What is Clifford Smith's NPI number?

Clifford Smith's National Provider Identifier (NPI) is 1790801744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clifford Smith's specialty?

Clifford Smith is listed in the NPPES registry with a primary specialty of Group Psychotherapy Psychologist (Behavioral Health & Social Service Providers).

Where is Clifford Smith located?

Clifford Smith's practice location on file with NPPES is 3608 Lancaster Pike, Wilmington, DE 19805-1509.

What is Clifford Smith's phone number?

The practice phone number listed in the NPPES registry for Clifford Smith is (302) 995-9600.

Is Clifford Smith's NPI active?

Yes — Clifford Smith's NPI (1790801744) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Clifford Smith, PH.D.

NPI 1790801744 · Group Psychotherapy Psychologist · Wilmington, DE

Clifford Smith, PH.D. is a Group Psychotherapy Psychologist provider in Wilmington, DE (NPI 1790801744).

Provider details

NPI number: 1790801744
Entity type: Individual
Primary specialty: Group Psychotherapy PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: Yes
License: B10000101 (PA)

Practice location

3608 Lancaster Pike

Wilmington, DE 19805-1509

Phone: (302) 995-9600

Fax: (302) 995-9571

Street-level locationGet directions

More DE providers

Mailing address

3608 Lancaster Pike

Wilmington, DE 19805-1509

Specialties & taxonomies

Group Psychotherapy PsychologistPrimary103TP2701XLicense B10000101 (PA)
Behavioral Health & Social Service Providers
Clinical Psychologist103TC0700XLicense B10000101 (PA)
Behavioral Health & Social Service Providers
Psychologist103T00000XLicense B10000101 (PA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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.

Enumerated: 2007-03-21
Last updated: 2025-09-11

Frequently asked questions

What is Clifford Smith's NPI number?: Clifford Smith's National Provider Identifier (NPI) is 1790801744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Clifford Smith's specialty?: Clifford Smith is listed in the NPPES registry with a primary specialty of Group Psychotherapy Psychologist (Behavioral Health & Social Service Providers).
Where is Clifford Smith located?: Clifford Smith's practice location on file with NPPES is 3608 Lancaster Pike, Wilmington, DE 19805-1509.
What is Clifford Smith's phone number?: The practice phone number listed in the NPPES registry for Clifford Smith is (302) 995-9600.
Is Clifford Smith's NPI active?: Yes — Clifford Smith's NPI (1790801744) is active in the NPPES registry as of the last update on 2025-09-11.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions