Dr Mallory Cless, MD - Medicare Family Practice in Danville, CA

Dr Mallory Cless, MD is a medicare enrolled "Family Medicine" physician in Danville, California. She went to University Of California, San Diego School Of Medicine and graduated in 2021 and has 5 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Bass Medical Group and her current practice location is 4165 Blackhawk Plaza Cir Ste 100, Danville, California. You can reach out to her office (for appointments etc.) via phone at (925) 736-7070.

Dr Mallory Cless is licensed to practice in California (license number A184411) 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 1649847203.

Contact Information

Dr Mallory Cless, MD
4165 Blackhawk Plaza Cir Ste 100,
Danville, CA 94506-4691
(925) 736-7070
Not Available

Map and Direction




Physician's Profile

Full NameDr Mallory Cless
GenderFemale
SpecialityFamily Practice
Experience5 Years
Location4165 Blackhawk Plaza Cir Ste 100, Danville, 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 Mallory Cless attended and graduated from University Of California, San Diego School Of Medicine in 2021
  NPI Data:
  • NPI Number: 1649847203
  • Provider Enumeration Date: 06/10/2021
  • Last Update Date: 01/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7012362718
  • Enrollment ID: I20240226000851

Medical Identifiers

Medical identifiers for Dr Mallory Cless such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649847203NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A184411 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital
San Ramon Regional Medical CenterSan ramon, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bass Medical Group9032111281279

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 Mallory Cless allows following entities to bill medicare on her behalf.
Entity NameContra Costa County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376620336
PECOS PAC ID: 8628052974
Enrollment ID: O20050707001058
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181

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 Mallory Cless 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 Mallory Cless, MD
4165 Blackhawk Plaza Cir Ste 100,
Danville, CA 94506-4691

Ph: (925) 736-7070
Dr Mallory Cless, MD
4165 Blackhawk Plaza Cir Ste 100,
Danville, CA 94506-4691

Ph: (925) 736-7070

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.