Peter V. Kostishak, CRNP
Nurse Practitioner · Hershey, PA
Peter V. Kostishak, CRNP is a nurse practitioner with a practice address in Hershey, Pennsylvania, and NPI 1801372081, issued on Jul 11, 2018. Check the license (Pennsylvania SP019244, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peter V. Kostishak
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- SP019244 PA
RN619948 PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 University Dr, Hershey, PA 17033
- Phone
- (800) 243-1455
- Enumerated
- Jul 11, 2018
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180928000091); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,916 in Pennsylvania → Look up another NPI →
Also registered at 500 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
- Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
- Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
- Andrea Abbe, LDNRegistered Dietitian1366623795
- Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
- Ashraf Abdelhalim, MDAnesthesiology Physician1356931729
Verify Peter V. Kostishak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP019244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
158 Medicare Part D claims for 69 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 15 claims were for opioids.
Most prescribed
- Prednisone26 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter V. Kostishak among 3,916 nurse practitioner records in Pennsylvania
Peter V. Kostishak, CRNP is one of 3,916 nurse practitioner records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 55% of them.
- NPI issued2018 · 55% of these records are older, 39% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2018 among the 2,360 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
227 nurse practitioner records list a practice address in Hershey
They are 227 of the 3,972 NPPES records with a practice address in Hershey, and 3,916 nurse practitioner records in Pennsylvania.
All 3,916 in Pennsylvania → Every provider in Hershey → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Dawn Christensen, CRNPHershey, PA 170331689631152
- Carol Forsyth, CRNPHershey, PA 170331679537500
- Ann Gregoire, CRNPHershey, PA 170331215994256
- Sharilee Hrabovsky, CRNPHershey, PA 170331245297118
- Marjorie Lebo, CRNPHershey, PA 170331194782870
- Jane Lindenmuth, CRNPHershey, PA 170331790742633
- Cathy McNew, CRNPHershey, PA 170331063470961
- Eric Messner, CRNP, PHDHershey, PA 170331205893724
Common questions
What is Peter V. Kostishak, CRNP's NPI number?
Peter V. Kostishak, CRNP's National Provider Identifier (NPI) is 1801372081, issued on Jul 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Peter V. Kostishak, CRNP located?
The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.
How can I verify Peter V. Kostishak, CRNP's license?
NPPES lists Pennsylvania license number SP019244, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Peter V. Kostishak, CRNP prescribe under Medicare Part D?
In 2024, Peter V. Kostishak, CRNP had 158 Medicare Part D claims for 69 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Peter V. Kostishak, CRNP's MIPS final score?
The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.