Dr James David Maciel, MD, MPH - Medicare General Surgery in Riverside, CA

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Dr James David Maciel, MD, MPH is a medicare enrolled "Surgery" physician in Riverside, California. He went to University Of California, Geffen School Of Medicine and graduated in 2015 and has 10 years of diverse experience with area of expertise as General Surgery. His current practice location is 5430 Arlington Ave, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (951) 689-2955.

Dr James David Maciel is licensed to practice in California (license number A146204) 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 1225412521.

Contact Information

Dr James David Maciel, MD, MPH
5430 Arlington Ave,
Riverside, CA 92504-2505
(951) 689-2955
(951) 717-8758

Map and Direction




Physician's Profile

Full NameDr James David Maciel
GenderMale
SpecialityGeneral Surgery
Experience10 Years
Location5430 Arlington Ave, Riverside, 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:
  • Dr James David Maciel attended and graduated from University Of California, Geffen School Of Medicine in 2015
  NPI Data:
  • NPI Number: 1225412521
  • Provider Enumeration Date: 07/16/2015
  • Last Update Date: 05/15/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5496090680
  • Enrollment ID: I20181217000853

Medical Identifiers

Medical identifiers for Dr James David Maciel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225412521NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery A146204 (California)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. Dr James David Maciel allows following entities to bill medicare on his behalf.
Entity NameBaromedical Physician Associates Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164569463
PECOS PAC ID: 9133031610
Enrollment ID: O20031103000651
Entity NameIzuchukwu Okpara Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679004592
PECOS PAC ID: 1052698966
Enrollment ID: O20170502002135
Entity NameCare360 Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215763164
PECOS PAC ID: 3375075401
Enrollment ID: O20241015000956

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. Dr James David Maciel 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
Dr James David Maciel, MD, MPH
5430 Arlington Ave,
Riverside, CA 92504-2505

Ph: (951) 689-2955		Dr James David Maciel, MD, MPH
5430 Arlington Ave,
Riverside, CA 92504-2505

Ph: (951) 689-2955

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.