Chi-chen Mao, MD - Medicare Neurology in South San Francisco, CA

Chi-chen Mao, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in South San Francisco, California. He graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Neurology. He is a member of the group practice Dignity Health Medical Foundation and his current practice location is 1200 El Camino Real, South San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (650) 742-2000.

Chi-chen Mao is licensed to practice in California (license number A44396) 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 1467530055.

Contact Information

Chi-chen Mao, MD
1200 El Camino Real,
South San Francisco, CA 94080-3208
(650) 742-2000
Not Available

Map and Direction




Physician's Profile

Full NameChi-chen Mao
GenderMale
SpecialityNeurology
Experience45 Years
Location1200 El Camino Real, South San Francisco, 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:
  • Chi-chen Mao graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1467530055
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1254520430
  • Enrollment ID: I20110104001281

Medical Identifiers

Medical identifiers for Chi-chen Mao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467530055NPI-NPPES
00A443960MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology A44396 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sequoia HospitalRedwood city, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dignity Health Medical Foundation78108006611199

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. Chi-chen Mao allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameDignity Health Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700803418
PECOS PAC ID: 7810800661
Enrollment ID: O20031107000709

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. Chi-chen Mao 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
Chi-chen Mao, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Chi-chen Mao, MD
1200 El Camino Real,
South San Francisco, CA 94080-3208

Ph: (650) 742-2000

Reviews and Comments


Psychiatry & Neurology Doctors in South San Francisco, CA

Michael Ryan Trindle, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1475 Huntington Ave, South San Francisco, CA 94080
Phone: 650-246-3829    Fax: 650-246-3838
Connie Kang-ling Wu, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 1200 El Camino Real, Medical Office Building, 4th Floor, South San Francisco, CA 94080
Phone: 650-742-2179    
Vincent J. Dilella, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1200 El Camino Real, South San Francisco, CA 94080
Phone: 650-742-2000    
Dr. Ronald Richard Holt, DO
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1200 El Camino Real, South San Francisco, CA 94080
Phone: 650-742-2000    
Purvi K. Sangani, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1200 El Camino Real, South San Francisco, CA 94080
Phone: 650-742-2000    
Thomas D. Lupton, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 1200 El Camino Real, South San Francisco, CA 94080
Phone: 650-742-2000    

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.