What is Neil O'Connor's NPI number?

Neil O'Connor's National Provider Identifier (NPI) is 1558337535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Neil O'Connor's specialty?

Neil O'Connor is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Neil O'Connor located?

Neil O'Connor's practice location on file with NPPES is 706 Williamson St, Madison, WI 53703-4615.

What is Neil O'Connor's phone number?

The practice phone number listed in the NPPES registry for Neil O'Connor is (608) 264-5342.

Is Neil O'Connor's NPI active?

Yes — Neil O'Connor's NPI (1558337535) is active in the NPPES registry as of the last update on 2010-02-12.

IndividualActive

Neil O'Connor, ACSW, LCSW

NPI 1558337535 · Clinical Social Worker · Madison, WI

Neil O'Connor, ACSW, LCSW is a Clinical Social Worker provider in Madison, WI (NPI 1558337535).

Provider details

NPI number: 1558337535
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: ACSW, LCSW
Sex: Male
Sole proprietor: No
License: 1348-123 (WI)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 1348-123 (WI)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

706 Williamson St

Madison Vet Center Suite 4

Madison, WI 53703-4615

Phone: (608) 264-5342

Fax: (608) 264-5344

Street-level locationGet directions

More WI providers

Mailing address

2786 Northwynde Psge

Sun Prairie, WI 53590-9122

Enumerated: 2006-02-28
Last updated: 2010-02-12

Frequently asked questions

What is Neil O'Connor's NPI number?: Neil O'Connor's National Provider Identifier (NPI) is 1558337535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Neil O'Connor's specialty?: Neil O'Connor is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Neil O'Connor located?: Neil O'Connor's practice location on file with NPPES is 706 Williamson St, Madison, WI 53703-4615.
What is Neil O'Connor's phone number?: The practice phone number listed in the NPPES registry for Neil O'Connor is (608) 264-5342.
Is Neil O'Connor's NPI active?: Yes — Neil O'Connor's NPI (1558337535) is active in the NPPES registry as of the last update on 2010-02-12.

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