David Tseng, DO - Medicare Internal Medicine in San Leandro, CA

David Tseng, DO is a medicare enrolled "Internal Medicine" physician in San Leandro, California. He graduated from medical school in 2017 and has 7 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Alameda Health System and his current practice location is 13855 E 14th St, San Leandro, California. You can reach out to his office (for appointments etc.) via phone at (510) 357-6500.

David Tseng is licensed to practice in California (license number 20A17261) 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 1699200709.

Contact Information

David Tseng, DO
13855 E 14th St,
San Leandro, CA 94578-2600
(510) 357-6500
Not Available



Physician's Profile

Full NameDavid Tseng
GenderMale
SpecialityInternal Medicine
Experience7 Years
Location13855 E 14th St, San Leandro, 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:
  • David Tseng graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1699200709
  • Provider Enumeration Date: 04/26/2017
  • Last Update Date: 06/15/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6204259401
  • Enrollment ID: I20200707000824

Medical Identifiers

Medical identifiers for David Tseng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699200709NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 20A17261 (California)Secondary
207R00000XInternal Medicine 20A17261 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Highland HospitalOakland, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Alameda Health System3779494521504

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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. David Tseng allows following entities to bill medicare on his behalf.
Entity NameAlameda Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740332931
PECOS PAC ID: 3779494521
Enrollment ID: O20031110000764

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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. David Tseng 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
David Tseng, DO
13855 E 14th St,
San Leandro, CA 94578-2611

Ph: (510) 357-6500
David Tseng, DO
13855 E 14th St,
San Leandro, CA 94578-2600

Ph: (510) 357-6500

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Internal Medicine Doctors in San Leandro, CA

Dr. Evelyn Junko Nakagawa, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2800 Benedict Dr, San Leandro, CA 94577
Phone: 415-233-3604    Fax: 415-295-5109
Jeffrey Silvers, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13847 E 14th St, Suite 116, San Leandro, CA 94578
Phone: 510-895-0388    Fax: 510-895-0342
Dr. Asaf Shor, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Dr. Arlen Randall Hoh, MD, MPH
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15400 Foothill Blvd, San Leandro, CA 94578
Phone: 510-895-4288    Fax: 510-895-4285
Masood Younus,
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St Bldg A1, San Leandro, CA 94577
Phone: 510-454-2434    
Tri Dang Do, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 101 Callan Ave Ste 300, San Leandro, CA 94577
Phone: 510-300-5340    
Dr. Shraddha Prakash, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, Kaiser Permanente, San Leandro, CA 94577
Phone: 510-454-5750    

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