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MARY LOU POMPEII
NPI 1639986706
Dietitian, Registered in New York, NY

Active since December 12, 2024
222 E 41ST ST FL 19, NEW YORK, NY 10017(845) 807-6687 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 11, 2025, Dec 12, 2024 (2 updates tracked since 2024).

About Mary Lou Pompeii NPPES

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

MARY LOU POMPEII (NPI 1639986706) is an individual dietitian, registered in New York, New York, licensed in New York (003308) and active in the NPI registry since December 2024.

NPPES Registry Identity

NPI1639986706
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMARY LOU POMPEII
Location Address222 E 41ST ST FL 19New York, NY 10017-6739
Mailing Address700 Hicksville Rd Ste 205Bethpage, NY 11714-3472
Phone(845) 807-6687
Sole ProprietorYes
Enumeration DateDecember 12, 2024
Last NPPES UpdateApril 11, 20252 updates tracked since enumeration
NPPES CertifiedApril 11, 2025
✔ NPI 1639986706 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 · 003308
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.
222 E 41ST ST FL 19, New York, NY 10017
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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 (PECOS)

Mary Lou Pompeii is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Mary Lou Pompeii reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University
1,039 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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

Other Providers at the Same Location NPPES 2

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

DR. NINA LANGSAM BLACHMAN M.D.
Hospitalist
222 E 41ST ST FL 19
NEW YORK, NY 10017
New York County (212) 263-8313
DR. ERIC PHIN COHEN MD
Internal Medicine (Nephrology)
222 E 41ST ST FL 19
NEW YORK, NY 10017
New York County (212) 263-0705

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 Mary Lou Pompeii's NPI number?

The NPI number for Mary Lou Pompeii is 1639986706. It was assigned to this individual provider in the NPPES registry on December 12, 2024.

Where is Mary Lou Pompeii located?

Mary Lou Pompeii practices at 222 E 41st St Fl 19, New York, NY 10017. The listed phone number is (845) 807-6687.

What is Mary Lou Pompeii's specialty?

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

Is Mary Lou Pompeii enrolled in Medicare?

Yes. Mary Lou Pompeii is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Lou Pompeii's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lou Pompeii reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Mary Lou Pompeii'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 Mary Lou Pompeii was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.