MARK OLIVERAS – NPI #1851221527
Marriage & Family Therapist
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
MARK OLIVERAS is a marriage & family therapist (MFT) located in BELLEVILLE, IL. NPPES recently assigned the NPI number 1851221527 to MARK OLIVERAS on May 22, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 106H00000X from the Health Care Provider Taxonomy code set, which is classified as Marriage & Family Therapist.
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NPI Profile for
MARK OLIVERAS
(about 2 weeks ago)
BELLEVILLE, IL 62223-5007 Phone: (888) 277-4028 Fax:
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A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 106H00000X - Marriage & Family Therapist (Primary) |
IL | 166.012230 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.