IndividualActive
Mark Lyall, PSY.D
NPI 1730595349 · Psychologist · Nutley, NJ
Mark Lyall, PSY.D is a Psychologist provider in Nutley, NJ (NPI 1730595349).
Provider details
- NPI number
- 1730595349
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35SL00514400 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
610 Franklin Ave
Nutley, NJ 07110-1244
Phone: (973) 798-2536
Street-level locationGet directions
Mailing address
610 Franklin Avenue
Nutley, NJ 07110
Registry dates
- Enumerated
- 2014-07-02
- Last updated
- 2014-08-14
Frequently asked questions
- What is Mark Lyall's NPI number?
- Mark Lyall's National Provider Identifier (NPI) is 1730595349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lyall's specialty?
- Mark Lyall is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Lyall located?
- Mark Lyall's practice location on file with NPPES is 610 Franklin Ave, Nutley, NJ 07110-1244.
- What is Mark Lyall's phone number?
- The practice phone number listed in the NPPES registry for Mark Lyall is (973) 798-2536.
- Is Mark Lyall's NPI active?
- Yes — Mark Lyall's NPI (1730595349) is active in the NPPES registry as of the last update on 2014-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.