DR. CATHERINE DAO M.D.
NPI 1376804567
Internal Medicine - Cardiovascular Disease in San Francisco, CA

Q: What is Catherine Dao's NPI number?

The NPI number for Catherine Dao is 1376804567. It was assigned to this individual provider in the NPPES registry on June 4, 2012.

Q: What is Catherine Dao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Catherine Dao was last updated on January 25, 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 June 04, 2012PECOS EnrolledAccepts Medicare Assignment

74.46/100

CMS Quality Rating

535 MISSION BAY BLVD S, SAN FRANCISCO, CA 94143(415) 353-2873(415) 502-8966 Get Directions Write a Review

NPPES record last updated: January 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 25, 2023, Jan 3, 2017 (2 updates tracked since 2017).

On this page

About Dr. Catherine Dao M.d. NPPES

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

DR. CATHERINE DAO M.D. (NPI 1376804567) is an individual cardiovascular disease provider in San Francisco, California, licensed in California (A103782) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Mateo, and is a graduate of Icahn School Of Medicine At Mount Sinai (2006).

NPPES Registry Identity

NPI1376804567

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameDR. CATHERINE DAOCredential: M.D.

Location Address535 MISSION BAY BLVD SSan Francisco, CA 94143-2156

Mailing Address535 Mission Bay Blvd SSan Francisco, CA 94143-2156 · (415) 353-2873 · Fax (415) 502-8966

Phone(415) 353-2873

Fax(415) 502-8966

Sole ProprietorNo

Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2006

Enumeration DateJune 4, 2012

Last NPPES UpdateJanuary 25, 20232 updates tracked since enumeration

NPPES CertifiedJanuary 25, 2023

✔ NPI 1376804567 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · A103782

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License A103782 (CA)

535 MISSION BAY BLVD S, San Francisco, CA 94143

Open in Google Maps ↗

Secondary Practice Location 1

Location 11100 Park Pl Ste 100San Mateo, CA 94403-7119 · Phone (415) 353-2873 · Fax (415) 353-2528

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. Catherine 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 ID2860713823

PECOS Enrollment IDI20150603001461

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

Regents Of The University Of California

2.9 mi

Endocrinology, Diabetes & Metabolism

1600 DIVISADERO ST
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
2,112 clinicians in this Medicare group

NPI 1235322348 (415) 353-9720

University Of California San Francisco

3.8 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

3.8 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

Washington Township Hospital District

27 mi

General Acute Care Hospital

2000 MOWRY AVE
Fremont, CA 94538

Reassigned Medicare billing, California enrollment
68 clinicians in this Medicare group

NPI 1679624407 (510) 797-1111

County Of Santa Clara

27 mi

Clinic/Center

2741 MIDDLEFIELD RD
Palo Alto, CA 94306

Reassigned Medicare billing, California enrollment
Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
2,460 clinicians in this Medicare group

NPI 1285228080 (408) 885-5000

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 16

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

281 services237 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.

245 services242 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

174 services136 patients

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

109 services108 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

90 services90 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.

86 services85 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.

65 services58 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

52 services52 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

45 services43 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

43 services43 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

43 services41 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

33 services33 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

28 services26 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

24 services24 patients

Heart muscle strain imaging 93356

20 services19 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

74.46/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Cost

46.68

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.

MRS. LARA KRISA HOYLE ELGIN FNP-BC, MPH

Nurse Practitioner (Family)