Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1114643822 Individual Practitioner Female Practitioner

Marissa Rae Simon , NP

Nurse Practitioner • New York, NY

Professional Overview & Biography Verified Profile Summary

Marissa Simon, NP is a registered healthcare professional specializing in Nurse Practitioner in New York, NY. Practice services are available at 633 3RD AVE RM 9B under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

633 3rd Ave Rm 9b

New York, NY 100170091

Telephone 8885384185
Associated Practice Facility / Clinic
🏢 Posterity Men's Health, P.c. Facility NPI 1093452161

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in New York, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 13.6 Yrs
Regional Practice Density
442 Specialists

Practicing in New York, NY (3155 Statewide)

Telehealth Adoption Rate
12.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-07-30
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License NY F310799-01

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License PA SP034926

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License TX 1142299

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License VT 101.0139275

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License DE LP-0010943

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License MD R266020

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License DC NP500018563

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License CT 15067

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License NJ 26NJ15066200

(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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
NPI 1023309986

Doctor of Medicine (M.D.)

NPI 1063875490

Doctor of Medicine (M.D.)

Amy Cabrera , AGACNP-BC

Nurse Practitioner - Acute Care

NPI 1275300295

Adult-Gerontology Acute Care Nurse Practitioner (Board Certified)

Caitlin Ellis , PA-C

Physician Assistant

NPI 1396161139

Physician Assistant (Certified)

NPI 1699034546

Doctor of Medicine (M.D.)

Jessica Boone , PA-C

Physician Assistant

NPI 1710224746

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Business Mailing Address July 30, 2026

Registered at 6400 S FIDDLERS GREEN CIR STE 300, GREENWOOD VILLAGE, CO 801114955 (Tel: 8885384185)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 30, 2026

Nurse Practitioner (License #15067 in CT)

📍
Updated Practice Location October 24, 2025

Registered at 633 3RD AVE RM 9B, NEW YORK, NY 100170091 (Tel: 7206664739)

📍
Updated Business Mailing Address October 24, 2025

Registered at 9110 E NICHOLS AVE STE 150, CENTENNIAL, CO 801123450 (Tel: 7206664739)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 24, 2025

Nurse Practitioner (License #NP500018563 in DC)

NPI Profile Active October 13, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location October 13, 2022

Registered at 530 E 74TH ST, NEW YORK, NY 100213459 (Tel: 2126392000)

📍
Updated Business Mailing Address October 13, 2022

Registered at 530 E 74TH ST, NEW YORK, NY 100213459

👤
Provider Name / Credentials Updated October 13, 2022

Recorded as MARISSA SIMON, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 13, 2022

Nurse Practitioner (License #F30799-01 in NY)

🟢
Initial NPI Registration & Enumeration October 13, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1114643822
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 13, 2022
Last Update: July 30, 2026
Sole Proprietor: No

Mailing Address

6400 S Fiddlers Green Cir Ste 300

Greenwood Village, CO 801114955

Phone: 8885384185

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.