Dr William Francis Nicholson, MD - Medicare Cardiovascular Disease (cardiology) in Fremont, CA

Dr William Francis Nicholson, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Fremont, California. He went to University Of Southern California Keck School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Washington Township Hospital District and his current practice location is 2557 Mowry Ave Ste 33, Fremont, California. You can reach out to his office (for appointments etc.) via phone at (510) 745-8100.

Dr William Francis Nicholson is licensed to practice in California (license number G47903) 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 1144381278.

Contact Information

Dr William Francis Nicholson, MD
2557 Mowry Ave Ste 33,
Fremont, CA 94538-1614
(510) 745-8100
(510) 797-4983

Map and Direction




Physician's Profile

Full NameDr William Francis Nicholson
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience43 Years
Location2557 Mowry Ave Ste 33, Fremont, 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:
  • Dr William Francis Nicholson attended and graduated from University Of Southern California Keck School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1144381278
  • Provider Enumeration Date: 12/13/2006
  • Last Update Date: 07/07/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6709975956
  • Enrollment ID: I20101213000462

Medical Identifiers

Medical identifiers for Dr William Francis Nicholson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144381278NPI-NPPES
00G479031MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G47903 (California)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease G47903 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Washington HospitalFremont, 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 William Francis Nicholson allows following entities to bill medicare on his behalf.
Entity NameWashington Township Hospital District
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1154472058
PECOS PAC ID: 2860488822
Enrollment ID: O20081210000515

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 William Francis Nicholson 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 William Francis Nicholson, MD
2557 Mowry Ave Ste 33,
Fremont, CA 94538-1614

Ph: (510) 745-8100
Dr William Francis Nicholson, MD
2557 Mowry Ave Ste 33,
Fremont, CA 94538-1614

Ph: (510) 745-8100

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.

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