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DR. MELISSA BETH WEISS M.D.
NPI 1972998862
Psychiatry & Neurology - Psychiatry in Stony Brook, NY

Active since March 30, 2015PECOS EnrolledAccepts Medicare Assignment
101 NICOLLS RD DEPT OF, STONY BROOK, NY 11794(631) 632-9510 Get Directions Write a Review

NPPES record last updated: November 12, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Melissa Beth Weiss M.d. NPPES

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

DR. MELISSA BETH WEISS M.D. (NPI 1972998862) is an individual psychiatry provider in Stony Brook, New York, licensed in New York (295565) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1972998862
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MELISSA BETH WEISSCredential: M.D.
Location Address101 NICOLLS RD DEPT OFStony Brook, NY 11794-3412
Mailing AddressPo Box 1559Stony Brook, NY 11790-0989
Phone(631) 632-9510
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 30, 2015
Last NPPES UpdateNovember 12, 2019
✔ NPI 1972998862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 295565
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
101 NICOLLS RD DEPT OF, Stony Brook, NY 11794
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc..Insurance ›

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. Melissa Beth Weiss 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 ID6901144666
PECOS Enrollment IDI20190726000379
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

4

Medicare enrollment records show Melissa Weiss reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

South Nassau Communities Hospital
32 mi
Cardiovascular Disease
ONE HEALTHY WAY, ATTN: PHYSICIAN BILLING
Oceanside, NY 11572
  • Reassigned Medicare billing, New York enrollment
  • 22 clinicians in this Medicare group
NPI 1073594800 (516) 255-1616
Mccd Psychiatry Services PLLC
47 mi
Psychiatry
109 W 27TH ST # 5S
New York, NY 10001
  • Reassigned Medicare billing, Florida and New York enrollments
  • 48 clinicians in this Medicare group
NPI 1033750823 (917) 634-5311
Albany Medical College
125 mi
Allergy & Immunology
47 NEW SCOTLAND AVE
Albany, NY 12208
  • Reassigned Medicare billing, New York enrollment
  • 1,640 clinicians in this Medicare group
NPI 1497921688 (518) 262-9600
Mccd Fl Psychiatry Services PA
873 mi
Psychiatry
1301 RIVERPLACE BLVD STE 800
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 247 clinicians in this Medicare group
NPI 1659003457 (833) 351-8255

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330198
LocationOne Healthy WayOceanside, NY 11572 · Nassau 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.

Other Providers at the Same Location NPPES 8

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

PRIYAL SAKHUJA DO
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 444-7411
MRS. KRISTIN FERRARA RN, NNP-BC
Nurse Practitioner (Neonatal)
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 444-2710
YEON JUNG YOO MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (503) 298-9344
ROSHAN T. VARUGHESE PA-C
Physician Assistant (Medical)
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (516) 708-6661
EDMUND WING-LAM LEE
Surgery
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 689-8333
ADAM JOSEPH KOVACOVICH MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 444-3880
YOKE-MUN SUNG MD
Internal Medicine
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 444-8044
MPEPERA SIMANGO-YIADOM
Podiatrist
101 NICOLLS RD DEPT OF
STONY BROOK, NY 11794
Suffolk County (631) 444-2037

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 Melissa Weiss's NPI number?

The NPI number for Melissa Weiss is 1972998862. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Melissa Weiss located?

Melissa Weiss practices at 101 Nicolls Rd Dept Of, Stony Brook, NY 11794. The listed phone number is (631) 632-9510.

What is Melissa Weiss's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Melissa Weiss enrolled in Medicare?

Yes. Melissa 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 Melissa Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Weiss reassigns Medicare benefits to 4 organizations: South Nassau Communities Hospital (Oceanside, NY), Mccd Psychiatry Services PLLC (New York, NY), Albany Medical College (Albany, NY) and Mccd Fl Psychiatry Services PA (Jacksonville, FL). 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 Melissa Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Weiss accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Melissa Weiss 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 Melissa Weiss affiliated with any hospitals?

According to CMS data, Melissa Weiss is affiliated with Mount Sinai South Nassau.

When was this NPI record last updated?

The NPPES record for Melissa Weiss was last updated on November 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.