42 services38 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
35 services35 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
34 services34 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

MR. UMER EJAZ MALIK M.D.
Internal Medicine (Gastroenterology)
101 NICOLLS RD # T17-060
STONY BROOK, NY 11794
Suffolk County (631) 444-2119

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 Olga Aroniadis's NPI number?

The NPI number for Olga Aroniadis is 1942508262. It was assigned to this individual provider in the NPPES registry on March 10, 2011.

Where is Olga Aroniadis located?

Olga Aroniadis practices at 101 Nicolls Rd # T17-060, Stony Brook, NY 11794. The listed phone number is (631) 444-2119.

What is Olga Aroniadis's specialty?

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

Is Olga Aroniadis enrolled in Medicare?

Yes. Olga Aroniadis 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.

Which organizations bill Medicare for Olga Aroniadis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olga Aroniadis reassigns Medicare benefits to 2 organizations: Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY) and Montefiore Medical Center (Bronx, NY). 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 Olga Aroniadis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Olga Aroniadis affiliated with any hospitals?

According to CMS data, Olga Aroniadis is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Olga Aroniadis was last updated on May 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.