What is David Neff's NPI number?

David Neff's National Provider Identifier (NPI) is 1649148370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Neff's specialty?

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

Where is David Neff located?

David Neff's practice location on file with NPPES is 2265 W Broadway St, Idaho Falls, ID 83402-2996.

What is David Neff's phone number?

The practice phone number listed in the NPPES registry for David Neff is (208) 524-7400.

Is David Neff's NPI active?

Yes — David Neff's NPI (1649148370) is active in the NPPES registry as of the last update on 2025-10-24.

IndividualActive

David Neff, LSW

NPI 1649148370 · Social Worker · Idaho Falls, ID

David Neff, LSW is a Social Worker provider in Idaho Falls, ID (NPI 1649148370).

Provider details

NPI number: 1649148370
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LSW
Sex: Male
Sole proprietor: No
License: 7271086 (ID)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 7271086 (ID)
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

2265 W Broadway St

Idaho Falls, ID 83402-2996

Phone: (208) 524-7400

Fax: (208) 524-8004

Street-level locationGet directions

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Mailing address