What is Benjamin Olson's NPI number?

Benjamin Olson's National Provider Identifier (NPI) is 1881433126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Benjamin Olson's specialty?

Benjamin Olson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Benjamin Olson located?

Benjamin Olson's practice location on file with NPPES is 120 S Marion St, Oak Park, IL 60302-2809.

What is Benjamin Olson's phone number?

The practice phone number listed in the NPPES registry for Benjamin Olson is (708) 383-7500.

Is Benjamin Olson's NPI active?

Yes — Benjamin Olson's NPI (1881433126) is active in the NPPES registry as of the last update on 2026-03-18.

IndividualActive

Benjamin Olson

NPI 1881433126 · Mental Health Counselor · Oak Park, IL

Benjamin Olson is a Mental Health Counselor provider in Oak Park, IL (NPI 1881433126).

Provider details

NPI number: 1881433126
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: 178.022748 (IL)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 178.022748 (IL)
Behavioral Health & Social Service Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

120 S Marion St

Oak Park, IL 60302-2809

Phone: (708) 383-7500

Street-level locationGet directions

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Mailing address