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

GRETCHEN KATHLEEN HERMANN
NPI 1407352933
Radiology - Radiation Oncology in Philadelphia, PA

Q: What is Gretchen Hermann's NPI number?

The NPI number for Gretchen Hermann is 1407352933. It was assigned to this individual provider in the NPPES registry on April 3, 2018.

Q: What is Gretchen Hermann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Gretchen Hermann was last updated on September 2, 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.

Active since April 03, 2018

713 WALNUT ST APT 2F, PHILADELPHIA, PA 19106(716) 207-7061 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

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About Gretchen Kathleen Hermann NPPES

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

GRETCHEN KATHLEEN HERMANN (NPI 1407352933) is an individual radiation oncology provider in Philadelphia, Pennsylvania, licensed in Illinois (036180043) and active in the NPI registry since April 2018. She maintains a secondary practice location in Maywood.

NPPES Registry Identity

NPI1407352933

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameGRETCHEN KATHLEEN HERMANN

Location Address713 WALNUT ST APT 2FPhiladelphia, PA 19106-3247

Mailing Address713 Walnut St Apt 2fPhiladelphia, PA 19106-3247 · (716) 207-7061

Phone(716) 207-7061

Sole ProprietorNo

Enumeration DateApril 3, 2018

Last NPPES UpdateSeptember 2, 2026

NPPES CertifiedSeptember 2, 2026

✔ NPI 1407352933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in IL · 036180043

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

713 WALNUT ST APT 2F, Philadelphia, PA 19106

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Secondary Practice Location 1

Location 12160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000

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 Gretchen Hermann's NPI number?

The NPI number for Gretchen Hermann is 1407352933. It was assigned to this individual provider in the NPPES registry on April 3, 2018.

Where is Gretchen Hermann located?

Gretchen Hermann practices at 713 Walnut St Apt 2F, Philadelphia, PA 19106. The listed phone number is (716) 207-7061.

What is Gretchen Hermann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Gretchen Hermann was last updated on September 2, 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.