Mark J Tamsen, MD - Medicare Emergency Medicine in San Diego, CA

Mark J Tamsen, MD is a medicare enrolled "Emergency Medicine" physician in San Diego, California. He went to University Of Arizona College Of Medicine and graduated in 1979 and has 45 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Emergency Care Dynamics Inc and his current practice location is 3434 Midway Dr Ste 1002, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (619) 225-6200.

Mark J Tamsen is licensed to practice in California (license number G64400) 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 1346241452.

Contact Information

Mark J Tamsen, MD
3434 Midway Dr Ste 1002,
San Diego, CA 92110-4924
(619) 225-6200
(619) 225-6208



Physician's Profile

Full NameMark J Tamsen
GenderMale
SpecialityEmergency Medicine
Experience45 Years
Location3434 Midway Dr Ste 1002, San Diego, 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:
  • Mark J Tamsen attended and graduated from University Of Arizona College Of Medicine in 1979
  NPI Data:
  • NPI Number: 1346241452
  • Provider Enumeration Date: 08/10/2005
  • Last Update Date: 12/16/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2163595752
  • Enrollment ID: I20080715000485

Medical Identifiers

Medical identifiers for Mark J Tamsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346241452NPI-NPPES
00G644000MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine G64400 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emergency Care Dynamics Inc64068467652

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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 J Tamsen allows following entities to bill medicare on his behalf.
Entity NameEmergency Care Dynamics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710989793
PECOS PAC ID: 6406846765
Enrollment ID: O20130208000087

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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 J Tamsen 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 J Tamsen, MD
Po Box 370630,
San Diego, CA 92137-0630

Ph: (619) 225-6200
Mark J Tamsen, MD
3434 Midway Dr Ste 1002,
San Diego, CA 92110-4924

Ph: (619) 225-6200

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Emergency Medicine Doctors in San Diego, CA

Sarah Wilkinson, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 200 W Arbor Dr # 8819, San Diego, CA 92103
Phone: 956-458-9885    
Dr. Ramandeep Singh Dhillon, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5454 El Cajon Blvd, San Diego, CA 92115
Phone: 619-515-2400    
Mina Kyrollus Ghobrial,
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Medicare: Medicare Enrolled
Practice Location: 200 W Arbor Dr, San Diego, CA 92103
Phone: 800-926-8273    Fax: 888-539-8781
Dr. Timothy Stuart Hinman, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2001 4th Ave, San Diego, CA 92101
Phone: 858-499-2600    
Dr. Peter D. Aldrich, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 15025 Innovation Dr, San Diego, CA 92128
Phone: 858-554-8638    
Dr. Matthew J. Perl, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15004 Innovation Dr, San Diego, CA 92128
Phone: 858-605-7171    
Jeffrey Adam Bush, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 4647 Zion Ave, San Diego, CA 92120
Phone: 619-528-5000    

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