Thomas T Nguyen, MD - Medicare Hospitalist in Concord, CA

Thomas T Nguyen, MD is a medicare enrolled "Hospitalist" physician in Concord, California. He graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice John Muir Physician Network and his current practice location is 2700 Grant St Ste 200, Concord, California. You can reach out to his office (for appointments etc.) via phone at (925) 674-2609.

Thomas T Nguyen is licensed to practice in California (license number A127610) 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 1669807699.

Contact Information

Thomas T Nguyen, MD
2700 Grant St Ste 200,
Concord, CA 94520-2270
(925) 674-2609
(925) 674-2211

Map and Direction




Physician's Profile

Full NameThomas T Nguyen
GenderMale
SpecialityHospitalist
Experience13 Years
Location2700 Grant St Ste 200, Concord, 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:
  • Thomas T Nguyen graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1669807699
  • Provider Enumeration Date: 09/10/2013
  • Last Update Date: 08/23/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1355569757
  • Enrollment ID: I20140827000466

Medical Identifiers

Medical identifiers for Thomas T Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669807699NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A127610 (California)Primary
207R00000XInternal Medicine A127610 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Concord CampusConcord, CAHospital
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
John Muir Physician Network6608789813464

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. Thomas T Nguyen allows following entities to bill medicare on his behalf.
Entity NameJohn Muir Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841407665
PECOS PAC ID: 6608789813
Enrollment ID: O20031226000143
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784

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. Thomas T Nguyen 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
Thomas T Nguyen, MD
1450 Treat Blvd Ste 300,
Walnut Creek, CA 94597-2168

Ph: (925) 952-2828
Thomas T Nguyen, MD
2700 Grant St Ste 200,
Concord, CA 94520-2270

Ph: (925) 674-2609

Reviews and Comments


Hospitalist Doctors in Concord, CA

Dr. Eric Paul Hoenig, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 2700 Grant St, Suite 200, Concord, CA 94520
Phone: 925-674-2609    Fax: 925-674-2211
Kristy Nguyen,
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2700 Grant St Ste 200, Concord, CA 94520
Phone: 925-952-2828    
Jaspreet Garcha, DO
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2700 Grant St Ste 200, Concord, CA 94520
Phone: 922-947-3312    
Elaine Joyce Tang,
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2700 Grant St Ste 200, Concord, CA 94520
Phone: 925-947-3312    
Omar Al-shuwaykh, M.D
Hospitalist
Medicare: May Accept Medicare Assignments
Practice Location: 2700 Grant St Ste 200, Concord, CA 94520
Phone: 925-674-2609    
Shikha Gupta,
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2700 Grant St Ste 200, Concord, CA 94520
Phone: 925-947-3393    

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.