John Masak
NPI 1265866941 · Registered Respiratory Therapist · Largo, FL
John Masak is a Registered Respiratory Therapist provider in Largo, FL (NPI 1265866941).
Provider details
- NPI number
- 1265866941
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- RT12732 (FL)
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
12 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
- 2013-08-29
- Last updated
- 2013-08-29
Frequently asked questions
- What is John Masak's NPI number?
- John Masak's National Provider Identifier (NPI) is 1265866941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Masak's specialty?
- John Masak is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Masak located?
- John Masak's practice location on file with NPPES is 221 Lake Ave Ne, Largo, FL 33771-1660.
- What is John Masak's phone number?
- The practice phone number listed in the NPPES registry for John Masak is (706) 664-8950.
- Is John Masak's NPI active?
- Yes — John Masak's NPI (1265866941) is active in the NPPES registry as of the last update on 2013-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.