Dr Andrea M Tom, MD - Medicare Endocrinology in San Carlos, CA

Dr Andrea M Tom, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in San Carlos, California. She went to Warren Alpert Medical School Of Brown University and graduated in 2000 and has 24 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice County Of Santa Clara and her current practice location is 301 Industrial Rd, San Carlos, California. You can reach out to her office (for appointments etc.) via phone at (650) 596-4030.

Dr Andrea M Tom is licensed to practice in California (license number A77143) 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 1013980390.

Contact Information

Dr Andrea M Tom, MD
301 Industrial Rd,
San Carlos, CA 94070-2603
(650) 596-4030
Not Available

Map and Direction




Physician's Profile

Full NameDr Andrea M Tom
GenderFemale
SpecialityEndocrinology
Experience24 Years
Location301 Industrial Rd, San Carlos, 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 Andrea M Tom attended and graduated from Warren Alpert Medical School Of Brown University in 2000
  NPI Data:
  • NPI Number: 1013980390
  • Provider Enumeration Date: 02/08/2006
  • Last Update Date: 05/28/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4183606049
  • Enrollment ID: I20070828001063

Medical Identifiers

Medical identifiers for Dr Andrea M Tom such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013980390NPI-NPPES
00A771430MedicaidCA
370419000MedicaidMN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 47122 (Minnesota)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism A77143 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Santa Clara Valley Medical CenterSan jose, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Santa Clara1254244973732

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 Andrea M Tom allows following entities to bill medicare on her behalf.
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784

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 Andrea M Tom 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 Andrea M Tom, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: () -
Dr Andrea M Tom, MD
301 Industrial Rd,
San Carlos, CA 94070-2603

Ph: (650) 596-4030

Reviews and Comments


Internal Medicine Doctors in San Carlos, CA

Dr. Ritu Bansal,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 11 Cranfield Ave, San Carlos, CA 94070
Phone: 201-574-3699    
Rebecca Ashe, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 301 Industrial Rd, San Carlos, CA 94070
Phone: 650-596-4000    
Dr. Vineet Kapur, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: May Accept Medicare Assignments
Practice Location: 751 Laurel St # 442, San Carlos, CA 94070
Phone: 650-292-2437    Fax: 650-292-2437
Dr. Grace S Kim, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1660 San Carlos Ave, San Carlos, CA 94070
Phone: 650-759-9122    
Brett H. Wolff, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 301 Industrial Rd, San Carlos, CA 94070
Phone: 650-596-4000    
Dr. John S. Schoenberger, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 1213 Eaton Ave Ste 5, San Carlos, CA 94070
Phone: 650-591-1183    Fax: 650-508-1204

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.