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AARON R SASSON MD
NPI 1073563953
Surgery - Surgical Oncology in Stony Brook, NY

Active since May 11, 2006PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
HST LEVEL 18 RM 065, STONY BROOK, NY 11794(631) 444-8086(631) 444-7871 Get Directions Write a Review

NPPES record last updated: April 15, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 15, 2022, Nov 25, 2015 (2 updates tracked since 2015).

About Aaron R Sasson Md NPPES

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

AARON R SASSON MD (NPI 1073563953) is an individual surgical oncology provider in Stony Brook, New York, licensed in New York (281708) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1073563953
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameAARON R SASSONCredential: MD
Location AddressHST LEVEL 18 RM 065Stony Brook, NY 11794-8191
Mailing AddressPo Box 1554Stony Brook, NY 11790-0988 · (631) 444-2034
Phone(631) 444-8086
Fax(631) 444-7871
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMay 11, 2006
Last NPPES UpdateApril 15, 20222 updates tracked since enumeration
NPPES CertifiedApril 15, 2022
✔ NPI 1073563953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
Licenses✔ Licensed in NY · 281708✔ Licensed in NE · 21829
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSurgeryTaxonomy 208600000X · License 21829 (NE)
HST LEVEL 18 RM 065, Stony Brook, NY 11794
Open in Google Maps ↗

Other Identifiers 1

Medicaid47078557580NE

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

Aaron R Sasson Md 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 ID7719021427
PECOS Enrollment IDI20151030000378
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 Reassignment

Medicare enrollment records show Aaron Sasson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stony Brook Surgical Associates, University Faculty Practice Corporati
43 mi
Surgery
SUNY @ STONY BROOK, HSC, L19, RM 020
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • 114 clinicians in this Medicare group
NPI 1063468536 (631) 444-8278

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 9

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
101 services30 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
45 services40 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.
45 services35 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
38 services38 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
25 services24 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.
16 services16 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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

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 Aaron Sasson's NPI number?

The NPI number for Aaron Sasson is 1073563953. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Aaron Sasson located?

Aaron Sasson practices at Hst Level 18 Rm 065, Stony Brook, NY 11794. The listed phone number is (631) 444-8086.

What is Aaron Sasson's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Aaron Sasson enrolled in Medicare?

Yes. Aaron Sasson 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 organization bills Medicare for Aaron Sasson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Sasson reassigns Medicare benefits to Stony Brook Surgical Associates, University Faculty Practice Corporati (Stony Brook, NY). The 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 Aaron Sasson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Aaron Sasson affiliated with any hospitals?

According to CMS data, Aaron Sasson is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Sasson was last updated on April 15, 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.