Dr Patrick Keith Griffith, MD - Medicare Cardiac Surgery in Laguna Hills, CA

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Dr Patrick Keith Griffith, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Laguna Hills, California. He went to Washington University School Of Medicine and graduated in 1985 and has 40 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice Hoag Clinic, Memorialcare Medical Foundation and his current practice location is 24411 Health Center Drive, Ste 680, Laguna Hills, California. You can reach out to his office (for appointments etc.) via phone at (949) 268-4568.

Dr Patrick Keith Griffith is licensed to practice in California (license number C51011) 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 1437186285.

Contact Information

Dr Patrick Keith Griffith, MD
24411 Health Center Drive, Ste 680,
Laguna Hills, CA 92653
(949) 268-4568
(949) 455-2795

Map and Direction




Physician's Profile

Full NameDr Patrick Keith Griffith
GenderMale
SpecialityCardiac Surgery
Experience40 Years
Location24411 Health Center Drive, Laguna Hills, 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 Patrick Keith Griffith attended and graduated from Washington University School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1437186285
  • Provider Enumeration Date: 06/27/2006
  • Last Update Date: 06/26/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5496648529
  • Enrollment ID: I20040209000607

Medical Identifiers

Medical identifiers for Dr Patrick Keith Griffith such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437186285NPI-NPPES
1437186285MedicaidCA
ZZZ33841ZOtherCABLUE SHIELD PIN #
P00202517OtherCARAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) C51011 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hoag Memorial Hospital PresbyterianNewport beach, CAHospital
Memorialcare Saddleback Medical CenterLaguna hills, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hoag Clinic3274872064347
Memorialcare Medical Foundation8729277314450

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 Patrick Keith Griffith allows following entities to bill medicare on his behalf.
Entity NameMemorialcare Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205167350
PECOS PAC ID: 8729277314
Enrollment ID: O20110113000219
Entity NameHoag Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942799523
PECOS PAC ID: 3274872064
Enrollment ID: O20190221001936

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 Patrick Keith Griffith 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 Patrick Keith Griffith, MD
24411 Health Center Drive, Ste 680,
Laguna Hills, CA 92653

Ph: (949) 268-4568		Dr Patrick Keith Griffith, MD
24411 Health Center Drive, Ste 680,
Laguna Hills, CA 92653

Ph: (949) 268-4568

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Laguna Hills, CA

Erick Leopoldo Montero, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Health Center Dr, Suite 680, Laguna Hills, CA 92653
Phone: 949-268-4568    Fax: 949-455-2795
Colin I. Joyo, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Health Center Dr Ste 680, Laguna Hills, CA 92653
Phone: 949-268-4568    Fax: 949-455-2795
Dr. Asad Ali Shah, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Health Center Dr Ste 680, Laguna Hills, CA 92653
Phone: 949-268-4568    Fax: 949-455-2795
Ledford Lee Powell, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Health Center Dr, Suite 630, Laguna Hills, CA 92653
Phone: 949-716-2400    Fax: 949-716-2400
Dr. Timothy Mark Lee, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Health Center Dr Ste 680, Laguna Hills, CA 92653
Phone: 949-268-4568    Fax: 949-455-2795
David J Perkowski, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 24411 Health Center Dr, Suite 680, Laguna Hills, CA 92653
Phone: 949-268-4568    Fax: 949-455-2795

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.