LESLIE BALLAS MD
NPI 1235388901
Radiology - Radiation Oncology in Los Angeles, CA

Q: What is Leslie Ballas's NPI number?

The NPI number for Leslie Ballas is 1235388901. It was assigned to this individual provider in the NPPES registry on September 17, 2008.

Q: What is Leslie Ballas's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Leslie Ballas was last updated on July 14, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 17, 2008PECOS EnrolledAccepts Medicare Assignment

1441 EASTLAKE AVE, NOR G-350, LOS ANGELES, CA 90089(323) 865-3050(323) 865-3000 Get Directions Write a Review

NPPES record last updated: July 14, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 14, 2022, Aug 24, 2020 (2 updates tracked since 2020).

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About Leslie Ballas Md NPPES

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

LESLIE BALLAS MD (NPI 1235388901) is an individual radiation oncology provider in Los Angeles, California, licensed in California (A111990) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of University Of Michigan Medical School (2003).

NPPES Registry Identity

NPI1235388901

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameLESLIE BALLASCredential: MD

Location Address1441 EASTLAKE AVE, NOR G-350Los Angeles, CA 90089-0112

Mailing Address4140 W 190th StTorrance, CA 90504-5513

Phone(323) 865-3050

Fax(323) 865-3000

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2003

Enumeration DateSeptember 17, 2008

Last NPPES UpdateJuly 14, 20222 updates tracked since enumeration

NPPES CertifiedJuly 14, 2022

✔ NPI 1235388901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A111990

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1441 EASTLAKE AVE, Los Angeles, CA 90089

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Secondary Practice Location 1

Location 18700 Beverly Blvd # Ac1010West Hollywood, CA 90048-1804 · Phone (310) 423-4208 · Fax (310) 659-3332

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

Leslie Ballas 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 ID8426182239

PECOS Enrollment IDI20110914000090

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 15

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

905 services61 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

192 services73 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

184 services64 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

104 services66 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

71 services66 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

69 services65 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.

62 services62 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

60 services57 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

57 services52 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

52 services51 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

20 services19 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.

19 services19 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.

15 services14 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

14 services13 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90089 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

$187.60 typical visit price

range $62.96 – $187.60

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

Most-billed visit code 99205

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.

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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.

DR. DANIELLE RENEE STERRENBERG M.D.

Internal Medicine (Hematology & Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-0563

EMILY ELIZABETH TALMICH PA-C

Physician Assistant (Surgical)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3700

DR. NEDA R BLACK M.D.

Dermatology

1441 EASTLAKE AVE, TOPPING TOWER, SUITE 3405
LOS ANGELES, CA 90089

Los Angeles County (818) 634-2514

STEPHANIE TIEMPO BITANGA NP-C

Nurse Practitioner (Acute Care)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3000

CARMEN LUCIA MARTINEZ MS,RD

Dietitian, Registered

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3893

DR. BURTON L. EISENBERG MD

Surgery (Surgical Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3535

DR. ERIC LEON TAM MD

Internal Medicine (Hematology & Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3105

DR. AKBAR ASHRAFI MD

Student in an Organized Health Care Education/Training Program

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (818) 877-5954

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 Leslie Ballas's NPI number?

The NPI number for Leslie Ballas is 1235388901. It was assigned to this individual provider in the NPPES registry on September 17, 2008.

Where is Leslie Ballas located?

Leslie Ballas practices at 1441 Eastlake Ave Nor G-350, Los Angeles, CA 90089. The listed phone number is (323) 865-3050.

What is Leslie Ballas's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Leslie Ballas enrolled in Medicare?

Yes. Leslie Ballas 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 Leslie Ballas was last updated on July 14, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.