Dr John W Adamson, MD - Medicare Hematology/oncology in San Diego, CA

Dr John W Adamson, MD is a medicare enrolled "Internal Medicine - Hematology" physician in San Diego, California. He went to University Of California, Geffen School Of Medicine and graduated in 1962 and has 62 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Regents Of The University Of California and his current practice location is 8929 University Center Ln, Suite 201, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (858) 405-2272.

Dr John W Adamson is licensed to practice in California (license number A20742) 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 1477504801.

Contact Information

Dr John W Adamson, MD
8929 University Center Ln, Suite 201,
San Diego, CA 92122-1006
(858) 405-2272
(858) 550-9032

Map and Direction




Physician's Profile

Full NameDr John W Adamson
GenderMale
SpecialityHematology/oncology
Experience62 Years
Location8929 University Center Ln, 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:
  • Dr John W Adamson attended and graduated from University Of California, Geffen School Of Medicine in 1962
  NPI Data:
  • NPI Number: 1477504801
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 06/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7214024744
  • Enrollment ID: I20071031000405

Medical Identifiers

Medical identifiers for Dr John W Adamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477504801NPI-NPPES
007000215TOtherHUMANA
32601800MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology A20742 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Uc San Diego Health Hillcrest - Hillcrest Med CtrSan diego, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The University Of California35774767611712

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 John W Adamson 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: 1376646869
PECOS PAC ID: 3577476761
Enrollment ID: O20031112000695

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 John W Adamson 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 John W Adamson, MD
Po Box 232410,
San Diego, CA 92193-2410

Ph: (858) 552-8585
Dr John W Adamson, MD
8929 University Center Ln, Suite 201,
San Diego, CA 92122-1006

Ph: (858) 405-2272

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.