James Allen Nelson, MD - Medicare Emergency Medicine in San Diego, CA

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James Allen Nelson, MD is a medicare enrolled "Emergency Medicine" physician in San Diego, California. He graduated from medical school in 2002 and has 24 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Cep America - California and his current practice location is 200 W Arbor Dr, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (800) 926-8273.

James Allen Nelson is licensed to practice in California (license number A84468) 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 1336155605.

Contact Information

James Allen Nelson, MD
200 W Arbor Dr,
San Diego, CA 92103-9000
(800) 926-8273
Not Available

Map and Direction




Physician's Profile

Full NameJames Allen Nelson
GenderMale
SpecialityEmergency Medicine
Experience24 Years
Location200 W Arbor Dr, San Diego, 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:
  • James Allen Nelson graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1336155605
  • Provider Enumeration Date: 07/31/2006
  • Last Update Date: 09/09/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0648288803
  • Enrollment ID: I20060329000480

Medical Identifiers

Medical identifiers for James Allen Nelson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336155605NPI-NPPES
00A844680MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A84468 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Pioneers Memorial Healthcare DistrictBrawley, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - California61037391311278

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. James Allen Nelson allows following entities to bill medicare on his behalf.
Entity NameRegents of the University of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780870899
PECOS PAC ID: 6406760131
Enrollment ID: O20031117000940
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548667843
PECOS PAC ID: 6103739131
Enrollment ID: O20040121000458

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. James Allen Nelson 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
James Allen Nelson, MD
File 57326, Los Angeles,
Los Angeles, CA 90074-7326

Ph: (800) 926-8273		James Allen Nelson, MD
200 W Arbor Dr,
San Diego, CA 92103-9000

Ph: (800) 926-8273

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.