Marshall Harth, PH.D.
NPI 1093886210 · Psychologist · Ridgewood, NJ
Marshall Harth, PH.D. is a Psychologist provider in Ridgewood, NJ (NPI 1093886210).
Provider details
- NPI number
- 1093886210
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35SI00436400 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marshall Harth's NPI number?
- Marshall Harth's National Provider Identifier (NPI) is 1093886210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Harth's specialty?
- Marshall Harth is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Marshall Harth located?
- Marshall Harth's practice location on file with NPPES is 1172 E Ridgewood Ave, Ridgewood, NJ 07450-3936.
- What is Marshall Harth's phone number?
- The practice phone number listed in the NPPES registry for Marshall Harth is (201) 684-0942.
- Is Marshall Harth's NPI active?
- Yes — Marshall Harth's NPI (1093886210) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.