Dr Melissa J Williams, MD - Medicare Hematology/oncology in Sacramento, CA

Dr Melissa J Williams, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Sacramento, California. She went to University Of Wisconsin School Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Sutter Valley Medical Foundation and her current practice location is 2800 L St, Suite 300, Sacramento, California. You can reach out to her office (for appointments etc.) via phone at (916) 453-3300.

Dr Melissa J Williams is licensed to practice in California (license number A109254) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1205000122.

Contact Information

Dr Melissa J Williams, MD
2800 L St, Suite 300,
Sacramento, CA 95816-5616
(916) 453-3300
(916) 454-6822



Physician's Profile

Full NameDr Melissa J Williams
GenderFemale
SpecialityHematology/oncology
Experience23 Years
Location2800 L St, Sacramento, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Melissa J Williams attended and graduated from University Of Wisconsin School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1205000122
  • Provider Enumeration Date: 04/22/2008
  • Last Update Date: 07/29/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 7517038797
  • Enrollment ID: I20091105000488

Medical Identifiers

Medical identifiers for Dr Melissa J Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205000122NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD424950 (Pennsylvania)Secondary
207RH0003XInternal Medicine - Hematology & Oncology A109254 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sutter Medical Center, SacramentoSacramento, CAHospital
Sutter Davis HospitalDavis, CAHospital
Sutter Roseville Medical CenterRoseville, CAHospital
Sutter Solano Medical CenterVallejo, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Valley Medical Foundation98300945151840

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

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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 Melissa J Williams 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 Melissa J Williams, MD
10470 Old Placerville Rd, Suite 100,
Sacramento, CA 95827-2539

Ph: (800) 470-0071
Dr Melissa J Williams, MD
2800 L St, Suite 300,
Sacramento, CA 95816-5616

Ph: (916) 453-3300

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Internal Medicine Doctors in Sacramento, CA

Vinod Trivedi, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1508 Alhambra Blvd Ste 200, Sacramento, CA 95816
Phone: 916-325-1040    Fax: 916-669-4100
Patrick Richards, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3000 Q St, Sacramento, CA 95816
Phone: 916-733-3346    Fax: 916-733-3320
Betty Carolyn Murray, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3000 Q St Fl 3, Sacramento, CA 95816
Phone: 916-733-3400    Fax: 916-733-5384
Stephanie T Le, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3301 C St Ste 1400, Sacramento, CA 95816
Phone: 916-734-6111    Fax: 916-731-7183
Kathryn D Newell, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 4860 Y St, Suite 0101, Sacramento, CA 95817
Phone: 916-734-4843    Fax: 916-734-2732
Dr. Michael John Thornton, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 4150 V St, Suite 3400, Sacramento, CA 95817
Phone: 916-734-3566    
Dr. Pouria Kashkouli, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 4150 V St, #3116, Sacramento, CA 95817
Phone: 916-734-7080    

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