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DR. SHENNAN AIBEL WEISS M.D., PH.D.
NPI 1033436662
Psychiatry & Neurology - Neurology in Stony Brook, NY

Active since April 21, 2010PECOS EnrolledAccepts Medicare Assignment
100 NICOLLS RD RM 20, STONY BROOK, NY 11794(631) 444-2599 Get Directions Write a Review

NPPES record last updated: May 14, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Shennan Aibel Weiss M.d., Ph.d. NPPES

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

DR. SHENNAN AIBEL WEISS M.D., PH.D. (NPI 1033436662) is an individual neurology provider in Stony Brook, New York, licensed in Pennsylvania (MD457821) and active in the NPI registry since April 2010. He 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 (2010).

NPPES Registry Identity

NPI1033436662
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. SHENNAN AIBEL WEISSCredential: M.D., PH.D.
Location Address100 NICOLLS RD RM 20Stony Brook, NY 11794-5211
Mailing Address909 Walnut St, 2nd FloorPhiladelphia, PA 19107-5211 · (215) 955-1234 · Fax (215) 955-3745
Phone(631) 444-2599
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2010
Enumeration DateApril 21, 2010
Last NPPES UpdateMay 14, 2024
NPPES CertifiedMay 14, 2024
✔ NPI 1033436662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in PA · MD457821
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · EpilepsyTaxonomy 2084E0001X · License 300830-01 (NY)
100 NICOLLS RD RM 20, Stony Brook, NY 11794
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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

Dr. Shennan Aibel Weiss M.d., Ph.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 ID5698997179
PECOS Enrollment IDI20200416002524
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 Shennan Weiss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology Associates Of Stony Brook, University Faculty Practice Corpo
0.5 mi
Neurology
101 NICOLLS RD RM 20
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • 59 clinicians in this Medicare group
NPI 1699720888 (631) 444-2599
Brookdale Hospital Medical Center
47 mi
General Acute Care Hospital
1 BROOKDALE PLZ STE 666
Brooklyn, NY 11212
  • Reassigned Medicare billing, New York enrollment
  • 782 clinicians in this Medicare group
NPI 1720028772 (718) 240-8352

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 6

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.

Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
59 services43 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.
54 services54 patients
Measurement of brain wave activity (eeg), awake and drowsy 95816
Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.
32 services32 patients
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 95718
This procedure, known as a Video EEG (VEEG), records brain wave activity for 2-12 hours. It involves attaching electrodes to your scalp and monitoring brain waves while a video records your actions. This helps health professionals understand and diagnose neurological issues.
23 services23 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.
16 services14 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.
13 services13 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.

Other Providers at the Same Location NPPES

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

DR. HUZEFA DIWAN MD
Student in an Organized Health Care Education/Training Program
100 NICOLLS RD RM 20
STONY BROOK, NY 11794
Suffolk County (631) 444-7411

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 Shennan Weiss's NPI number?

The NPI number for Shennan Weiss is 1033436662. It was assigned to this individual provider in the NPPES registry on April 21, 2010.

Where is Shennan Weiss located?

Shennan Weiss practices at 100 Nicolls Rd Rm 20, Stony Brook, NY 11794. The listed phone number is (631) 444-2599.

What is Shennan Weiss's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Shennan Weiss enrolled in Medicare?

Yes. Shennan Weiss 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 Shennan Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shennan Weiss reassigns Medicare benefits to 2 organizations: Neurology Associates Of Stony Brook, University Faculty Practice Corpo (Stony Brook, NY) and Brookdale Hospital Medical Center (Brooklyn, 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 Shennan Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Shennan Weiss affiliated with any hospitals?

According to CMS data, Shennan Weiss is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Shennan Weiss was last updated on May 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.