DR. HENNESSEY TSENG M.D.
NPI 1003811746
Internal Medicine - Cardiovascular Disease in Walnut Creek, CA

Active since June 17, 2005PECOS EnrolledAccepts Medicare Assignment
85.73/100
CMS Quality Rating
1450 TREAT BLVD, SUITE 220B, WALNUT CREEK, CA 94597(925) 937-1770(925) 937-0630 Get Directions Write a Review

NPPES record last updated: August 11, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Hennessey Tseng M.d. NPPES

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

DR. HENNESSEY TSENG M.D. (NPI 1003811746) is an individual cardiovascular disease provider in Walnut Creek, California, licensed in California (G86069) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (1995).

NPPES Registry Identity

NPI1003811746
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. HENNESSEY TSENGCredential: M.D.
Location Address1450 TREAT BLVD, SUITE 220BWalnut Creek, CA 94597-2168
Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850
Fax(925) 937-0630
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 1995
Enumeration DateJune 17, 2005
Last NPPES UpdateAugust 11, 2015
NPI 1003811746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · G86069
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.

1450 TREAT BLVD, Walnut Creek, CA 94597

Other Identifiers 3

OtherP01474566CA · Railroad Medicare
Medicare UPINH40920CA
Medicare PINCA114508CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Hennessey Tseng 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 ID2264434208
PECOS Enrollment IDI20080728000347
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.

Areas of Expertise CMS Part B claims 34

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.
1,149 services954 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.
938 services623 patients
Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297
This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.
421 services72 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.
382 services340 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.
368 services234 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.
246 services245 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94597 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.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.68
Promoting Interoperability99
Improvement Activities40
Cost70.58

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture
Lower rates are better for this measure.
6%71 patients
Breast Cancer Screening
79%304 patients4/55-star benchmark: 93%
Cervical Cancer Screening
59%226 patients3/55-star benchmark: 98%
Colorectal Cancer Screening
64%783 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
79%712 patients4/55-star benchmark: 91%
Coronary Artery Disease (CAD): Beta-Blocker Therapy Prior Myocardial Infarction (MI) or Left Ventricular Systolic Dysfunction (LVEF <= 40%)
94%32 patients4/55-star benchmark: 99%
Diabetes: Eye Exam
24%182 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
26%182 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
98%3,227 patients4/55-star benchmark: 100%
e-Prescribing
99%991 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
57%1,406 patients3/55-star benchmark: 100%
HIV Screening
26%601 patients2/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
46%1,896 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
47%1,413 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 97% · 645 patients
95%645 patients
Provide Patients Electronic Access to Their Health Information
100%768 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
86%1,069 patients4/55-star benchmark: 91%
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.

Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Internal Medicine
1450 TREAT BLVD, SUITE 120A
WALNUT CREEK, CA 94597
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, STE 160
WALNUT CREEK, CA 94597

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 Hennessey Tseng's NPI number?

The NPI number for Hennessey Tseng is 1003811746. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Where is Hennessey Tseng located?

Hennessey Tseng practices at 1450 Treat Blvd Suite 220B, Walnut Creek, CA 94597. The listed phone number is (925) 937-1770.

What is Hennessey Tseng's specialty?

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

Is Hennessey Tseng enrolled in Medicare?

Yes. Hennessey Tseng 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.

When was this NPI record last updated?

The NPPES record for Hennessey Tseng was last updated on August 11, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.