Dr Tam M Nguyen, DO - Medicare Internal Medicine in Marysville, CA

Dr Tam M Nguyen, DO is a medicare enrolled "Internal Medicine" physician in Marysville, California. He went to Philadelphia College Of Osteopathic Medicine and graduated in 1998 and has 26 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 414 G St, #110, Marysville, California. You can reach out to his office (for appointments etc.) via phone at (530) 741-2393.

Dr Tam M Nguyen is licensed to practice in California (license number 20A8322) 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 1841200854.

Contact Information

Dr Tam M Nguyen, DO
414 G St, #110,
Marysville, CA 95901-5663
(530) 741-2393
(530) 741-2396

Map and Direction




Physician's Profile

Full NameDr Tam M Nguyen
GenderMale
SpecialityInternal Medicine
Experience26 Years
Location414 G St, Marysville, 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 Tam M Nguyen attended and graduated from Philadelphia College Of Osteopathic Medicine in 1998
  NPI Data:
  • NPI Number: 1841200854
  • Provider Enumeration Date: 08/09/2006
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0345228292
  • Enrollment ID: I20040708000873

Medical Identifiers

Medical identifiers for Dr Tam M Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841200854NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 20A8322 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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 Tam M Nguyen allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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 Tam M 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
Dr Tam M Nguyen, DO
1800 Harrison St 7th Fl,
Oakland, CA 94612-3466

Ph: (916) 784-4000
Dr Tam M Nguyen, DO
414 G St, #110,
Marysville, CA 95901-5663

Ph: (530) 741-2393

Reviews and Comments


Internal Medicine Doctors in Marysville, CA

Douglas Takeshi Fujii, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 726 4th St, Marysville, CA 95901
Phone: 972-924-4330    Fax: 972-924-4331
Dr. Michael L Chin, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 414 G St, Suite 208, Marysville, CA 95901
Phone: 530-741-1122    Fax: 530-741-1155
Rajinder Pal Singh, MD, FACC, FHRS
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 414 G St Ste 210, Marysville, CA 95901
Phone: 513-624-2070    Fax: 513-624-2077
Kaumakaokalani Shimatsu, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5730 Packard Ave Ste 500, Marysville, CA 95901
Phone: 530-749-3242    
Sukhraj Balhan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 726 4th St, Marysville, CA 95901
Phone: 530-749-4300    
Dr. Nathan H Tang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 414 G St, Suite 110, Marysville, CA 95901
Phone: 530-741-2393    Fax: 530-741-2396
Dr. Babak Sanei Fard, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 414 G St, Suite 108, Marysville, CA 95901
Phone: 530-749-6628    

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.