Tammy Dorff, PSY.D.
NPI 1134179187 · Psychologist · Somerset, NJ
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Dorff, PSY.D. is a Psychologist provider in Somerset, NJ (NPI 1134179187).
Provider details
- NPI number
- 1134179187
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 3950 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2025-09-11
Frequently asked questions
- What is Tammy Dorff's NPI number?
- Tammy Dorff's National Provider Identifier (NPI) is 1134179187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Dorff's specialty?
- Tammy Dorff is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Tammy Dorff located?
- Tammy Dorff's practice location on file with NPPES is 15 Clyde Rd, Somerset, NJ 08873-3490.
- What is Tammy Dorff's phone number?
- The practice phone number listed in the NPPES registry for Tammy Dorff is (732) 777-1494.
- Does Tammy Dorff accept Medicare?
- Tammy Dorff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Dorff's NPI active?
- Yes — Tammy Dorff's NPI (1134179187) 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.