Gary Mertz, SLP
NPI 1205906534 · Speech-Language Pathologist · Waynesboro, PA
Gary Mertz, SLP is a Speech-Language Pathologist provider in Waynesboro, PA (NPI 1205906534).
Provider details
- NPI number
- 1205906534
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Male
- Sole proprietor
- No
- License
- 2202004610 (VA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Speech, Language and Hearing Service Providers
Speech, Language and Hearing 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
3 documented practice locations
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
Additional practice locations (2)
- 157 Baltimore StSuite 201Cumberland, MD 21502-2319Phone: (301) 722-3215Fax: (301) 722-1450
- 157 Baltimore StSuite 201Cumberland, MD 21502-2319Phone: (301) 722-3215Fax: (301) 722-1450
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2019-12-04
Frequently asked questions
- What is Gary Mertz's NPI number?
- Gary Mertz's National Provider Identifier (NPI) is 1205906534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Mertz's specialty?
- Gary Mertz is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Gary Mertz located?
- Gary Mertz's practice location on file with NPPES is 120 W Main St, Waynesboro, PA 17268.
- What is Gary Mertz's phone number?
- The practice phone number listed in the NPPES registry for Gary Mertz is (814) 977-8339.
- Is Gary Mertz's NPI active?
- Yes — Gary Mertz's NPI (1205906534) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.