DR. NGAN THIEN ANGIE DAO D.O.
NPI 1376830364
Internal Medicine in Houston, TX

Q: What is Ngan Thien Dao's NPI number?

The NPI number for Ngan Thien Dao is 1376830364. It was assigned to this individual provider in the NPPES registry on June 29, 2011.

Q: What is Ngan Thien Dao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Ngan Thien Dao was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 29, 2011PECOS EnrolledAccepts Medicare Assignment

1635 NORTH LOOP W, HOUSTON, TX 77008(713) 867-2000 Get Directions Write a Review

NPPES record last updated: December 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Ngan Thien Angie Dao D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NGAN THIEN ANGIE DAO D.O. (NPI 1376830364) is an individual internal medicine provider in Houston, Texas, licensed in Texas (P9545) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Northwest, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2011).

NPPES Registry Identity

NPI1376830364

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. NGAN THIEN ANGIE DAOCredential: D.O.

Location Address1635 NORTH LOOP WHouston, TX 77008-1532

Mailing AddressPo Box 637657Cincinnati, OH 45263-7657 · (800) 424-3672

Phone(713) 867-2000

Sole ProprietorNo

Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 2011

Enumeration DateJune 29, 2011

Last NPPES UpdateDecember 14, 2023

NPPES CertifiedDecember 14, 2023

✔ NPI 1376830364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · P9545

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedEmergency MedicineTaxonomy 207P00000X · License P9545 (TX)

Also ListedHospitalistTaxonomy 208M00000X · License P9545 (TX)

1635 NORTH LOOP W, Houston, TX 77008

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Other Identifiers 1

Medicaid340396601TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ngan Thien Angie Dao D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002036415

PECOS Enrollment IDI20141007002566

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ngan Thien Dao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospital Medicine Services Of Tx, PLLC

190 mi

Hospitalist

7700 FLOYD CURL DR
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
681 clinicians in this Medicare group

NPI 1881392363 (210) 575-4000

Lonestar Hospital Medicine Associates, PA

214 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

Reassigned Medicare billing, Texas enrollment
994 clinicians in this Medicare group

NPI 1518237429 (682) 622-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

134 services60 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

114 services47 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

33 services33 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

18 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Houston Healthcare Northwest

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450638

Location710 Cypress Creek ParkwayHouston, TX 77090 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77008 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%51 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HYUNG J KIM MD

Anesthesiology