Joseph Kosakoski, D.O.
NPI 1659468627 · Family Medicine Physician · Lancaster, PA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Kosakoski, D.O. is a Family Medicine Physician provider in Lancaster, PA (NPI 1659468627).
Provider details
- NPI number
- 1659468627
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS4628L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-10-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Kosakoski's NPI number?
- Joseph Kosakoski's National Provider Identifier (NPI) is 1659468627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Kosakoski's specialty?
- Joseph Kosakoski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Kosakoski located?
- Joseph Kosakoski's practice location on file with NPPES is 230 Harrisburg Ave, Lancaster, PA 17603-2959.
- What is Joseph Kosakoski's phone number?
- The practice phone number listed in the NPPES registry for Joseph Kosakoski is (717) 509-1931.
- Does Joseph Kosakoski accept Medicare?
- Joseph Kosakoski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Kosakoski's NPI active?
- Yes — Joseph Kosakoski's NPI (1659468627) 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.