Grant Seiden, MD - Medicare Hand Surgery in Oceanside, CA

Grant Seiden, MD is a medicare enrolled "Surgery - Surgery Of The Hand" physician in Oceanside, California. He went to University Of California, San Diego School Of Medicine and graduated in 2010 and has 14 years of diverse experience with area of expertise as Hand Surgery. He is a member of the group practice Tri-city Orthopaedic Surgery Medical Group Inc. and his current practice location is 3905 Waring Rd, Oceanside, California. You can reach out to his office (for appointments etc.) via phone at (760) 724-9000.

Grant Seiden is licensed to practice in California (license number A142455) 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 1992025407.

Contact Information

Grant Seiden, MD
3905 Waring Rd,
Oceanside, CA 92056-4405
(760) 724-9000
(760) 724-3686

Map and Direction




Physician's Profile

Full NameGrant Seiden
GenderMale
SpecialityHand Surgery
Experience14 Years
Location3905 Waring Rd, 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:
  • Grant Seiden attended and graduated from University Of California, San Diego School Of Medicine in 2010
  NPI Data:
  • NPI Number: 1992025407
  • Provider Enumeration Date: 06/07/2010
  • Last Update Date: 11/20/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 0749599058
  • Enrollment ID: I20160711000902

Medical Identifiers

Medical identifiers for Grant Seiden such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992025407NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0105XSurgery - Surgery Of The Hand A142455 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tri-city Medical CenterOceanside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tri-city Orthopaedic Surgery Medical Group Inc.115338843424

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. Grant Seiden allows following entities to bill medicare on his behalf.
Entity NameTri-city Orthopaedic Surgery Medical Group Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861451445
PECOS PAC ID: 1153388434
Enrollment ID: O20041217000878

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. Grant Seiden 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
Grant Seiden, MD
3905 Waring Rd,
Oceanside, CA 92056-4405

Ph: (760) 724-9000
Grant Seiden, MD
3905 Waring Rd,
Oceanside, CA 92056-4405

Ph: (760) 724-9000

Reviews and Comments


Surgery Doctors in Oceanside, CA

Landon King, M.D.
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Practice Location: 200 Mercy Circle, Oceanside, CA 92058
Phone: 760-719-3695    
Adam S Fierer, MD
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Practice Location: 3998 Vista Way, Ste C200, Oceanside, CA 92056
Phone: 760-724-5352    Fax: 760-724-5447
Dr. Thomas L. Chung, D.O.
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Practice Location: 200 Mercy Circle, Oceanside, CA 92055
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Dr. Eric Rypins Md Facs Apc, MD FACS APC
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Practice Location: 2424 Vista Way, Ste 106, Oceanside, CA 92054
Phone: 760-732-1166    Fax: 760-732-1130
Dr. Andrew R Deemer, MD
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Practice Location: 3998 Vista Way, Ste C200, Oceanside, CA 92056
Phone: 760-724-5352    Fax: 760-724-5447
Hamid R Movahhedian, MD
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Medicare: Medicare Enrolled
Practice Location: Tri City Medical Center, 4002 Vista Way, Oceanside, CA 92056
Phone: 760-940-3386    Fax: 760-940-7770
Dr. Scott A Trask, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 200 Mercy Cir, Nhcp, Oceanside, CA 92055
Phone: 760-725-1356    

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.

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