Cecilia Thien Thu Si Nguyen, MD - Medicare Internal Medicine in Royal Oak, MI

Cecilia Thien Thu Si Nguyen, MD is a medicare enrolled "Hospitalist" physician in Royal Oak, Michigan. She graduated from medical school in 2017 and has 7 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Hospitalist Medicine Physicians Of Virginia Llc and her current practice location is 3601 W 13 Mile Rd, Royal Oak, Michigan. You can reach out to her office (for appointments etc.) via phone at (248) 691-8646.

Cecilia Thien Thu Si Nguyen is licensed to practice in Michigan (license number 4301504876) 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 1548753296.

Contact Information

Cecilia Thien Thu Si Nguyen, MD
3601 W 13 Mile Rd,
Royal Oak, MI 48073-6712
(248) 691-8646
Not Available

Map and Direction




Physician's Profile

Full NameCecilia Thien Thu Si Nguyen
GenderFemale
SpecialityInternal Medicine
Experience7 Years
Location3601 W 13 Mile Rd, Royal Oak, Michigan
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:
  • Cecilia Thien Thu Si Nguyen graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1548753296
  • Provider Enumeration Date: 06/07/2018
  • Last Update Date: 03/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5799031555
  • Enrollment ID: I20231005001824

Medical Identifiers

Medical identifiers for Cecilia Thien Thu Si Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548753296NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MT215927 (Pennsylvania)Secondary
208M00000XHospitalist 4301504876 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Alexandria HospitalAlexandria, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hospitalist Medicine Physicians Of Virginia Llc5698842235116

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. Cecilia Thien Thu Si Nguyen allows following entities to bill medicare on her behalf.
Entity NameHospitalist Medicine Physicians Of Virginia Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770756991
PECOS PAC ID: 5698842235
Enrollment ID: O20150918002379

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. Cecilia Thien Thu Si 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
Cecilia Thien Thu Si Nguyen, MD
3601 W 13 Mile Rd,
Royal Oak, MI 48073-6712

Ph: (248) 691-8646
Cecilia Thien Thu Si Nguyen, MD
3601 W 13 Mile Rd,
Royal Oak, MI 48073-6712

Ph: (248) 691-8646

Reviews and Comments


Hospitalist Doctors in Royal Oak, MI

Dr. Cristina Greulich, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    
Saketh Tummala,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    
Richard John Bloomingdale, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-898-4163    Fax: 248-898-5596
Dr. Ioana D Pencu, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    
Parag Somalingam,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    
Alice Kathleen Makris, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    
Chloe Habean Kim, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3601 W 13 Mile Rd, Royal Oak, MI 48073
Phone: 248-691-8646    

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.