Gary Mercer, P.T.
NPI 1851388169 · Physical Therapist · Portsmouth, NH
Gary Mercer, P.T. is a Physical Therapist provider in Portsmouth, NH (NPI 1851388169).
Provider details
- NPI number
- 1851388169
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Male
- License
- 1699 (NH)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative 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
- 2005-10-03
- Last updated
- 2007-07-09
Frequently asked questions
- What is Gary Mercer's NPI number?
- Gary Mercer's National Provider Identifier (NPI) is 1851388169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Mercer's specialty?
- Gary Mercer is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gary Mercer located?
- Gary Mercer's practice location on file with NPPES is 95 Brewery Ln, Portsmouth, NH 03801-4994.
- What is Gary Mercer's phone number?
- The practice phone number listed in the NPPES registry for Gary Mercer is (603) 430-3004.
- Is Gary Mercer's NPI active?
- Yes — Gary Mercer's NPI (1851388169) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.