Mark S Baker, MD - Medicare Pediatrics in Harrisburg, PA

Mark S Baker, MD is a medicare enrolled "Pediatrics" physician in Harrisburg, Pennsylvania. His current practice location is 121 N Nyes Rd, Harrisburg, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (800) 233-4082.

Mark S Baker is licensed to practice in Pennsylvania (license number MD038131E) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1235197450.

Contact Information

Mark S Baker, MD
121 N Nyes Rd,
Harrisburg, PA 17112-3247
(800) 233-4082
Not Available

Map and Direction




Physician's Profile

Full NameMark S Baker
GenderMale
SpecialityPediatrics
Location121 N Nyes Rd, Harrisburg, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1235197450
  • Provider Enumeration Date: 05/04/2006
  • Last Update Date: 09/18/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2466647094
  • Enrollment ID: I20101109001057

Medical Identifiers

Medical identifiers for Mark S Baker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235197450NPI-NPPES
0010813530010MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD038131E (Pennsylvania)Primary

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. Mark S Baker allows following entities to bill medicare on his behalf.
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. Mark S Baker 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
Mark S Baker, MD
Po Box 854, Mc A410,
Hershey, PA 17033-0854

Ph: (800) 233-4082
Mark S Baker, MD
121 N Nyes Rd,
Harrisburg, PA 17112-3247

Ph: (800) 233-4082

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.