LYNN ANN MCDERMOTT R.D.
NPI 1841635844
Dietitian, Registered in Seaford, NY

Active since May 03, 2013Accepts Medicare Assignment
850 HICKSVILLE RD, SUITE 104, SEAFORD, NY 11783(516) 799-6491(516) 735-3024 Get Directions Write a Review

NPPES record last updated: May 3, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lynn Ann Mcdermott R.d. NPPES

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

LYNN ANN MCDERMOTT R.D. (NPI 1841635844) is an individual dietitian, registered in Seaford, New York, licensed in New York (000915) and active in the NPI registry since May 2013. She is a graduate of Other (1993).

NPPES Registry Identity

NPI1841635844
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameLYNN ANN MCDERMOTTCredential: R.D.
Location Address850 HICKSVILLE RD, SUITE 104Seaford, NY 11783-1300
Mailing Address850 Hicksville Rd, Suite 104Seaford, NY 11783-1300 · (516) 799-6491 · Fax (516) 735-3024
Fax(516) 735-3024
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMay 3, 2013
✔ NPI 1841635844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in NY · 000915
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
850 HICKSVILLE RD, Seaford, NY 11783

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

Lynn Ann Mcdermott R.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 ID5193615425
PECOS Enrollment IDI20040318001364

Medicare Billing Reassignments

2

Medicare enrollment records show Lynn Mcdermott reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physician Assistant
888 OLD COUNTRY RD
Plainview, NY 11803
  • Reassigned Medicare billing, New York enrollment
  • 27 clinicians in this Medicare group
Cardiovascular Disease
972 BRUSH HOLLOW RD, 5TH FLOOR FINANCE ATTN: WILLIAM J. FUCHS
Westbury, NY 11590
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Northwell Healthcare Inc
  • 211 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11783 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
$0.00 typical visit price
range $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
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.

Nurse Practitioner (Adult Health)
850 HICKSVILLE RD, SUITE 104
SEAFORD, NY 11783
Family Medicine
850 HICKSVILLE RD, SUITE 110
SEAFORD, NY 11783
Dietitian, Registered
850 HICKSVILLE RD, SUITE 104
SEAFORD, NY 11783
Internal Medicine (Cardiovascular Disease)
850 HICKSVILLE RD
SEAFORD, NY 11783
Nurse Practitioner
850 HICKSVILLE RD, SUITE 104
SEAFORD, NY 11783
Dietitian, Registered
850 HICKSVILLE RD, SUITE 104
SEAFORD, NY 11783
Internal Medicine
850 HICKSVILLE RD, SUITE 110
SEAFORD, NY 11783
Internal Medicine (Cardiovascular Disease)
850 HICKSVILLE RD, SUITE 104
SEAFORD, NY 11783

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 Lynn Mcdermott's NPI number?

The NPI number for Lynn Mcdermott is 1841635844. It was assigned to this individual provider in the NPPES registry on May 3, 2013.

Where is Lynn Mcdermott located?

Lynn Mcdermott practices at 850 Hicksville Rd Suite 104, Seaford, NY 11783. The listed phone number is (516) 799-6491.

What is Lynn Mcdermott's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Lynn Mcdermott enrolled in Medicare?

Yes. Lynn Mcdermott 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 Lynn Mcdermott's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Mcdermott reassigns Medicare benefits to 2 organizations: Plainview Faculty Medical Affiliates, University Faculty Prac (Plainview, NY) and North Shore Long Island Jewish Healthcare (Westbury, 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 Lynn Mcdermott's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lynn Mcdermott was last updated on May 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.