Dr Mark S Sullivan, MD - Medicare Family Practice in Fairfield, CA

Dr Mark S Sullivan, MD is a medicare enrolled "Family Medicine" physician in Fairfield, California. He went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 1988 and has 36 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Sutter Valley Medical Foundation and his current practice location is 1234 Empire St, Fairfield, California. You can reach out to his office (for appointments etc.) via phone at (707) 426-3911.

Dr Mark S Sullivan is licensed to practice in California (license number A49206) 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 1871673723.

Contact Information

Dr Mark S Sullivan, MD
1234 Empire St,
Fairfield, CA 94533-5711
(707) 426-3911
(707) 436-2511

Map and Direction




Physician's Profile

Full NameDr Mark S Sullivan
GenderMale
SpecialityFamily Practice
Experience36 Years
Location1234 Empire St, Fairfield, 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 Mark S Sullivan attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1988
  NPI Data:
  • NPI Number: 1871673723
  • Provider Enumeration Date: 10/16/2006
  • Last Update Date: 07/28/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2769432582
  • Enrollment ID: I20050128000328

Medical Identifiers

Medical identifiers for Dr Mark S Sullivan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871673723NPI-NPPES
00A492060MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A49206 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sutter Medical Center, SacramentoSacramento, CAHospital
Sutter Solano Medical CenterVallejo, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Valley Medical Foundation98300945151919

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 Mark S Sullivan allows following entities to bill medicare on his behalf.
Entity NameSutter Valley Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669846986
PECOS PAC ID: 9830094515
Enrollment ID: O20090311000335

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 Mark S Sullivan 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 Mark S Sullivan, MD
10470 Old Placerville Rd, Suite 100,
Sacramento, CA 95827-2539

Ph: (800) 470-0071
Dr Mark S Sullivan, MD
1234 Empire St,
Fairfield, CA 94533-5711

Ph: (707) 426-3911

Reviews and Comments


Family Medicine Doctors in Fairfield, CA

Michael Balbin Santos, M.D.
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Phone: 707-427-4900    Fax: 707-432-2533
Joel E Herness, M.D.
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Phone: 707-469-4640    
Johanna M Cardoza, MD
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Phone: 707-427-4000    
Dr. Melissa G. Pearce, D.O.
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Phone: 707-784-2010    
Dr. Rebekah O Ayodele, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1620 Pennsylvania Ave, Suite C, Fairfield, CA 94533
Phone: 707-428-4878    

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.