IndividualActive
Mark Kostow, DC
NPI 1437229416 · Chiropractor · Hershey, PA
Mark Kostow, DC is a Chiropractor provider in Hershey, PA (NPI 1437229416).
Provider details
- NPI number
- 1437229416
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC005335L (PA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(90/100 index)
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
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
1 Briarcrest Square
Hershey, PA 17033
Phone: (717) 533-2100
Fax: (717) 533-5190
Street-level locationGet directions
Mailing address
1 Briarcrest Square
Hershey, PA 17033-2359
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Kostow's NPI number?
- Mark Kostow's National Provider Identifier (NPI) is 1437229416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kostow's specialty?
- Mark Kostow is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Mark Kostow located?
- Mark Kostow's practice location on file with NPPES is 1 Briarcrest Square, Hershey, PA 17033.
- What is Mark Kostow's phone number?
- The practice phone number listed in the NPPES registry for Mark Kostow is (717) 533-2100.
- Is Mark Kostow's NPI active?
- Yes — Mark Kostow's NPI (1437229416) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.