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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARISSA RAE SIMON NP
NPI 1114643822
Nurse Practitioner in New York, NY

Active since October 13, 2022
633 3RD AVE RM 9B, NEW YORK, NY 10017(888) 538-4185 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 30, 2026, Oct 13, 2022 (2 updates tracked since 2022).

About Marissa Rae Simon Np NPPES

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

MARISSA RAE SIMON NP (NPI 1114643822) is an individual nurse practitioner in New York, New York, licensed in New York (F310799-01) and active in the NPI registry since October 2022.

NPPES Registry Identity

NPI1114643822
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARISSA RAE SIMONCredential: NP
Location Address633 3RD AVE RM 9BNew York, NY 10017-0091
Mailing Address6400 S Fiddlers Green Cir Ste 300Greenwood Village, CO 80111-4955 · (888) 538-4185
Phone(888) 538-4185
Sole ProprietorNo
Enumeration DateOctober 13, 2022
Last NPPES UpdateJuly 30, 20262 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1114643822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in NY · F310799-01✔ Licensed in CT · 15067✔ Licensed in PA · SP034926✔ Licensed in TX · 1142299✔ Licensed in VT · 101.0139275✔ Licensed in DE · LP-0010943✔ Licensed in MD · R266020✔ Licensed in DC · NP500018563✔ Licensed in NJ · 26NJ15066200
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
633 3RD AVE RM 9B, New York, NY 10017
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc..Insurance ›

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 Marissa Simon's NPI number?

The NPI number for Marissa Simon is 1114643822. It was assigned to this individual provider in the NPPES registry on October 13, 2022.

Where is Marissa Simon located?

Marissa Simon practices at 633 3rd Ave Rm 9B, New York, NY 10017. The listed phone number is (888) 538-4185.

What is Marissa Simon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

What insurance does Marissa Simon accept?

Health plans from Blue Cross and Blue Shield of Texas and Moda Health Plan, Inc. list Marissa Simon 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.

When was this NPI record last updated?

The NPPES record for Marissa Simon was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.