John Lisiak, D.O.
NPI 1194868091 · Internal Medicine Physician · Clarks Summit, PA
John Lisiak, D.O. is a Internal Medicine Physician provider in Clarks Summit, PA (NPI 1194868091).
Provider details
- NPI number
- 1194868091
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS013862 (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
- 2007-02-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Lisiak's NPI number?
- John Lisiak's National Provider Identifier (NPI) is 1194868091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lisiak's specialty?
- John Lisiak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Lisiak located?
- John Lisiak's practice location on file with NPPES is 611 Morgan Hwy, Clarks Summit, PA 18411-9128.
- What is John Lisiak's phone number?
- The practice phone number listed in the NPPES registry for John Lisiak is (570) 585-6700.
- Is John Lisiak's NPI active?
- Yes — John Lisiak's NPI (1194868091) 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.