Dr Lorena H Tan, MD - Medicare Family Practice in Livermore, CA

Dr Lorena H Tan, MD is a medicare enrolled "Family Medicine" physician in Livermore, California. She went to University Of Southern California Keck School Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Family Practice. Her current practice location is 1133 E Stanley Blvd, Suite 201, Livermore, California. You can reach out to her office (for appointments etc.) via phone at (925) 443-9000.

Dr Lorena H Tan is licensed to practice in California (license number A61352) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1417957697.

Contact Information

Dr Lorena H Tan, MD
1133 E Stanley Blvd, Suite 201,
Livermore, CA 94550-4200
(925) 443-9000
(925) 443-9009

Map and Direction




Physician's Profile

Full NameDr Lorena H Tan
GenderFemale
SpecialityFamily Practice
Experience29 Years
Location1133 E Stanley Blvd, Livermore, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Lorena H Tan attended and graduated from University Of Southern California Keck School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1417957697
  • Provider Enumeration Date: 07/28/2005
  • Last Update Date: 11/15/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 0648238436
  • Enrollment ID: I20041227000553

Medical Identifiers

Medical identifiers for Dr Lorena H Tan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417957697NPI-NPPES
00A613520MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A61352 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Stanford Health Care - ValleycarePleasanton, 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 Lorena H Tan allows following entities to bill medicare on her behalf.
Entity NamePleasanton Emergency Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285625509
PECOS PAC ID: 0143118927
Enrollment ID: O20040304001270
Entity NameTri-valley Family Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245483759
PECOS PAC ID: 8022164235
Enrollment ID: O20090914000084

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 Lorena H Tan 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 Lorena H Tan, MD
1133 E Stanley Blvd, Suite 201,
Livermore, CA 94550-4200

Ph: (925) 443-9000
Dr Lorena H Tan, MD
1133 E Stanley Blvd, Suite 201,
Livermore, CA 94550-4200

Ph: (925) 443-9000

Reviews and Comments


Family Medicine Doctors in Livermore, CA

Mignonette Mae Willkom, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1133 E Stanley Blvd Ste 101, Livermore, CA 94550
Phone: 925-454-4280    
Ms. Mary Patricia Hyslop, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 2441 Constitution Dr, Livermore, CA 94551
Phone: 925-505-4700    Fax: 925-371-4410
Dr. Patrick L Keller, MD
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Medicare: Medicare Enrolled
Practice Location: 7000 East Ave, Livermore, CA 94550
Phone: 925-424-2544    Fax: 925-423-7967
Tsung Peter Wong, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 87 Fenton St Ste 210, Livermore, CA 94550
Phone: 925-371-8885    Fax: 925-371-8884
Alicia April Lo, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1133 E Stanley Blvd Ste 203, Livermore, CA 94550
Phone: 925-373-4541    
Kashika Gupta, MD
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Medicare: Medicare Enrolled
Practice Location: 3000 Las Positas Rd, Livermore, CA 94551
Phone: 925-243-2600    
Arshian Mahajan, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3000 Las Positas Rd, Livermore, CA 94551
Phone: 209-468-6000    

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.