ISAAC WIENER MD
NPI 1427041078
Internal Medicine - Clinical Cardiac Electrophysiology in Los Angeles, CA

Q: What is Isaac Wiener's NPI number?

The NPI number for Isaac Wiener is 1427041078. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Isaac Wiener's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Isaac Wiener was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 August 30, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

10921 WILSHIRE BLVD STE 1205, LOS ANGELES, CA 90024(310) 824-3378(310) 208-2870 Get Directions Write a Review

NPPES record last updated: August 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2022, Mar 11, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2016).

On this page

About Isaac Wiener Md NPPES

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

ISAAC WIENER MD (NPI 1427041078) is an individual clinical cardiac electrophysiology provider in Los Angeles, California, licensed in California (G46722) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Encino, and is a graduate of Harvard Medical School (1974).

NPPES Registry Identity

NPI1427041078

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameISAAC WIENERCredential: MD

Location Address10921 WILSHIRE BLVD STE 1205Los Angeles, CA 90024-4005

Mailing Address16542 Ventura Blvd Ste 402Encino, CA 91436-4562 · (818) 782-5041 · Fax (818) 205-9091

Phone(310) 824-3378

Fax(310) 208-2870

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1974

Enumeration DateAugust 30, 2005

Last NPPES UpdateAugust 12, 20224 updates tracked since enumeration

NPPES CertifiedAugust 12, 2022

✔ NPI 1427041078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in CA · G46722

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License G46722 (CA)

10921 WILSHIRE BLVD STE 1205, Los Angeles, CA 90024

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Secondary Practice Location 1

Location 116542 Ventura Blvd Ste 402Encino, CA 91436-4562 · Phone (818) 782-5041 · Fax (818) 205-9091

Other Identifiers 1

Medicaid00G467220CA

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

Isaac Wiener Md 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 ID7416983853

PECOS Enrollment IDI20100224000236

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 Reassignment

Medicare enrollment records show Isaac Wiener reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Consultants Medical Group

Same address

Cardiovascular Disease

10921 WILSHIRE BLVD STE 1205
Los Angeles, CA 90024

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

NPI 1669664090 (310) 824-3378

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 32

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.

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

1,194 services218 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.

1,014 services521 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.

917 services518 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

565 services237 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

471 services197 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.

362 services329 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.

260 services65 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

242 services99 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.

184 services33 patients

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.

178 services131 patients

Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93241

This procedure involves wearing a device for up to 7 days to continuously record your heart's electrical activity. The data collected helps in understanding your heart's rhythm and detecting irregularities if any. The results are then analyzed, reported, and interpreted by experts.

165 services155 patients

Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries A9555

Rubidium Rb-82 is a radioactive drug used in a PET scan to help visualize the heart. It helps detect areas with poor blood flow, aiding in diagnosing heart conditions. The dose is up to 60 millicuries per study.

130 services65 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

117 services75 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.

117 services86 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

93 services41 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

68 services18 patients

Nuclear medicine study of heart muscle blood flow by pet 78434

A nuclear medicine study of heart muscle blood flow by PET is a non-invasive test that uses a small amount of radioactive substance to create detailed images of your heart's blood flow and function. It helps assess heart health and diagnose heart conditions.

65 services65 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress 78492

Nuclear medicine studies help visualize blood flow in your heart at rest and during stress. A small amount of radioactive substance is injected, which your heart absorbs. Images are then taken to assess your heart's health and function.

65 services65 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.

64 services64 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) 93017

An exercise or drug-induced heart stress test with an ECG checks how your heart responds to stress. You'll either exercise on a treadmill or be given medication to stress your heart. An ECG then captures your heart's activity, helping detect any issues.

63 services63 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.

62 services62 patients

Evaluation of implantable heart and blood vessel monitoring system 93290

An evaluation of an implantable heart and blood vessel monitoring system involves checking the device that's placed inside your body to monitor your heart and blood vessels' health. It helps doctors track your heart rate, rhythm, and blood flow, aiding in prompt, accurate treatment.

55 services26 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

48 services47 patients

Programming of single lead implantable defibrillator system 93282

Programming of a single lead implantable defibrillator system involves setting up and adjusting a device implanted in your body. This device helps regulate your heartbeat. It can detect irregular heart rhythms and provide corrective electric shocks to restore a normal heartbeat.

43 services23 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

38 services34 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.

26 services25 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.

24 services24 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

23 services23 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

22 services22 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

22 services22 patients

Heart rhythm recording, analysis, interpretation and report of continous external ekg over more than 1 week up to 1 weeks 93245

This procedure involves wearing a device that records your heart's activity for over a week. It helps to identify irregular heart rhythms and understand your heart health better. The collected data is then analyzed, interpreted, and reported by a medical professional.

14 services14 patients

Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 93224

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90024 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

75/100

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

Individually scored

Other Providers at the Same Location NPPES

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

CARDIOVASCULAR CONSULTANTS MEDICAL GROUP

Internal Medicine (Cardiovascular Disease)

10921 WILSHIRE BLVD STE 1205
LOS ANGELES, CA 90024

Los Angeles County (310) 824-3378

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 Isaac Wiener's NPI number?

The NPI number for Isaac Wiener is 1427041078. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Isaac Wiener located?

Isaac Wiener practices at 10921 Wilshire Blvd Ste 1205, Los Angeles, CA 90024. The listed phone number is (310) 824-3378.

What is Isaac Wiener's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Isaac Wiener enrolled in Medicare?

Yes. Isaac Wiener 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 organization bills Medicare for Isaac Wiener's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Wiener reassigns Medicare benefits to Cardiovascular Consultants Medical Group (Los Angeles, CA). The 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 Isaac Wiener's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isaac Wiener was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.