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

SARAH MAMMON MS CGC
NPI 1477415156
Genetic Counselor, MS in Philadelphia, PA

Active since December 01, 2025
840 WALNUT ST STE 1210, PHILADELPHIA, PA 19107(215) 928-3240 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 13, 2026, Dec 1, 2025 (2 updates tracked since 2025).

About Sarah Mammon Ms Cgc NPPES

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

SARAH MAMMON MS CGC (NPI 1477415156) is an individual genetic counselor, ms provider in Philadelphia, Pennsylvania and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1477415156
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameSARAH MAMMONCredential: MS CGC
Location Address840 WALNUT ST STE 1210Philadelphia, PA 19107-5180
Mailing Address100 E Lancaster AveWynnewood, PA 19096-3450
Sole ProprietorNo
Enumeration DateDecember 1, 2025
Last NPPES UpdateOctober 13, 20262 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1477415156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
840 WALNUT ST STE 1210, Philadelphia, PA 19107

Accepted Insurance

Other Providers at the Same Location NPPES 8

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

Optometrist
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Optometrist
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Optometrist
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Pediatrics (Adolescent Medicine)
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1210
PHILADELPHIA, PA 19107

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 Sarah Mammon's NPI number?

The NPI number for Sarah Mammon is 1477415156. It was assigned to this individual provider in the NPPES registry on December 1, 2025.

Where is Sarah Mammon located?

Sarah Mammon practices at 840 Walnut St Ste 1210, Philadelphia, PA 19107. The listed phone number is (215) 928-3240.

What is Sarah Mammon's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

What insurance does Sarah Mammon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Sarah Mammon 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 Sarah Mammon was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.