ARNOLD S BAAS MD
NPI 1720013717
Internal Medicine - Cardiovascular Disease in Los Angeles, CA

Q: What is Arnold Baas's NPI number?

The NPI number for Arnold Baas is 1720013717. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Arnold Baas'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 Arnold Baas was last updated on January 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 July 11, 2006PECOS EnrolledAccepts Medicare Assignment

87.12/100

CMS Quality Rating

100 UCLA MEDICAL PLZ STE 630, LOS ANGELES, CA 90024(310) 825-9011(310) 825-9012 Get Directions Write a Review

NPPES record last updated: January 6, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Arnold S Baas Md NPPES

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

ARNOLD S BAAS MD (NPI 1720013717) is an individual cardiovascular disease provider in Los Angeles, California, licensed in California (C51919) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1989).

NPPES Registry Identity

NPI1720013717

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameARNOLD S BAASCredential: MD

Location Address100 UCLA MEDICAL PLZ STE 630Los Angeles, CA 90024-6997

Mailing Address5767 W Century Blvd, Suite 400Los Angeles, CA 90045-5632

Phone(310) 825-9011

Fax(310) 825-9012

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1989

Enumeration DateJuly 11, 2006

Last NPPES UpdateJanuary 6, 2020

✔ NPI 1720013717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · C51919

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 C51919 (CA)

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License C51919 (CA)

100 UCLA MEDICAL PLZ STE 630, Los Angeles, CA 90024

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Other Identifiers 1

Medicaid00C519190CA

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

Arnold S Baas 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 ID8628009008

PECOS Enrollment IDI20050825000392

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 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 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.

704 services344 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.

491 services452 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.

322 services174 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.

322 services174 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.

306 services89 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.

301 services196 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

287 services53 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.

160 services40 patients

Evaluation of lower heart chamber assist device 93750

An evaluation of a lower heart chamber assist device is a procedure to check the function of an implanted device aiding your heart's lower chambers. This helps ensure optimal heart function by monitoring the device's performance and your heart's response to it.

90 services21 patients

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

87 services86 patients

Ultrasound of heart, follow-up 93308

74 services60 patients

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

74 services60 patients

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

74 services60 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.

42 services41 patients

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

36 services28 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.

36 services35 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.

30 services30 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

30 services30 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

25 services24 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

24 services24 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.

18 services18 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

17 services14 patients

Biopsy of heart muscle 93505

A biopsy of the heart muscle is a procedure where a small piece of heart tissue is taken for examination. This helps doctors identify heart diseases or abnormalities. The procedure involves inserting a thin tube through a vein and into the heart, under local anesthesia.

17 services12 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.

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

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

87.12/100

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

Individually scored

Quality

95.72

Improvement Activities

Cost

81.58

Referred Medical Equipment & Supplies CMS DME claims 8

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

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

27 suppliers168 claims14,052 services$0.32 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers38 claims5,550 services$0.01 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

15 suppliers103 claims18,600 services$0.20 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

6 suppliers16 claims2,040 services$0.90 avg. paid by Medicare

Sirolimus, oral, 1 mg J7520

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers38 claims847 services$2.50 avg. paid by Medicare

Everolimus, oral, 0.25 mg J7527

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers14 claims3,120 services$3.57 avg. paid by Medicare

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

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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.

MARIA GULTOM

Internal Medicine (Cardiovascular Disease)