IndividualActive
Mark Barber
NPI 1558885319 · Peer Specialist · Smithtow3n, NY
Mark Barber is a Peer Specialist provider in Smithtow3n, NY (NPI 1558885319).
Provider details
- NPI number
- 1558885319
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
11 Route 111
Smithtow3n, NY 11787
Phone: (631) 920-8306
Fax: (631) 920-8466
Street-level locationGet directions
Mailing address
11 Route 111
Smithtown, NY 11787-3754
Registry dates
- Enumerated
- 2017-08-02
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mark Barber's NPI number?
- Mark Barber's National Provider Identifier (NPI) is 1558885319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Barber's specialty?
- Mark Barber is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Mark Barber located?
- Mark Barber's practice location on file with NPPES is 11 Route 111, Smithtow3n, NY 11787.
- What is Mark Barber's phone number?
- The practice phone number listed in the NPPES registry for Mark Barber is (631) 920-8306.
- Is Mark Barber's NPI active?
- Yes — Mark Barber's NPI (1558885319) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.