TIMOTHY DUY DAO M.D.
NPI 1407029689
Internal Medicine - Interventional Cardiology in Plano, TX

Q: What is Timothy Dao's NPI number?

The NPI number for Timothy Dao is 1407029689. It was assigned to this individual provider in the NPPES registry on April 8, 2008.

Q: What is Timothy Dao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Dao was last updated on May 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 April 08, 2008PECOS EnrolledAccepts Medicare Assignment

86.78/100

CMS Quality Rating

3801 W 15TH ST, BLDG B, SUITE 320, PLANO, TX 75075(972) 985-8838(844) 292-1457 Get Directions Write a Review

NPPES record last updated: May 19, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2023, Sep 23, 2022, Jan 26, 2016 (3 updates tracked since 2016).

On this page

About Timothy Duy Dao M.d. NPPES

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

TIMOTHY DUY DAO M.D. (NPI 1407029689) is an individual interventional cardiology provider in Plano, Texas, licensed in Texas (P3874) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and is a graduate of University Of Louisville School Of Medicine (2008).

NPPES Registry Identity

NPI1407029689

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameTIMOTHY DUY DAOCredential: M.D.

Location Address3801 W 15TH ST, BLDG B, SUITE 320Plano, TX 75075-4737

Mailing Address3801 W 15th St Ste 320Plano, TX 75075-7767 · (972) 985-8838 · Fax (844) 292-1457

Phone(972) 985-8838

Fax(844) 292-1457

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2008

Enumeration DateApril 8, 2008

Last NPPES UpdateMay 19, 20233 updates tracked since enumeration

NPPES CertifiedMay 19, 2023

✔ NPI 1407029689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in TX · P3874

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License P3874 (TX)

3801 W 15TH ST, Plano, TX 75075

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and more.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

Timothy Duy Dao M.d. 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 ID4789992652

PECOS Enrollment IDI20150928000704

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 Timothy Dao reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Heartplace, PLLC

Same address

Cardiac Rehabilitation

3801 W 15TH ST STE 320
Plano, TX 75075

Reassigned Medicare billing, Texas enrollment
Also billed through NPI 1245490747 (Texas)
35 clinicians in this Medicare group

NPI 1922832286 (972) 985-8838

Legacy Heartcare Of Dallas, LLC

1.6 mi

Cardiovascular Disease

4716 DEXTER DR STE 200
Plano, TX 75093

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

NPI 1144520503 (972) 490-9500

Cardiac Cath Lab Of Collin County, LP

2.1 mi

Multi-Specialty

5085 W PARK BLVD, SUITE 180A
Plano, TX 75093

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

NPI 1336596097 (469) 609-8280

Cardiac Cath Lab Of Dallas, LP

7.5 mi

Multi-Specialty

11970 N CENTRAL EXPY STE 610
Dallas, TX 75243

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

NPI 1790031037 (469) 232-9393

Legacy Heart Care Of North Dallas, LLC

9.4 mi

Cardiovascular Disease

7515 GREENVILLE AVE STE 1010
Dallas, TX 75231

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

NPI 1265150205 (469) 283-3300

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 24

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

387 services293 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

384 services224 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

329 services307 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.

218 services86 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

160 services157 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

131 services128 patients

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.

119 services34 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

102 services102 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

84 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

59 services56 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

47 services40 patients

Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451

This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.

44 services38 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

41 services40 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

38 services20 patients

Technetium tc-99m tetrofosmin, diagnostic, per study dose A9502

Technetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.

34 services30 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

33 services33 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

33 services31 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

30 services27 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

27 services27 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.

25 services25 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

24 services19 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

23 services18 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Medical City Plano

Acute Care Hospitals · Plano, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450651

Location3901 W 15th StPlano, TX 75075 · Collin County

Emergency services Birthing friendly

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450890

Location4700 Alliance BoulevardPlano, TX 75093 · Collin County

Emergency services

Baylor Scott & White The Heart Hospital - Plano

Acute Care Hospitals · Plano, TX

5/5 CMS rating

OwnershipProprietary

CMS Certification Number670025

Location1100 Allied DrivePlano, TX 75093 · Collin County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75075 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

