Karen Louise Krok, MD - Medicare Gastroenterology in Hershey, PA

Karen Louise Krok, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Hershey, Pennsylvania. She went to Perelman School Of Med At The University Of Pennsylvania and graduated in 2001 and has 23 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice The Milton S Hershey Medical Center Physicians Group and her current practice location is 500 University Dr, Hershey, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (800) 243-1455.

Karen Louise Krok is licensed to practice in Pennsylvania (license number MD422216) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1003983404.

Contact Information

Karen Louise Krok, MD
500 University Dr,
Hershey, PA 17033-2360
(800) 243-1455
(717) 531-0061

Map and Direction




Physician's Profile

Full NameKaren Louise Krok
GenderFemale
SpecialityGastroenterology
Experience23 Years
Location500 University Dr, Hershey, Pennsylvania
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Karen Louise Krok attended and graduated from Perelman School Of Med At The University Of Pennsylvania in 2001
  NPI Data:
  • NPI Number: 1003983404
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 10/17/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 7719057520
  • Enrollment ID: I20080605000682

Medical Identifiers

Medical identifiers for Karen Louise Krok such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003983404NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD422216 (Pennsylvania)Primary
207RI0008XInternal Medicine - Hepatology MD422216 (Pennsylvania)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Milton S Hershey Medical CenterHershey, PAHospital
Gettysburg HospitalGettysburg, PAHospital
Upmc Pinnacle HanoverHanover, PAHospital
Lancaster General HospitalLancaster, PAHospital
Chambersburg HospitalChambersburg, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Milton S Hershey Medical Center Physicians Group38704054831400

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Karen Louise Krok allows following entities to bill medicare on her behalf.
Entity NameHershey Endoscopy Center Llc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1710985445
PECOS PAC ID: 4587560123
Enrollment ID: O20031212000283
Entity NameThe Milton S Hershey Medical Center Physicians Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710951744
PECOS PAC ID: 3870405483
Enrollment ID: O20040225000741

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Karen Louise Krok is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Karen Louise Krok, MD
Po Box 858, Mc A410,
Hershey, PA 17033-0858

Ph: (800) 243-1455
Karen Louise Krok, MD
500 University Dr,
Hershey, PA 17033-2360

Ph: (800) 243-1455

Reviews and Comments


Internal Medicine Doctors in Hershey, PA

Nicole Swallow, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 500 University Dr, H088, Hershey, PA 17033
Phone: 717-531-1692    
James O Ballard, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 500 University Dr, Hershey, PA 17033
Phone: 800-233-4082    
Poonam Na Bai,
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 500 University Dr, Hershey, PA 17033
Phone: 717-531-6585    
Wilbert Hoffman Beachy Iv, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 500 University Dr, Hershey, PA 17033
Phone: 717-531-7300    
Samer Nabil Muallem, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 500 University Dr, Hershey, PA 17033
Phone: 800-243-1455    
Dr. Robert David Aronoff, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 500 University Dr, Hershey, PA 17033
Phone: 800-243-1455    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.