DR. JENNIFER FLACK THELEN PSY.D., LP
NPI 1821221631
Psychologist - Clinical in Fenton, MI

Active since August 26, 2009PECOS EnrolledAccepts Medicare Assignment
127 N RIVER ST, FENTON, MI 48430(810) 309-9355 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2025, Apr 9, 2021 (2 updates tracked since 2021).

About Dr. Jennifer Flack Thelen Psy.d., Lp NPPES

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

DR. JENNIFER FLACK THELEN PSY.D., LP (NPI 1821221631) is an individual clinical provider in Fenton, Michigan, licensed in Michigan (6301013884) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1821221631
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JENNIFER FLACK THELENCredential: PSY.D., LP
Location Address127 N RIVER STFenton, MI 48430-3800
Mailing Address127 N River StFenton, MI 48430-3800 · (810) 309-9355
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateAugust 26, 2009
Last NPPES UpdateMay 15, 20252 updates tracked since enumeration
NPPES CertifiedMay 15, 2025
NPI 1821221631 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 MI · 6301013884
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.
127 N RIVER ST, Fenton, MI 48430

Other Names 1

Former Name (1)Dr. Jennifer Lenore Flack Psyd, Lp

Accepted 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 Flack Thelen Psy.d., Lp 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 ID5799953428
PECOS Enrollment IDI20110722000322
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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
265 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48430 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
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 15

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

Counselor
127 N RIVER ST
FENTON, MI 48430
Psychologist
127 N RIVER ST
FENTON, MI 48430
Psychologist
127 N RIVER ST
FENTON, MI 48430
Social Worker (Clinical)
127 N RIVER ST
FENTON, MI 48430
Counselor
127 N RIVER ST
FENTON, MI 48430
Counselor (Professional)
127 N RIVER ST
FENTON, MI 48430
Counselor
127 N RIVER ST
FENTON, MI 48430
Counselor (Professional)
127 N RIVER ST
FENTON, MI 48430

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 Thelen's NPI number?

The NPI number for Jennifer Thelen is 1821221631. It was assigned to this individual provider in the NPPES registry on August 26, 2009. The provider is also known as Dr. Jennifer Lenore Flack Psyd, LP.

Where is Jennifer Thelen located?

Jennifer Thelen practices at 127 N River St, Fenton, MI 48430. The listed phone number is (810) 309-9355.

What is Jennifer Thelen's specialty?

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

Is Jennifer Thelen enrolled in Medicare?

Yes. Jennifer Thelen 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 Thelen accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community, Oscar Insurance Company and Priority Health and 2 other insurers list Jennifer Thelen 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 Thelen was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.