Justin Daniel Hark, DO
Emergency Medicine Physician · Lewistown, PA
Justin Daniel Hark, DO is an emergency medicine physician with a practice address in Lewistown, Pennsylvania, and NPI 1649809559, issued on Apr 2, 2020. Check the license (Pennsylvania OS022827, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Justin Daniel Hark
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS022827 PA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Highland Ave, Lewistown, PA 17044
- Phone
- (717) 242-7180
- Enumerated
- Apr 2, 2020
- Record last updated
- Aug 8, 2023
- Fax
- (717) 242-7299
- Medicare enrollment
- Enrolled (PECOS I20230706000524); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 400 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Daniel Hark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS022827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average emergency medicine physician in 2024
231 Medicare Part D claims for 163 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 30 claims were for opioids.
Most prescribed
- Oxycodone Hcl28 claims
- Ondansetron Hcl25 claims
- Prednisone22 claims
- Cephalexin11 claims
- Famotidine11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Geisinger ClinicLewistown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Daniel Hark among 3,911 emergency medicine physician records in Pennsylvania
Justin Daniel Hark, DO is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2013 among the 2,231 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 emergency medicine physician records list a practice address in Lewistown
They are 16 of the 497 NPPES records with a practice address in Lewistown, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Lewistown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Edward Bzik, MDLewistown, PA 170441639114481
- Bridget Flickinger, M.D.Lewistown, PA 170441366559247
- Theodore Hetrick, MDLewistown, PA 170441619904497
- Deborah Hopkins, MDLewistown, PA 170441073540852
- Ivana Marji, MDLewistown, PA 170441770074718
- Michael Moore, MDLewistown, PA 170441013412857
- Robert Oelhaf, MDLewistown, PA 170441285687525
- Rachel Polinski, MDLewistown, PA 170441255835161
Common questions
What is Justin Daniel Hark, DO's NPI number?
Justin Daniel Hark, DO's National Provider Identifier (NPI) is 1649809559, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Justin Daniel Hark, DO located?
The NPPES record lists a practice address at 400 Highland Ave, Lewistown, PA, 17044. Phone: (717) 242-7180. Providers update this record themselves, so call before visiting.
How can I verify Justin Daniel Hark, DO's license?
NPPES lists Pennsylvania license number OS022827, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Daniel Hark, DO prescribe under Medicare Part D?
In 2024, Justin Daniel Hark, DO had 231 Medicare Part D claims for 163 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.