Daniel D Mast, DO - Medicare Internal Medicine in Lancaster, PA

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Daniel D Mast, DO is a medicare enrolled "Internal Medicine" physician in Lancaster, Pennsylvania. His current practice location is 802 New Holland Ave Ste 200, Lancaster, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (717) 299-6371.

Daniel D Mast is licensed to practice in Pennsylvania (license number OS-006313L) 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 1104910140.

Contact Information

Daniel D Mast, DO
802 New Holland Ave Ste 200,
Lancaster, PA 17602-2288
(717) 299-6371
Not Available

Map and Direction




Physician's Profile

Full NameDaniel D Mast
GenderMale
SpecialityInternal Medicine
Location802 New Holland Ave Ste 200, Lancaster, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104910140
  • Provider Enumeration Date: 10/03/2006
  • Last Update Date: 06/04/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7810098506
  • Enrollment ID: I20070725000258

Medical Identifiers

Medical identifiers for Daniel D Mast such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104910140NPI-NPPES
0015871020009MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine C2-0012667 (Delaware)Secondary
207RG0300XInternal Medicine - Geriatric Medicine OS-006313L (Pennsylvania)Secondary
207RG0300XInternal Medicine - Geriatric Medicine C2-0012667 (Delaware)Secondary
207R00000XInternal Medicine OS-006313L (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. Daniel D Mast allows following entities to bill medicare on his behalf.
Entity NameUnion Community Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134458789
PECOS PAC ID: 8123914322
Enrollment ID: O20040608000860
Entity NameLancaster Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801853346
PECOS PAC ID: 0042223802
Enrollment ID: O20081106000329

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. Daniel D Mast 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
Daniel D Mast, DO
105 Herrville Rd,
Willow Street, PA 17584-8908

Ph: (717) 471-4260		Daniel D Mast, DO
802 New Holland Ave Ste 200,
Lancaster, PA 17602-2288

Ph: (717) 299-6371

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.