JENNIFER SHASHEK, M.D., LLC
NPI 1952727174
Psychiatry & Neurology - Psychiatry in Saint Peters, MO

Q: What is Jennifer Shashek, M.D., LLC's NPI number?

The NPI number for Jennifer Shashek, M.D., LLC is 1952727174. It was assigned to this organization in the NPPES registry on March 12, 2014.

Q: What is Jennifer Shashek, M.D., LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since March 12, 2014

2730 S SAINT PETERS PKWY STE 106, SAINT PETERS, MO 63303(636) 248-6294(636) 317-1080 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 4, 2025, Mar 13, 2019 (2 updates tracked since 2019).

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About Jennifer Shashek, M.d., Llc NPPES

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

JENNIFER SHASHEK, M.D., LLC (NPI 1952727174) is a healthcare organization registered as a psychiatry in Saint Peters, Missouri and active in the NPI registry since March 2014. The organization lists Jennifer Lynne Shashek, Owner/manager, as its authorized official.

NPPES Registry Identity

NPI1952727174

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameJENNIFER SHASHEK, M.D., LLC

Location Address2730 S SAINT PETERS PKWY STE 106Saint Peters, MO 63303-5677

Mailing Address2730 S Saint Peters Pkwy Ste 106Saint Peters, MO 63303-5677 · (636) 248-6294 · Fax (636) 317-1080

Phone(636) 248-6294

Fax(636) 317-1080

Organization SubpartNo

Authorized OfficialJennifer Lynne ShashekOwner/manager · (636) 248-6294

Enumeration DateMarch 12, 2014

Last NPPES UpdateMarch 4, 20252 updates tracked since enumeration

NPPES CertifiedMarch 4, 2025

✔ NPI 1952727174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MO · 2002010266

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

2730 S SAINT PETERS PKWY STE 106, Saint Peters, MO 63303

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Shashek, M.d., Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jennifer Shashek, M.D., LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jennifer Shashek, M.D.

Psychiatry

NPI 1285689471

2730 S SAINT PETERS PKWY STE 106
Saint Peters, MO 63303

(636) 248-6294

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jennifer Shashek, M.D., LLC's NPI number?

The NPI number for Jennifer Shashek, M.D., LLC is 1952727174. It was assigned to this organization in the NPPES registry on March 12, 2014.

Where is Jennifer Shashek, M.D., LLC located?

Jennifer Shashek, M.D., LLC is located at 2730 S Saint Peters Pkwy Ste 106, Saint Peters, MO 63303. The listed phone number is (636) 248-6294.

What is Jennifer Shashek, M.D., LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Jennifer Shashek, M.D., LLC enrolled in Medicare?

Yes. Jennifer Shashek, M.D., LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jennifer Shashek, M.D., LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Jennifer Shashek, M.D., LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Shashek, M.D., LLC was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.