Dr Ngan Thien Angie Dao, DO - Medicare Internal Medicine in Houston, TX

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Dr Ngan Thien Angie Dao, DO is a medicare enrolled "Internal Medicine" physician in Houston, Texas. Her current practice location is 1635 North Loop W, Houston, Texas. You can reach out to her office (for appointments etc.) via phone at (713) 867-2000.

Dr Ngan Thien Angie Dao is licensed to practice in Texas (license number P9545) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1376830364.

Contact Information

Dr Ngan Thien Angie Dao, DO
1635 North Loop W,
Houston, TX 77008-1532
(713) 867-2000
Not Available

Map and Direction




Physician's Profile

Full NameDr Ngan Thien Angie Dao
GenderFemale
SpecialityInternal Medicine
Location1635 North Loop W, Houston, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376830364
  • Provider Enumeration Date: 06/29/2011
  • Last Update Date: 12/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6002036415
  • Enrollment ID: I20141007002566

Medical Identifiers

Medical identifiers for Dr Ngan Thien Angie Dao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376830364NPI-NPPES
340396601MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist P9545 (Texas)Secondary
207R00000XInternal Medicine P9545 (Texas)Primary
207P00000XEmergency Medicine P9545 (Texas)Secondary

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 Ngan Thien Angie Dao allows following entities to bill medicare on her behalf.
Entity NameLonestar Hospital Medicine Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518237429
PECOS PAC ID: 6709049703
Enrollment ID: O20120530000620
Entity NameHospital Medicine Services Of Tx, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881392363
PECOS PAC ID: 3274998067
Enrollment ID: O20230501001255

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 Ngan Thien Angie Dao 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 Ngan Thien Angie Dao, DO
Po Box 637657,
Cincinnati, OH 45263-7657

Ph: (800) 424-3672		Dr Ngan Thien Angie Dao, DO
1635 North Loop W,
Houston, TX 77008-1532

Ph: (713) 867-2000

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.