Dr Tammy L Chen, MD - Medicare Emergency Medicine in Grand Blanc, MI

Dr Tammy L Chen, MD is a medicare enrolled "Emergency Medicine" physician in Grand Blanc, Michigan. She graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 1 Genesys Pkwy, Grand Blanc, Michigan. You can reach out to her office (for appointments etc.) via phone at (810) 606-6372.

Dr Tammy L Chen is licensed to practice in Michigan (license number 4301094407) 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 1851527071.

Contact Information

Dr Tammy L Chen, MD
1 Genesys Pkwy,
Grand Blanc, MI 48439-8065
(810) 606-6372
Not Available

Map and Direction




Physician's Profile

Full NameDr Tammy L Chen
GenderFemale
SpecialityEmergency Medicine
Experience15 Years
Location1 Genesys Pkwy, Grand Blanc, 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:
  • Dr Tammy L Chen graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1851527071
  • Provider Enumeration Date: 06/02/2009
  • Last Update Date: 01/04/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9931342128
  • Enrollment ID: I20130909000489

Medical Identifiers

Medical identifiers for Dr Tammy L Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851527071NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 4301094407 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital-san JoseSan jose, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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 Tammy L Chen allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520

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 Tammy L Chen 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 Tammy L Chen, MD
2025 Morse Ave,
Sacramento, CA 95825-2115

Ph: (916) 973-5000
Dr Tammy L Chen, MD
1 Genesys Pkwy,
Grand Blanc, MI 48439-8065

Ph: (810) 606-6372

Reviews and Comments


Emergency Medicine Doctors in Grand Blanc, MI

Dr. Tara Knisely, MD, MPH
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Genesys Pkwy, Grand Blanc, MI 48439
Phone: 810-606-5000    
Alison Marie Ralston,
Emergency Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 1 Genesys Pkwy, Grand Blanc, MI 48439
Phone: 810-606-6372    
Brian T West, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Genesys Pkwy, Grand Blanc, MI 48439
Phone: 810-606-6137    
Dr. Brendan Haigis, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Genesys Pkwy, Grand Blanc, MI 48439
Phone: 810-606-6372    
Roland R Tindle, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 8401 Holly Rd, Grand Blanc, MI 48439
Phone: 810-695-8011    Fax: 810-695-8002
Dr. Ryan Patrick Kirby, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Genesys Pkwy, Grand Blanc, MI 48439
Phone: 810-606-5000    
Dr. John Nicholas Vitali, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Genesys Parkway, Grand Blanc, MI 48439
Phone: 810-606-5000    

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.