Gregory Ming Tiao, MD - Medicare General Surgery in Palo Alto, CA

Gregory Ming Tiao, MD is a medicare enrolled "Surgery" physician in Palo Alto, California. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1990 and has 36 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Children's Hospital Medical Center, Children's Hospital Medical Center and his current practice location is 725 Welch Rd, Palo Alto, California. You can reach out to his office (for appointments etc.) via phone at (650) 497-8000.

Gregory Ming Tiao is licensed to practice in California (license number G84888) 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 1083794036.

Contact Information

Gregory Ming Tiao, MD
725 Welch Rd,
Palo Alto, CA 94304-1601
(650) 497-8000
Not Available

Map and Direction




Physician's Profile

Full NameGregory Ming Tiao
GenderMale
SpecialityGeneral Surgery
Experience36 Years
Location725 Welch Rd, Palo Alto, 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:
  • Gregory Ming Tiao attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1990
  NPI Data:
  • NPI Number: 1083794036
  • Provider Enumeration Date: 10/16/2006
  • Last Update Date: 12/15/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0840464640
  • Enrollment ID: I20111112000072

Medical Identifiers

Medical identifiers for Gregory Ming Tiao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083794036NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0120XSurgery - Pediatric Surgery 52167 (Kentucky)Secondary
204F00000XTransplant Surgery G84888 (California)Secondary
2086S0120XSurgery - Pediatric Surgery 01081810A (Indiana)Secondary
2086S0120XSurgery - Pediatric Surgery G84888 (California)Secondary
2086S0120XSurgery - Pediatric Surgery 35.065006 (Ohio)Secondary
208600000XSurgery G84888 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Children's Hospital Medical Center8426955733545
Children's Hospital Medical Center8426955733545

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. Gregory Ming Tiao allows following entities to bill medicare on his behalf.
Entity NameChildren's Hospital Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609915784
PECOS PAC ID: 8426955733
Enrollment ID: O20031216000035

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. Gregory Ming Tiao 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
Gregory Ming Tiao, MD
725 Welch Rd,
Palo Alto, CA 94304-1601

Ph: (650) 497-8000
Gregory Ming Tiao, MD
725 Welch Rd,
Palo Alto, CA 94304-1601

Ph: (650) 497-8000

Reviews and Comments


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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.