Mark Decker, M.D.
NPI 1407829070 · Family Medicine Physician · West Chester, PA
Mark Decker, M.D. is a Family Medicine Physician provider in West Chester, PA (NPI 1407829070).
Provider details
- NPI number
- 1407829070
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 127284 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-02-13
- Last updated
- 2018-09-05
Frequently asked questions
- What is Mark Decker's NPI number?
- Mark Decker's National Provider Identifier (NPI) is 1407829070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Decker's specialty?
- Mark Decker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Decker located?
- Mark Decker's practice location on file with NPPES is 4 Sloan Rd., West Chester, PA 19382-4304.
- What is Mark Decker's phone number?
- The practice phone number listed in the NPPES registry for Mark Decker is (860) 871-0220.
- Is Mark Decker's NPI active?
- Yes — Mark Decker's NPI (1407829070) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.