Dr Douglas D Zhang, MD - Medicare General Practice in San Leandro, CA

Dr Douglas D Zhang, MD is a medicare enrolled "Family Medicine - Geriatric Medicine" physician in San Leandro, California. He went to Texas Tech University Health Science Center School Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as General Practice. His current practice location is 13851 E 14th St, San Leandro, California. You can reach out to his office (for appointments etc.) via phone at (510) 351-2100.

Dr Douglas D Zhang is licensed to practice in California (license number A63200) 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 1023074341.

Contact Information

Dr Douglas D Zhang, MD
13851 E 14th St,
San Leandro, CA 94578-2628
(510) 351-2100
(510) 357-3389

Map and Direction




Physician's Profile

Full NameDr Douglas D Zhang
GenderMale
SpecialityGeneral Practice
Experience30 Years
Location13851 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:
  • Dr Douglas D Zhang attended and graduated from Texas Tech University Health Science Center School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1023074341
  • Provider Enumeration Date: 04/25/2006
  • Last Update Date: 03/23/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4183626625
  • Enrollment ID: I20070212000640

Medical Identifiers

Medical identifiers for Dr Douglas D Zhang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023074341NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QG0300XFamily Medicine - Geriatric Medicine A63200 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Asian American Home HealthAlameda, CAHome health agency
Amedisys Home Health CareHayward, CAHome health agency
Eden Medical CenterCastro valley, CAHospital
Highland HospitalOakland, CAHospital

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 Douglas D Zhang allows following entities to bill medicare on his behalf.
Entity NameDouglas D Zhang Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336215649
PECOS PAC ID: 7810999356
Enrollment ID: O20070212000644

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 Douglas D Zhang 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 Douglas D Zhang, MD
13851 E 14th St,
San Leandro, CA 94578-2628

Ph: (510) 351-2100
Dr Douglas D Zhang, MD
13851 E 14th St,
San Leandro, CA 94578-2628

Ph: (510) 351-2100

Reviews and Comments


Family Medicine Doctors in San Leandro, CA

Bruce A Robertson, M.D
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 13851 E 14th St, Suite 102, San Leandro, CA 94578
Phone: 510-351-2100    Fax: 510-357-3389
Miss Somia Mohanty, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-362-6303    
Dr. Jane Helen Wardzinska, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13847 E 14th St, Suite 110, San Leandro, CA 94578
Phone: 510-895-8700    Fax: 510-895-8725
Willis L Gelston, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13851 E 14th St, Suite 102, San Leandro, CA 94578
Phone: 510-351-2100    Fax: 510-357-3389
Dr. Herbert B Weingard, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 13851 E 14th St, Suite 200, San Leandro, CA 94578
Phone: 510-351-2100    Fax: 510-357-3389
Anatoly Brodsky, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, Internal Medicine Department, San Leandro, CA 94577
Phone: 510-454-4010    

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.