What is Jennifer Costello's NPI number?

Jennifer Costello's National Provider Identifier (NPI) is 1659798205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jennifer Costello's specialty?

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

Where is Jennifer Costello located?

Jennifer Costello's practice location on file with NPPES is 6601 North Ave, Oak Park, IL 60302.

What is Jennifer Costello's phone number?

The practice phone number listed in the NPPES registry for Jennifer Costello is (708) 831-2122.

Is Jennifer Costello's NPI active?

Yes — Jennifer Costello's NPI (1659798205) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Jennifer Costello, LCSW, RD

NPI 1659798205 · Clinical Social Worker · Oak Park, IL

Jennifer Costello, LCSW, RD is a Clinical Social Worker provider in Oak Park, IL (NPI 1659798205).

Provider details

NPI number: 1659798205
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW, RD
Sex: Female
Sole proprietor: Yes
License: L6842 (OR)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 149020773 (IL)
Behavioral Health & Social Service Providers
Clinical Social Worker1041C0700XLicense L6842 (OR)
Behavioral Health & Social Service Providers
Clinical Social Worker1041C0700XLicense CW018565 (PA)
Behavioral Health & Social Service Providers
Registered Dietitian133V00000XLicense LDD10176233 (OR)
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(80/100 index)

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

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

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

6601 North Ave

Oak Park, IL 60302

Phone: (708) 831-2122

Street-level locationGet directions

More IL providers

Mailing address

6601 North Ave

Oak Park, IL 60302-1005

Additional practice locations (1)

1235 Se Morrison St
Portland, OR 97214-2462
Phone: (503) 376-7114

Enumerated: 2014-03-20
Last updated: 2022-07-21

Frequently asked questions

What is Jennifer Costello's NPI number?: Jennifer Costello's National Provider Identifier (NPI) is 1659798205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jennifer Costello's specialty?: Jennifer Costello is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Jennifer Costello located?: Jennifer Costello's practice location on file with NPPES is 6601 North Ave, Oak Park, IL 60302.
What is Jennifer Costello's phone number?: The practice phone number listed in the NPPES registry for Jennifer Costello is (708) 831-2122.
Is Jennifer Costello's NPI active?: Yes — Jennifer Costello's NPI (1659798205) is active in the NPPES registry as of the last update on 2022-07-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.