Marc A Wallace, DO - Medicare Diagnostic Radiology in Johnstown, PA

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Marc A Wallace, DO is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Johnstown, Pennsylvania. He graduated from medical school in 1999 and has 26 years of diverse experience with area of expertise as Diagnostic Radiology. His current practice location is 138 Platt Dr, Johnstown, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (412) 478-6416.

Marc A Wallace is licensed to practice in Pennsylvania (license number OS00848L) 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 1841299146.

Contact Information

Marc A Wallace, DO
138 Platt Dr,
Johnstown, PA 15904-4305
(412) 478-6416
(412) 387-5010

Map and Direction




Physician's Profile

Full NameMarc A Wallace
GenderMale
SpecialityDiagnostic Radiology
Experience26 Years
Location138 Platt Dr, Johnstown, 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:
  • Marc A Wallace graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1841299146
  • Provider Enumeration Date: 07/19/2005
  • Last Update Date: 09/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8628082203
  • Enrollment ID: I20060202000868

Medical Identifiers

Medical identifiers for Marc A Wallace such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841299146NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology OS00848L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Atlanticare Regional Medical CenterAtlantic city, NJHospital

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. Marc A Wallace allows following entities to bill medicare on his behalf.
Entity NameSouth Hills Radiology Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265426456
PECOS PAC ID: 2264480383
Enrollment ID: O20050105000853
Entity NameAtlantic Medical Imaging
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396771556
PECOS PAC ID: 0345215141
Enrollment ID: O20211104000214
Entity NameAmi Atlanticare Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275762023
PECOS PAC ID: 7113073263
Enrollment ID: O20211104001679
Entity NameAtlantic Radiologists Professional Association Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841438728
PECOS PAC ID: 3678621620
Enrollment ID: O20211201002766
Entity NamePennsylvania Radiology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184443921
PECOS PAC ID: 4385170810
Enrollment ID: O20241209000092
Entity NameReston Radiology Consultants, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235307034
PECOS PAC ID: 1557436730
Enrollment ID: O20250415001212

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. Marc A Wallace 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
Marc A Wallace, DO
138 Platt Dr,
Johnstown, PA 15904-4305

Ph: (412) 478-6416		Marc A Wallace, DO
138 Platt Dr,
Johnstown, PA 15904-4305

Ph: (412) 478-6416

Reviews and Comments


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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.