John Cunniff, MD - Medicare Internal Medicine in Palo Alto, CA

John Cunniff, MD is a medicare enrolled "Hospitalist" physician in Palo Alto, California. He went to University Of Florida College Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Sutter Bay Medical Foundation and his current practice location is 795 El Camino Real, Palo Alto, California. You can reach out to his office (for appointments etc.) via phone at (650) 321-4121.

John Cunniff is licensed to practice in California (license number G84693) 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 1255446449.

Contact Information

John Cunniff, MD
795 El Camino Real,
Palo Alto, CA 94301-2302
(650) 321-4121
Not Available

Map and Direction




Physician's Profile

Full NameJohn Cunniff
GenderMale
SpecialityInternal Medicine
Experience29 Years
Location795 El Camino Real, 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:
  • John Cunniff attended and graduated from University Of Florida College Of Medicine in 1995
  NPI Data:
  • NPI Number: 1255446449
  • Provider Enumeration Date: 08/20/2006
  • Last Update Date: 02/16/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2567536436
  • Enrollment ID: I20080811000686

Medical Identifiers

Medical identifiers for John Cunniff such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255446449NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G84693 (California)Secondary
208M00000XHospitalist G84693 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Stanford Health CareStanford, CAHospital
Washington HospitalFremont, CAHospital
Sequoia HospitalRedwood city, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Bay Medical Foundation42845387782941

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. John Cunniff allows following entities to bill medicare on his behalf.
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013950807
PECOS PAC ID: 4284538778
Enrollment ID: O20031125000909

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. John Cunniff 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
John Cunniff, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: (650) 321-4121
John Cunniff, MD
795 El Camino Real,
Palo Alto, CA 94301-2302

Ph: (650) 321-4121

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.