Dr Clifford John Sewell, MD - Medicare Internal Medicine in Danville, CA

Dr Clifford John Sewell, MD is a medicare enrolled "Internal Medicine" physician in Danville, California. He went to Virginia Commonwealth University, School Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 400 El Cerro Blvd Ste 102, Danville, California. You can reach out to his office (for appointments etc.) via phone at (925) 855-3780.

Dr Clifford John Sewell is licensed to practice in California (license number A55442) 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 1851437123.

Contact Information

Dr Clifford John Sewell, MD
400 El Cerro Blvd Ste 102,
Danville, CA 94526-1731
(925) 855-3780
(925) 855-3785

Map and Direction




Physician's Profile

Full NameDr Clifford John Sewell
GenderMale
SpecialityInternal Medicine
Experience30 Years
Location400 El Cerro Blvd Ste 102, Danville, 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 Clifford John Sewell attended and graduated from Virginia Commonwealth University, School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1851437123
  • Provider Enumeration Date: 01/30/2007
  • Last Update Date: 10/01/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 6002037967
  • Enrollment ID: I20210113002285

Medical Identifiers

Medical identifiers for Dr Clifford John Sewell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851437123NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A55442 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital
San Ramon Regional Medical CenterSan ramon, CAHospital
Saint Francis Memorial HospitalSan francisco, CAHospital
John Muir Medical Center - Concord CampusConcord, 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 Clifford John Sewell allows following entities to bill medicare on his behalf.
Entity NameClaret Medical Group Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548874100
PECOS PAC ID: 1658784509
Enrollment ID: O20210113002229

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 Clifford John Sewell 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 Clifford John Sewell, MD
400 El Cerro Blvd Ste 102,
Danville, CA 94526-1731

Ph: (925) 855-3780
Dr Clifford John Sewell, MD
400 El Cerro Blvd Ste 102,
Danville, CA 94526-1731

Ph: (925) 855-3780

Reviews and Comments


Internal Medicine Doctors in Danville, CA

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Priya Swamy, D.O.
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Dr. Mark S Reginato, M.D.
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Salim M. Shelby, M.D.
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Practice Location: 1320 El Capitan Dr Ste 230, Danville, CA 94526
Phone: 925-232-0090    Fax: 925-853-2371
Dr. Deanna Marie Ward, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 915 San Ramon Valley Blvd Ste 100, Danville, CA 94526
Phone: 925-875-3750    

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.