Timothy W Warren, DO - Medicare Family Medicine in Hummelstown, PA

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Timothy W Warren, DO is a medicare enrolled "Family Medicine" physician in Hummelstown, Pennsylvania. His current practice location is 300 E Main St, Hummelstown, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (717) 566-1100.

Timothy W Warren is licensed to practice in Pennsylvania (license number OS021581) 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 1902435373.

Contact Information

Timothy W Warren, DO
300 E Main St,
Hummelstown, PA 17036-1725
(717) 566-1100
(717) 566-0600

Map and Direction




Physician's Profile

Full NameTimothy W Warren
GenderMale
SpecialityFamily Medicine
Location300 E Main St, Hummelstown, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1902435373
  • Provider Enumeration Date: 04/07/2020
  • Last Update Date: 04/07/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2365842747
  • Enrollment ID: I20230505002570

Medical Identifiers

Medical identifiers for Timothy W Warren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902435373NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine OS021581 (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. Timothy W Warren allows following entities to bill medicare on his behalf.
Entity NameFamily Practice Center Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154376937
PECOS PAC ID: 0244124212
Enrollment ID: O20040211000012
Entity NamePinnacle Health Medical Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932143427
PECOS PAC ID: 7618960493
Enrollment ID: O20040407000180

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. Timothy W Warren 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
Timothy W Warren, DO
7 Dock Hill Rd,
Middleburg, PA 17842-8910

Ph: (570) 837-2123		Timothy W Warren, DO
300 E Main St,
Hummelstown, PA 17036-1725

Ph: (717) 566-1100

Reviews and Comments


Family Medicine Doctors in Hummelstown, PA

Dr. Dudley R Gordon, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 8105 Adams Dr, Hummelstown, PA 17036
Phone: 717-652-1211    Fax: 717-652-4948
Joseph Franklin Thomas, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 655 Hershey Rd, Hummelstown, PA 17036
Phone: 717-566-3796    
Todd Richard Fisher, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 E Main St, Hummelstown, PA 17036
Phone: 717-566-1100    Fax: 717-566-0600
Sean Patrick Rhoads, PA-C
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 605 E Main St, Hummelstown, PA 17036
Phone: 717-566-1100    Fax: 717-566-0600
Dr. John E Muscalus Jr., DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 655 Hershey Rd, Hummelstown, PA 17036
Phone: 717-566-3796    Fax: 717-566-0576
Dr. Marko Adam Miljkovic, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1440 Deerfield Dr, Hummelstown, PA 17036
Phone: 717-566-6670    

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.