Dr David H Tsai, MD - Medicare Internal Medicine in Lowell, MA

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Dr David H Tsai, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Lowell, Massachusetts. His current practice location is 1081 Varnum Ave, Lowell, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 427-6810.

Dr David H Tsai is licensed to practice in Massachusetts (license number 158429) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1386673713.

Contact Information

Dr David H Tsai, MD
1081 Varnum Ave,
Lowell, MA 01854-1131
(978) 427-6810
(978) 427-6887

Map and Direction




Physician's Profile

Full NameDr David H Tsai
GenderMale
SpecialityInternal Medicine - Geriatric Medicine
Location1081 Varnum Ave, Lowell, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1386673713
  • Provider Enumeration Date: 06/30/2006
  • Last Update Date: 12/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7416960778
  • Enrollment ID: I20060803000340

Medical Identifiers

Medical identifiers for Dr David H Tsai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386673713NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0002XInternal Medicine - Hospice And Palliative Medicine 158429 (Massachusetts)Secondary
207RG0300XInternal Medicine - Geriatric Medicine 158429 (Massachusetts)Primary

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 David H Tsai allows following entities to bill medicare on his behalf.
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538194980
PECOS PAC ID: 2264336528
Enrollment ID: O20031120000097
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063447316
PECOS PAC ID: 2264336528
Enrollment ID: O20040629001269
Entity NameHebrew Rehabilitation Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437155967
PECOS PAC ID: 6608855119
Enrollment ID: O20040719000202
Entity NameEssex Inpatient Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104004795
PECOS PAC ID: 1850475450
Enrollment ID: O20080220000654
Entity NameEmerson Practice Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508020199
PECOS PAC ID: 8123188117
Enrollment ID: O20081120000518
Entity NameEip Lawrence Choice Billing
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568880300
PECOS PAC ID: 9335457118
Enrollment ID: O20150928001607
Entity NameOsler Medical Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851869069
PECOS PAC ID: 4587900915
Enrollment ID: O20190107001048

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 David H Tsai 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 David H Tsai, MD
1081 Varnum Ave,
Lowell, MA 01854-1131

Ph: (978) 427-6810		Dr David H Tsai, MD
1081 Varnum Ave,
Lowell, MA 01854-1131

Ph: (978) 427-6810

Reviews and Comments


Internal Medicine Doctors in Lowell, MA

Alexandra Miniati, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 Varnum Ave Riverside Medical Group, Ste 201, Lowell, MA 01854
Phone: 978-452-9700    Fax: 978-441-6075
Dr. Cynthia Lynn Manning, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave, Lowell, MA 01854
Phone: 978-937-6439    
Mrs. Frances M Morse, MD
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 275 Varnum Ave, Ste 101, Lowell, MA 01854
Phone: 978-459-0531    Fax: 978-459-8389
Mrs. Sara Larson Clay, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 Varnum Ave, Ste 201, Lowell, MA 01854
Phone: 978-452-9700    Fax: 978-441-6075
Riad Ettunsi,
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave, Lowell, MA 01854
Phone: 978-937-6000    
Peter S Bradshaw, M.D.
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 77 E Merrimack St, Suite 15, Lowell, MA 01852
Phone: 978-459-3341    
Seema Sahib, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave # General, Lowell, MA 01854
Phone: 978-937-6439    

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.