Thien Long, Llc - Medicare Primary Care in Gaithersburg, MD

Thien Long, Llc is a medicare enrolled primary clinic (Internal Medicine) in Gaithersburg, Maryland. The current practice location for Thien Long, Llc is 4 Professional Dr Ste 133, Gaithersburg, Maryland. For appointments, you can reach them via phone at (301) 974-9625. The mailing address for Thien Long, Llc is 4 Professional Dr, Suite 133, Gaithersburg, Maryland and phone number is (301) 974-9625.

Thien Long, Llc is licensed to practice in Maryland (license number D0063163). The clinic also participates in the medicare program and its NPI number is 1174801609. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (301) 974-9625.

Contact Information

Thien Long, Llc
4 Professional Dr Ste 133
Gaithersburg
MD 20879-3426
(301) 974-9625
Not Available

Map and Direction


Primary Care Clinic Profile

Full NameThien Long, Llc
SpecialityInternal Medicine
Location4 Professional Dr Ste 133, Gaithersburg, Maryland
Authorized Official Name and PositionStephen T Nguyen (SOLE OWNER)
Authorized Official Contact3019749625
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Thien Long, Llc
4 Professional Dr
Suite 133
Gaithersburg
MD 20879-3407

Ph: (301) 974-9625
Thien Long, Llc
4 Professional Dr Ste 133
Gaithersburg
MD 20879-3426

Ph: (301) 974-9625

NPI Details:

NPI Number1174801609
Provider Enumeration Date08/02/2011
Last Update Date03/29/2012

Medicare PECOS Information:

Medicare PECOS PAC ID5092977876
Medicare Enrollment IDO20120425000170

Medical Identifiers

Medical identifiers for Thien Long, Llc such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174801609NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine D0063163 (Maryland)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Thien Long, Llc acts as a billing entity for following providers:
Provider NameStephen T Nguyen
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1265596050
PECOS PAC ID: 3274564430
Enrollment ID: I20090430000448

Reviews and Comments


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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.