Gregory Allen Johnson, MD - Medicare Internal Medicine in Piedmont, SC

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Gregory Allen Johnson, MD is a medicare enrolled "Internal Medicine" physician in Piedmont, South Carolina. He went to Medical University Of South Carolina College Of Medicine and graduated in 2004 and has 22 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Prisma Health University Medical Group and his current practice location is 1115 Wren School Rd, Piedmont, South Carolina. You can reach out to his office (for appointments etc.) via phone at (864) 859-0740.

Gregory Allen Johnson is licensed to practice in South Carolina (license number 27071) 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 1205936556.

Contact Information

Gregory Allen Johnson, MD
1115 Wren School Rd,
Piedmont, SC 29673-8033
(864) 859-0740
Not Available

Map and Direction




Physician's Profile

Full NameGregory Allen Johnson
GenderMale
SpecialityInternal Medicine
Experience22 Years
Location1115 Wren School Rd, Piedmont, South Carolina
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:
  • Gregory Allen Johnson attended and graduated from Medical University Of South Carolina College Of Medicine in 2004
  NPI Data:
  • NPI Number: 1205936556
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 03/23/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7214003581
  • Enrollment ID: I20080910000425

Medical Identifiers

Medical identifiers for Gregory Allen Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205936556NPI-NPPES
P01012806OtherSCRAILROAD MEDICARE
270717MedicaidSC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 27071 (South Carolina)Secondary
207R00000XInternal Medicine 27071 (South Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Prisma Health Home Health-upstateGreenville, SCHome health agency
Prisma Health Greenville Memorial HospitalGreenville, SCHospital
Anmed HealthAnderson, SCHospital
Prisma Health Baptist Easley HospitalEasley, SCHospital
Prisma Health Patewood HospitalGreenville, SCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Prisma Health University Medical Group83259509832450

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. Gregory Allen Johnson allows following entities to bill medicare on his behalf.
Entity NamePrisma Health University Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295763217
PECOS PAC ID: 8325950983
Enrollment ID: O20031103000238

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. Gregory Allen Johnson 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
Gregory Allen Johnson, MD
300 E Mcbee Ave Fl 4,
Greenville, SC 29601-2842

Ph: (864) 522-8603		Gregory Allen Johnson, MD
1115 Wren School Rd,
Piedmont, SC 29673-8033

Ph: (864) 859-0740

Reviews and Comments


Internal Medicine Doctors in Piedmont, SC

Dr. Clay Martin Crosby, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1115 Wren School Rd, Piedmont, SC 29673
Phone: 864-859-0740    Fax: 864-859-9008

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.