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CHRISTINA GRASSI
NPI 1649452889
Specialist in Mount Sinai, NY

Active since November 29, 2007PECOS EnrolledAccepts Medicare Assignment
701 ROUTE 25A, SUITE B1, MOUNT SINAI, NY 11766(631) 331-4403 Get Directions Write a Review

NPPES record last updated: November 29, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Christina Grassi NPPES

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

CHRISTINA GRASSI (NPI 1649452889) is an individual specialist in Mount Sinai, New York, licensed in New York (304655) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, is affiliated with St Catherine Of Siena Hospital Medical Center, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1649452889
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameCHRISTINA GRASSI
Location Address701 ROUTE 25A, SUITE B1Mount Sinai, NY 11766-2050
Mailing Address701 Route 25a, Suite B1Mount Sinai, NY 11766-2050 · (631) 331-4403
Phone(631) 331-4403
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateNovember 29, 2007
✔ NPI 1649452889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 304655
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
701 ROUTE 25A, Mount Sinai, NY 11766
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Other Names 1

Professional Name (2)Ms. Christina Grassi N.p

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christina Grassi 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 ID9032281910
PECOS Enrollment IDI20080709000601
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.

Hospital Affiliations CMS Care Compare

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

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330401
Location50 Route 25ASmithtown, NY 11787 · Suffolk County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 19

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

NAVPREET KAUR DHUGA DO
Family Medicine
701 ROUTE 25A
MOUNT SINAI, NY 11766
Suffolk County (631) 751-3000
DAVID KAHN D.M.D.
Dentist (General Practice)
701 ROUTE 25A, SUITE A1
MOUNT SINAI, NY 11766
Suffolk County (631) 473-5715
DARA BRENER, M.D., P.C.
Internal Medicine
701 ROUTE 25A, SUITE B1
MOUNT SINAI, NY 11766
Suffolk County (631) 331-4403
DR. RICHARD TED KAHN D.M.D.
Dentist
701 ROUTE 25A, SUITE A1
MOUNT SINAI, NY 11766
Suffolk County (631) 473-5715
DR. ROBERT FRANCIS HLUDZINSKI
Dentist
701 ROUTE 25A, SUITE A
MOUNT SINAI, NY 11766
Suffolk County (631) 473-5715
KAHN,KAHN,KAHN
Dentist (General Practice)
701 ROUTE 25A, SUITE 1A
MOUNT SINAI, NY 11766
Suffolk County (631) 473-5715
WOLF PEDIATRICS, PC
Pediatrics
701 ROUTE 25A, SUITE B3
MOUNT SINAI, NY 11766
Suffolk County (631) 476-7676
DR. MARK DAVID SOLOMON M.D.
Internal Medicine (Nephrology)
701 ROUTE 25A, SUITE B1
MOUNT SINAI, NY 11766
Suffolk County (631) 331-4403

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 Christina Grassi's NPI number?

The NPI number for Christina Grassi is 1649452889. It was assigned to this individual provider in the NPPES registry on November 29, 2007. The provider is also known as Ms. Christina Grassi N.P.

Where is Christina Grassi located?

Christina Grassi practices at 701 Route 25A Suite B1, Mount Sinai, NY 11766. The listed phone number is (631) 331-4403.

What is Christina Grassi's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Christina Grassi enrolled in Medicare?

Yes. Christina Grassi 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.

Is Christina Grassi affiliated with any hospitals?

According to CMS data, Christina Grassi is affiliated with St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Christina Grassi was last updated on November 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.