Mark Thanassi, MD - Medicare Emergency Medicine in Santa Clara, CA

Mark Thanassi, MD is a medicare enrolled "Emergency Medicine" physician in Santa Clara, California. His current practice location is 900 Kiely Blvd, Santa Clara, California. You can reach out to his office (for appointments etc.) via phone at (408) 236-6400.

Mark Thanassi is licensed to practice in California (license number G86578) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1104903038.

Contact Information

Mark Thanassi, MD
900 Kiely Blvd,
Santa Clara, CA 95051-5329
(408) 236-6400
Not Available



Physician's Profile

Full NameMark Thanassi
GenderMale
SpecialityEmergency Medicine
Location900 Kiely Blvd, Santa Clara, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104903038
  • Provider Enumeration Date: 10/31/2006
  • Last Update Date: 12/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3072565365
  • Enrollment ID: I20110202000001

Medical Identifiers

Medical identifiers for Mark Thanassi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104903038NPI-NPPES
00G865780MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine G86578 (California)Primary

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. Mark Thanassi allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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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. Mark Thanassi 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
Mark Thanassi, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Mark Thanassi, MD
900 Kiely Blvd,
Santa Clara, CA 95051-5329

Ph: (408) 236-6400

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Emergency Medicine Doctors in Santa Clara, CA

Bonnie Lau, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 700 Lawrence Expy, Emergency Department 100, Santa Clara, CA 95051
Phone: 408-851-5443    
Yi-mei Chng, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 900 Kiely Blvd, Santa Clara, CA 95051
Phone: 408-236-6400    
Shahinoor T. Esmail, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 900 Kiely Blvd, Santa Clara, CA 95051
Phone: 408-236-6400    
Dr. Manish Ramakant Asaravala, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 700 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-5443    
Elizabeth Doherty Turner, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 700 Lawrence Expy, Kaiser Permanente Emergency Dept, Santa Clara, CA 95051
Phone: 408-851-1000    
John I. Takahashi, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 900 Kiely Blvd, Santa Clara, CA 95051
Phone: 408-236-6400    

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