Rejan C Mccaskill, MD, FACP - Medicare Internal Medicine in Newport Beach, CA

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Rejan C Mccaskill, MD, FACP is a medicare enrolled "Internal Medicine" physician in Newport Beach, California. She went to University Of California, Irvine, California College Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 355 Placentia Ave Ste 208, Newport Beach, California. You can reach out to her office (for appointments etc.) via phone at (949) 791-2000.

Rejan C Mccaskill is licensed to practice in California (license number A78084) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1790852606.

Contact Information

Rejan C Mccaskill, MD, FACP
355 Placentia Ave Ste 208,
Newport Beach, CA 92663-3302
(949) 791-2000
(949) 791-2001

Map and Direction




Physician's Profile

Full NameRejan C Mccaskill
GenderFemale
SpecialityInternal Medicine
Experience25 Years
Location355 Placentia Ave Ste 208, Newport Beach, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Rejan C Mccaskill attended and graduated from University Of California, Irvine, California College Of Medicine in 1999
  NPI Data:
  • NPI Number: 1790852606
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 11/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8729164983
  • Enrollment ID: I20080327000738

Medical Identifiers

Medical identifiers for Rejan C Mccaskill such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790852606NPI-NPPES
CB355668OtherCAMEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A78084 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Companion Home HealthOrange, CAHome health agency
Hoag Memorial Hospital PresbyterianNewport beach, CAHospital

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. Rejan C Mccaskill allows following entities to bill medicare on her behalf.
Entity NameRejan Mccaskill Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376152314
PECOS PAC ID: 7416376561
Enrollment ID: O20200923002269

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. Rejan C Mccaskill 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
Rejan C Mccaskill, MD, FACP
Po Box 1855,
Suisun City, CA 94585-4855

Ph: (657) 241-3600		Rejan C Mccaskill, MD, FACP
355 Placentia Ave Ste 208,
Newport Beach, CA 92663-3302

Ph: (949) 791-2000

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.