Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARY KATHRYN WOLTJEN CNM CRNP RN
NPI 1932185576
Nurse Practitioner in Phila, PA

Active since December 15, 2005
7604 CENTRAL AVE, SUITE 101, PHILA, PA 19111(215) 745-8989(215) 745-9072 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Mary Kathryn Woltjen Cnm Crnp Rn NPPES

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

MARY KATHRYN WOLTJEN CNM CRNP RN (NPI 1932185576) is an individual nurse practitioner in Phila, Pennsylvania, licensed in Pennsylvania (TP004106G) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1932185576
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY KATHRYN WOLTJENCredential: CNM CRNP RN
Location Address7604 CENTRAL AVE, SUITE 101Phila, PA 19111-2433
Mailing Address623 Unruh Ave, 2nd FlPhila, PA 19111-4709 · (215) 214-1094 · Fax (215) 214-1098
Fax(215) 745-9072
Sole ProprietorNo
Enumeration DateDecember 15, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1932185576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in PA · TP004106G
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN279256L (PA)
Also ListedClinical Nurse Specialist · Women's HealthTaxonomy 364SW0102X · License MW008564L (PA)
7604 CENTRAL AVE, Phila, PA 19111

Other Names 1

Other Name (5)Mary Gerner

Other Providers at the Same Location NPPES 17

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

Surgery
7604 CENTRAL AVE
PHILADELPHIA, PA 19111
Orthopaedic Surgery
7604 CENTRAL AVE, SUITE 100
PHILADELPHIA, PA 19111
Urology
7604 CENTRAL AVE, SUITE 104
PHILADELPHIA, PA 19111
Orthopaedic Surgery
7604 CENTRAL AVE, SUITE 100
PHILADELPHIA, PA 19111
Physician Assistant (Medical)
7604 CENTRAL AVE, LOWER LEVEL
PHILADELPHIA, PA 19111
Physical Therapist
7604 CENTRAL AVE, SUITE 100
PHILADELPHIA, PA 19111
Orthopaedic Surgery (Sports Medicine)
7604 CENTRAL AVE
PHILADELPHIA, PA 19111
Nurse Practitioner (Family)
7604 CENTRAL AVE, FRIEND HALL SUITE 101
PHILADELPHIA, PA 19111

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 Mary Woltjen's NPI number?

The NPI number for Mary Woltjen is 1932185576. It was assigned to this individual provider in the NPPES registry on December 15, 2005. The provider is also known as Mary Gerner.

Where is Mary Woltjen located?

Mary Woltjen practices at 7604 Central Ave Suite 101, Phila, PA 19111. The listed phone number is (215) 745-8989.

What is Mary Woltjen's specialty?

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

When was this NPI record last updated?

The NPPES record for Mary Woltjen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.