John S Gregg, MD - Medicare Cardiovascular Disease (cardiology) in Indiana, PA

John S Gregg, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Indiana, Pennsylvania. He went to University Of Pittsburgh School Of Medicine and graduated in 1973 and has 51 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Indiana Healthcare Physician Services Inc and his current practice location is 1265 Wayne Ave Ste 306, Indiana, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (724) 463-9701.

John S Gregg is licensed to practice in Pennsylvania (license number MD018596E) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1760442792.

Contact Information

John S Gregg, MD
1265 Wayne Ave Ste 306,
Indiana, PA 15701-3501
(724) 463-9701
(724) 463-9702

Map and Direction




Physician's Profile

Full NameJohn S Gregg
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience51 Years
Location1265 Wayne Ave Ste 306, Indiana, Pennsylvania
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John S Gregg attended and graduated from University Of Pittsburgh School Of Medicine in 1973
  NPI Data:
  • NPI Number: 1760442792
  • Provider Enumeration Date: 03/24/2006
  • Last Update Date: 03/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8325933682
  • Enrollment ID: I20040217000386

Medical Identifiers

Medical identifiers for John S Gregg such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760442792NPI-NPPES
1016068640001MedicaidPA
113199OtherPAHIGHMARK
3810022432MedicaidWV

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease MD018596E (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Indiana Regional Medical CenterIndiana, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Indiana Healthcare Physician Services Inc5294723359112

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. John S Gregg allows following entities to bill medicare on his behalf.
Entity NameIndiana Ekg Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023181963
PECOS PAC ID: 7012900160
Enrollment ID: O20040406000173
Entity NameIndiana Healthcare Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578523429
PECOS PAC ID: 5294723359
Enrollment ID: O20040927000404

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. John S Gregg 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
John S Gregg, MD
640 Kolter Dr,
Indiana, PA 15701-3570

Ph: (724) 357-7196
John S Gregg, MD
1265 Wayne Ave Ste 306,
Indiana, PA 15701-3501

Ph: (724) 463-9701

Reviews and Comments


Internal Medicine Doctors in Indiana, PA

Jose Bernardo, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 870 Hospital Rd, Indiana, PA 15701
Phone: 724-349-8636    
Gopala Ramineni,
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 850 Hospital Rd, Suite 1300, Indiana, PA 15701
Phone: 724-349-9444    
Shirish A Amin, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1265 Wayne Ave, 119 Professional Center, Suite 301, Indiana, PA 15701
Phone: 724-465-6650    Fax: 724-357-9281
Dr. Ashok Chaddah, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 841 Hospital Rd, Suite 3500, Indiana, PA 15701
Phone: 724-349-8636    Fax: 724-465-1022
Mrs. Ruth B. Woolcock, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 15 S 8th St, Suite 201, Indiana, PA 15701
Phone: 724-349-8311    Fax: 724-349-8331
Choudhury Shadmani, MD
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 835 Hospital Rd, Indiana, PA 15701
Phone: 724-357-7000    
Syed Zulqarnein Husaini, MBBS, MD.
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 835 Hospital Rd, Indiana, PA 15701
Phone: 724-357-7000    

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.