Dr Sean Leson, DO - Medicare Allergy/immunology in Garden Grove, CA

Dr Sean Leson, DO is a medicare enrolled "Allergy & Immunology - Clinical & Laboratory Immunology" physician in Garden Grove, California. He went to At Still University Of Health Sciences, College Of Osteo Med, Kirksville and graduated in 1989 and has 35 years of diverse experience with area of expertise as Allergy/immunology. His current practice location is 12512 Garden Grove Blvd, Garden Grove, California. You can reach out to his office (for appointments etc.) via phone at (714) 590-1611.

Dr Sean Leson is licensed to practice in California (license number 20A6461) 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 1699733766.

Contact Information

Dr Sean Leson, DO
12512 Garden Grove Blvd,
Garden Grove, CA 92843-1907
(714) 590-1611
(714) 590-1641

Map and Direction




Physician's Profile

Full NameDr Sean Leson
GenderMale
SpecialityAllergy/immunology
Experience35 Years
Location12512 Garden Grove Blvd, Garden Grove, 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 Sean Leson attended and graduated from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1989
  NPI Data:
  • NPI Number: 1699733766
  • Provider Enumeration Date: 05/01/2006
  • Last Update Date: 01/21/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 7517971633
  • Enrollment ID: I20060127000558

Medical Identifiers

Medical identifiers for Dr Sean Leson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699733766NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KI0005XAllergy & Immunology - Clinical & Laboratory Immunology 20A6461 (California)Primary
207RA0201XInternal Medicine - Allergy & Immunology 20A6461 (California)Secondary

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 Sean Leson allows following entities to bill medicare on his behalf.
Entity NameSean Leson Do Mph Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245305838
PECOS PAC ID: 8628070844
Enrollment ID: O20070131000711

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 Sean Leson 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 Sean Leson, DO
12512 Garden Grove Blvd,
Garden Grove, CA 92843-1907

Ph: (714) 590-1611
Dr Sean Leson, DO
12512 Garden Grove Blvd,
Garden Grove, CA 92843-1907

Ph: (714) 590-1611

Reviews and Comments


Allergy & Immunology Doctors in Garden Grove, CA

Dr. Roger Linh Nguyen, M.D
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 9746 Westminster Ave Ste A, Garden Grove, CA 92844
Phone: 714-638-4433    

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.