Roger E Der, MD - Medicare Pathology in Valencia, CA

Roger E Der, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Valencia, California. He went to University Of Southern California Keck School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Pathology Associates Of Arcadia and his current practice location is 23845 Mcbean Pkwy, Valencia, California. You can reach out to his office (for appointments etc.) via phone at (661) 253-8504.

Roger E Der is licensed to practice in California (license number A65753) 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 1558355156.

Contact Information

Roger E Der, MD
23845 Mcbean Pkwy,
Valencia, CA 91355-2001
(661) 253-8504
(661) 253-8647

Map and Direction




Physician's Profile

Full NameRoger E Der
GenderMale
SpecialityPathology
Experience28 Years
Location23845 Mcbean Pkwy, Valencia, California
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:
  • Roger E Der attended and graduated from University Of Southern California Keck School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1558355156
  • Provider Enumeration Date: 09/09/2005
  • Last Update Date: 05/10/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9638172091
  • Enrollment ID: I20060824000535

Medical Identifiers

Medical identifiers for Roger E Der such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558355156NPI-NPPES
00A657530MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology A65753 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist Hospital Of Southern CaArcadia, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pathology Associates Of Arcadia19515583453

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. Roger E Der allows following entities to bill medicare on his behalf.
Entity NamePathology Associates Of Arcadia
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659633493
PECOS PAC ID: 1951558345
Enrollment ID: O20120820000605

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. Roger E Der 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
Roger E Der, MD
Po Box 2311,
Chatsworth, CA 91313-2311

Ph: (818) 718-9500
Roger E Der, MD
23845 Mcbean Pkwy,
Valencia, CA 91355-2001

Ph: (661) 253-8504

Reviews and Comments


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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.

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