MARY JEAN SHIRK PSYD
NPI 1629698774
Psychologist - Clinical in Philadelphia, PA

Q: What is Mary Shirk's NPI number?

The NPI number for Mary Shirk is 1629698774. It was assigned to this individual provider in the NPPES registry on April 19, 2020.

Q: What is Mary Shirk's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Mary Shirk was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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 19, 2020PECOS EnrolledAccepts Medicare Assignment

3535 MARKET ST STE 1230, PHILADELPHIA, PA 19104(610) 892-3800 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 21, 2025, Sep 14, 2022, Apr 19, 2020 (3 updates tracked since 2020).

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About Mary Jean Shirk Psyd NPPES

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

MARY JEAN SHIRK PSYD (NPI 1629698774) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (PS019648) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Philadelphia, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1629698774

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameMARY JEAN SHIRKCredential: PSYD

Location Address3535 MARKET ST STE 1230Philadelphia, PA 19104-6509

Mailing Address3535 Market St Ste 1230Philadelphia, PA 19104-6509 · (610) 892-3800

Phone(610) 892-3800

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateApril 19, 2020

Last NPPES UpdateMarch 21, 20253 updates tracked since enumeration

NPPES CertifiedMarch 21, 2025

✔ NPI 1629698774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in PA · PS019648

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

3535 MARKET ST STE 1230, Philadelphia, PA 19104

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Secondary Practice Location 1

Location 1255 S 17th StPhiladelphia, PA 19103-6231 · Phone (610) 892-3800

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Jean Shirk Psyd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648648709

PECOS Enrollment IDI20221121001722

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$180.99 typical visit price

range $59.88 – $180.99

Typical copayment $45.24 (range $14.97 – $45.24)

Most-billed visit code 99205

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

GLENN TANNER SHRUM LPC

Counselor (Mental Health)