Dr Mark K Yamanaka, MD - Medicare Pulmonary Disease in Oceanside, CA

Dr Mark K Yamanaka, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Oceanside, California. He went to University Of California, Davis School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Cep America - Intensivists Pc, Pulmonary Specialists Of North County Inc and his current practice location is 3907 Waring Rd Ste 2, Oceanside, California. You can reach out to his office (for appointments etc.) via phone at (760) 941-0221.

Dr Mark K Yamanaka is licensed to practice in California (license number G48542) 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 1013004852.

Contact Information

Dr Mark K Yamanaka, MD
3907 Waring Rd Ste 2,
Oceanside, CA 92056-4454
(760) 941-0221
(760) 941-0905

Map and Direction




Physician's Profile

Full NameDr Mark K Yamanaka
GenderMale
SpecialityPulmonary Disease
Experience43 Years
Location3907 Waring Rd Ste 2, Oceanside, 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 Mark K Yamanaka attended and graduated from University Of California, Davis School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1013004852
  • Provider Enumeration Date: 10/05/2006
  • Last Update Date: 07/12/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6305977299
  • Enrollment ID: I20100621000523

Medical Identifiers

Medical identifiers for Dr Mark K Yamanaka such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013004852NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine G48542 (California)Secondary
207RP1001XInternal Medicine - Pulmonary Disease G48542 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tri-city Medical CenterOceanside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - Intensivists Pc903242342148
Pulmonary Specialists Of North County Inc00426242234

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 Mark K Yamanaka allows following entities to bill medicare on his behalf.
Entity NameCep America - Intensivists Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407234057
PECOS PAC ID: 9032423421
Enrollment ID: O20150729008559
Entity NamePulmonary Specialists Of North County Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073127247
PECOS PAC ID: 0042624223
Enrollment ID: O20210129000675

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 Mark K Yamanaka 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 Mark K Yamanaka, MD
3907 Waring Rd Ste 2,
Oceanside, CA 92056-4454

Ph: (760) 941-0221
Dr Mark K Yamanaka, MD
3907 Waring Rd Ste 2,
Oceanside, CA 92056-4454

Ph: (760) 941-0221

Reviews and Comments


Internal Medicine Doctors in Oceanside, CA

Javaid Ahmed Shad, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3923 Waring Rd Ste A, Oceanside, CA 92056
Phone: 760-724-8782    Fax: 760-842-7801
David G. Antoun, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 4002 Vista Way, Oceanside, CA 92056
Phone: 760-724-8411    
Pratan Vathesatogkit, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3231 Waring Ct, Suite D, Oceanside, CA 92056
Phone: 760-630-4833    Fax: 760-758-1980
Ian B Butler, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3231 Waring Ct Ste D, Oceanside, CA 92056
Phone: 760-941-0221    Fax: 760-941-0905
Dr. Ronald Hansel Main, M.D.
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 3460 Marron Rd Ste 103-477, Oceanside, CA 92056
Phone: 760-681-8160    
Dr. Christopher Davis, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 200 Mercy Circle, Oceanside, CA 92055
Phone: 760-725-7410    

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.