Dr John Marshall Robertson, MD - Medicare Thoracic Surgery in Santa Monica, CA

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Dr John Marshall Robertson, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Santa Monica, California. He went to Saint Louis University School Of Medicine and graduated in 1977 and has 48 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Providence Saint Johns Medical Foundation and his current practice location is 2121 Santa Monica Blvd, Santa Monica, California. You can reach out to his office (for appointments etc.) via phone at (310) 829-8618.

Dr John Marshall Robertson is licensed to practice in California (license number G38174) 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 1689760480.

Contact Information

Dr John Marshall Robertson, MD
2121 Santa Monica Blvd,
Santa Monica, CA 90404-2303
(310) 829-8618
(310) 829-8607

Map and Direction




Physician's Profile

Full NameDr John Marshall Robertson
GenderMale
SpecialityThoracic Surgery
Experience48 Years
Location2121 Santa Monica Blvd, Santa Monica, 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 Marshall Robertson attended and graduated from Saint Louis University School Of Medicine in 1977
  NPI Data:
  • NPI Number: 1689760480
  • Provider Enumeration Date: 10/05/2006
  • Last Update Date: 04/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5496897704
  • Enrollment ID: I20100126000070

Medical Identifiers

Medical identifiers for Dr John Marshall Robertson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689760480NPI-NPPES
JR-G38174OtherCAMEDICARE IDENTIFICATION NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) G38174 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Saint John's Health CenterSanta monica, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Saint Johns Medical Foundation0840548624256

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 Marshall Robertson allows following entities to bill medicare on his behalf.
Entity NameProvidence Saint Johns Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770093734
PECOS PAC ID: 0840548624
Enrollment ID: O20180810000904

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 Marshall Robertson 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 Marshall Robertson, MD
2121 Santa Monica Blvd, Saint Johns Health Center,
Santa Monica, CA 90404-2303

Ph: (310) 829-8618		Dr John Marshall Robertson, MD
2121 Santa Monica Blvd,
Santa Monica, CA 90404-2303

Ph: (310) 829-8618

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Santa Monica, CA

Dr. Kathy Elizabeth Magliato, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 1328 22nd Street, Saint Johns Health Center, Santa Monica, CA 90405
Phone: 310-829-8618    Fax: 310-829-8607
Dr. Manuel R Estioko, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 1328 22nd Street, Saint Johns Health Center, Santa Monica, CA 90404
Phone: 310-829-8618    Fax: 310-829-8607
Philippe H Lemoine Md Apc, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 2632 Wilshire Blvd Ste 512, Santa Monica, CA 90403
Phone: 310-303-5071    Fax: 310-899-3825
James P Zalez, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 2001 Santa Monica Blvd, Suite 860, Santa Monica, CA 90404
Phone: 310-828-3209    Fax: 310-828-5165
Dr. Robert Joseph Mckenna Jr., M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 2121 Santa Monica Blvd, Santa Monica, CA 90404
Phone: 310-829-8618    Fax: 310-829-8607

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.