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DR. JENNIFER L SHASHEK M.D.
NPI 1285689471
Psychiatry & Neurology - Psychiatry in Saint Peters, MO

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
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: February 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 4, 2025, Mar 11, 2019 (2 updates tracked since 2019).

About Dr. Jennifer L Shashek M.d. NPPES

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

DR. JENNIFER L SHASHEK M.D. (NPI 1285689471) is an individual psychiatry provider in Saint Peters, Missouri, licensed in Missouri (2002010266) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2000).

NPPES Registry Identity

NPI1285689471
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JENNIFER L SHASHEKCredential: M.D.
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) 477-6115
Phone(636) 248-6294
Fax(636) 317-1080
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2000
Enumeration DateMay 24, 2006
Last NPPES UpdateFebruary 4, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2025
✔ NPI 1285689471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MO · 2002010266✔ Licensed in IL · 036114757
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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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Providence Health Plan.Insurance ›

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

Dr. Jennifer L Shashek M.d. 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 ID6305840489
PECOS Enrollment IDI20080614000038
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
78 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63303 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
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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 3

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

COASTAL LABORATORIES, MO
Clinical Medical Laboratory
2730 S SAINT PETERS PKWY STE 106
SAINT PETERS, MO 63303
St. Charles County (636) 734-4636
MICHAEL LIPPS LPC
Counselor (Professional)
2730 S SAINT PETERS PKWY STE 106
SAINT PETERS, MO 63303
St. Charles County (314) 780-9360
JENNIFER SHASHEK, M.D., LLC
Psychiatry & Neurology (Psychiatry)
2730 S SAINT PETERS PKWY STE 106
SAINT PETERS, MO 63303
St. Charles County (636) 248-6294

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's NPI number?

The NPI number for Jennifer Shashek is 1285689471. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Jennifer Shashek located?

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

What is Jennifer Shashek's specialty?

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

Is Jennifer Shashek enrolled in Medicare?

Yes. Jennifer Shashek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jennifer Shashek accept?

Health plans from Medica and Providence Health Plan list Jennifer Shashek 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 Jennifer Shashek was last updated on February 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.