What is Eric Underhill's NPI number?

Eric Underhill's National Provider Identifier (NPI) is 1164398160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Eric Underhill's specialty?

Eric Underhill is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Eric Underhill located?

Eric Underhill's practice location on file with NPPES is 5547 N Ravenswood Ave Ste 305, Chicago, IL 60640-1125.

What is Eric Underhill's phone number?

The practice phone number listed in the NPPES registry for Eric Underhill is (773) 570-2829.

Is Eric Underhill's NPI active?

Yes — Eric Underhill's NPI (1164398160) is active in the NPPES registry as of the last update on 2025-10-15.

IndividualActive

Eric Underhill, LSW

NPI 1164398160 · Social Worker · Chicago, IL

Eric Underhill, LSW is a Social Worker provider in Chicago, IL (NPI 1164398160).

Provider details

NPI number: 1164398160
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LSW
Sex: Male
Sole proprietor: No
License: 150.117209 (IL)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 150.117209 (IL)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

5547 N Ravenswood Ave Ste 305

Chicago, IL 60640-1125

Phone: (773) 570-2829

Street-level locationGet directions

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Mailing address