Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ASA VICCELLIO M.D.
NPI 1659316750
Emergency Medicine in Stony Brook, NY

Q: What is Asa Viccellio's NPI number?

The NPI number for Asa Viccellio is 1659316750. It was assigned to this individual provider in the NPPES registry on June 20, 2006.

Q: What is Asa Viccellio's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Asa Viccellio was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.

Active since June 20, 2006PECOS Enrolled

UNIVERSITY HOSPITAL, L4, STONY BROOK, NY 11794(631) 444-2499 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Asa Viccellio M.d. NPPES

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

DR. ASA VICCELLIO M.D. (NPI 1659316750) is an individual emergency medicine provider in Stony Brook, New York, licensed in New York (137862) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659316750

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. ASA VICCELLIOCredential: M.D.

Location AddressUNIVERSITY HOSPITAL, L4Stony Brook, NY 11794-0001

Mailing AddressPo Box 1559Stony Brook, NY 11790-0989 · (631) 444-2499

Phone(631) 444-2499

Sole ProprietorNo

Enumeration DateJune 20, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1659316750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in NY · 137862

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

UNIVERSITY HOSPITAL, L4, Stony Brook, NY 11794

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Other Identifiers 3

Other4300208NY · Aetna

Medicaid00744490NY

Other06F45NY · Empire Bc.bs

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. Asa Viccellio 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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

173 services170 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

29 services29 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

19 services19 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

15 services15 patients

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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

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.

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. CHRISTOPHER CARLEO M.D.

Emergency Medicine