86.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

82.84

Promoting Interoperability

100

Improvement Activities

Cost

64.14

Reported Quality Measures

Advance Care Plan

71%891 patients3/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

8%65 patients1/55-star benchmark: 87%

Controlling High Blood Pressure

80%656 patients4/55-star benchmark: 91%

Coronary Artery Disease (CAD): Angiotensin-Converting Enzyme (ACE) Inhibitor or Angiotensin Receptor Blocker (ARB) Therapy - Diabetes or Left Ventricular Systolic Dysfunction (LVEF <= 40%)

82%100 patients3/55-star benchmark: 100%

Coronary Artery Disease (CAD): Antiplatelet Therapy

77%333 patients3/55-star benchmark: 100%

Coronary Artery Disease (CAD): Beta-Blocker Therapy Prior Myocardial Infarction (MI) or Left Ventricular Systolic Dysfunction (LVEF <= 40%)

94%71 patients4/55-star benchmark: 99%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

95%175 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

91%2,602 patients4/55-star benchmark: 100%

e-Prescribing

99%910 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

1%671 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

25%1,133 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

29%821 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 89% · 771 patients

Patients screened: 92% · 771 patients

43%35 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

95%544 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

85%590 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 696 patients

Patients totalRate: 0% · 696 patients

0%696 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier49 claims49 services$18.05 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier63 claims112 services$34.80 avg. paid by Medicare

Injection, milrinone lactate, 5 mg J2260

Treatment-Injections and Infusions (nononcologic) · category RI026N

1 supplier63 claims499 services$1.29 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. GAUTAM BHIMIDI REDDY M.D.

Internal Medicine (Interventional Cardiology)

3801 W 15TH ST, BLDG B, SUITE 320
PLANO, TX 75075

Collin County (972) 985-8838

WEST PLANO OB GYN SPECIALISTS

Obstetrics & Gynecology

3801 W 15TH ST, SUITE 270
PLANO, TX 75075

Collin County (972) 964-5514

FOLASHADE LESTER, M.D. PA

Family Medicine

3801 W 15TH ST, 350-B
PLANO, TX 75075

Collin County (972) 867-9300

BETH VANDERHOFF ANGLIN M.D.

Surgery (Surgical Oncology)

3801 W 15TH ST, BLDG A, SUITE 210
PLANO, TX 75075

Collin County (214) 501-5427

DR. RAJJIT ABROL MD

Internal Medicine (Clinical Cardiac Electrophysiology)

3801 W 15TH ST, BLDG B, SUITE 320
PLANO, TX 75075

Collin County (972) 985-8838

TRACY C. WOEHL CRNA, P.C.

Nurse Anesthetist, Certified Registered

3801 W 15TH ST, SUITE 150
PLANO, TX 75075

Collin County (972) 543-2477

DR. MARC S PIENIEK MD

Internal Medicine (Cardiovascular Disease)

3801 W 15TH ST, BLDG B, SUITE 320
PLANO, TX 75075

Collin County (972) 985-8838

DAVID R STAGER SR. M.D.

Ophthalmology

3801 W 15TH ST, A-110
PLANO, TX 75075

Collin County (214) 281-1878

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Dao's NPI number?

The NPI number for Timothy Dao is 1407029689. It was assigned to this individual provider in the NPPES registry on April 8, 2008.

Where is Timothy Dao located?

Timothy Dao practices at 3801 W 15th St Bldg B, Suite 320, Plano, TX 75075. The listed phone number is (972) 985-8838.

What is Timothy Dao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Timothy Dao enrolled in Medicare?

Yes. Timothy Dao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Timothy Dao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Dao reassigns Medicare benefits to 5 organizations: Heartplace, PLLC (Plano, TX), Legacy Heartcare Of Dallas, LLC (Plano, TX), Cardiac Cath Lab Of Collin County, LP (Plano, TX), Cardiac Cath Lab Of Dallas, LP (Dallas, TX) and Legacy Heart Care Of North Dallas, LLC (Dallas, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Dao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Dao accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Timothy Dao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Timothy Dao affiliated with any hospitals?

According to CMS data, Timothy Dao is affiliated with Medical City Plano, Baylor Scott & White Medical Center Plano and Baylor Scott & White The Heart Hospital - Plano.

When was this NPI record last updated?

The NPPES record for Timothy Dao was last updated on May 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.