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

DR. MARC BOYER DIELMAN PH.D.
NPI 1093713844
Psychologist in Sylvania, OH

Active since July 13, 2005PECOS Enrolled
5600 MONROE ST, SUITE 103B, SYLVANIA, OH 43560(419) 885-5952(419) 885-7630 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, Nov 8, 2022 (2 updates tracked since 2022).

About Dr. Marc Boyer Dielman Ph.d. NPPES

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

DR. MARC BOYER DIELMAN PH.D. (NPI 1093713844) is an individual psychologist in Sylvania, Ohio, licensed in Ohio (3996) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1093713844
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARC BOYER DIELMANCredential: PH.D.
Location Address5600 MONROE ST, SUITE 103BSylvania, OH 43560-2731
Mailing Address5600 Monroe St, Suite 103bSylvania, OH 43560-2731 · (419) 885-5952 · Fax (419) 885-7630
Fax(419) 885-7630
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateJuly 13, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedNovember 8, 2022
NPI 1093713844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in OH · 3996
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
5600 MONROE ST, Sylvania, OH 43560

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. Marc Boyer Dielman Ph.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 ID7911192521
PECOS Enrollment IDI20130801000868
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 5

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.

Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
64 services15 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
28 services15 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
16 services16 patients
Evaluation of psychological test, first hour 96130
This procedure involves a professional assessing your mental health using standardized tests. It's the initial hour of a process that helps understand your emotional well-being and cognitive abilities. It's completely non-invasive and confidential.
15 services15 patients
Evaluation of psychological test, each additional hour 96131
This service involves additional hours spent on assessing psychological tests. It helps to understand your mental health better, identifying any potential issues or disorders. It's a crucial step in creating an effective treatment plan.
15 services15 patients

Other Providers at the Same Location NPPES 19

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

Counselor (Mental Health)
5600 MONROE ST, SUITE 103B
SYLVANIA, OH 43560
Optometrist
5600 MONROE ST
SYLVANIA, OH 43560
Counselor (Professional)
5600 MONROE ST, SUITE 103B
SYLVANIA, OH 43560
Psychologist
5600 MONROE ST, STE 201
SYLVANIA, OH 43560
Counselor (Mental Health)
5600 MONROE ST, BLDG A - SUITE 201
SYLVANIA, OH 43560
Massage Therapist
5600 MONROE ST, SUITE A-205
SYLVANIA, OH 43560
Dermatology
5600 MONROE ST, BLDG B, SUITE 106
SYLVANIA, OH 43560
Counselor (Professional)
5600 MONROE ST, SUITE 103B
SYLVANIA, OH 43560

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 Marc Dielman's NPI number?

The NPI number for Marc Dielman is 1093713844. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is Marc Dielman located?

Marc Dielman practices at 5600 Monroe St Suite 103B, Sylvania, OH 43560. The listed phone number is (419) 885-5952.

What is Marc Dielman's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Marc Dielman enrolled in Medicare?

Yes. Marc Dielman 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 Marc Dielman accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and McLaren Health Plan Community and 4 other insurers list Marc Dielman 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 Marc Dielman 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 22 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.