JUSTIN YOUNGBIN RHEEM M.D.
NPI 1205246113
Internal Medicine in Los Angeles, CA

Q: What is Justin Rheem's NPI number?

The NPI number for Justin Rheem is 1205246113. It was assigned to this individual provider in the NPPES registry on April 30, 2014. The provider is also known as Young Rheem.

Q: What is Justin Rheem's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Justin Rheem was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 30, 2014PECOS EnrolledAccepts Medicare Assignment

505 S VIRGIL AVE, STE 106, LOS ANGELES, CA 90020(213) 381-3630(213) 674-7414 Get Directions Write a Review

NPPES record last updated: February 12, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 12, 2021, Nov 29, 2018, Mar 17, 2018 and 1 more (4 updates tracked since 2018).

On this page

About Justin Youngbin Rheem M.d. NPPES

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

JUSTIN YOUNGBIN RHEEM M.D. (NPI 1205246113) is an individual internal medicine provider in Los Angeles, California, licensed in California (A137983) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Loma Linda University School Of Medicine (2014).

NPPES Registry Identity

NPI1205246113

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJUSTIN YOUNGBIN RHEEMCredential: M.D.

Location Address505 S VIRGIL AVE, STE 106Los Angeles, CA 90020-1407

Mailing Address505 S Virgil Ave, Ste 106Los Angeles, CA 90020-1407 · (213) 381-3630 · Fax (213) 674-7414

Phone(213) 381-3630

Fax(213) 674-7414

Sole ProprietorYes

Medical School CMSLoma Linda University School Of MedicineGraduated 2014

Enumeration DateApril 30, 2014

Last NPPES UpdateFebruary 12, 20214 updates tracked since enumeration

NPPES CertifiedFebruary 12, 2021

✔ NPI 1205246113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A137983

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

505 S VIRGIL AVE, Los Angeles, CA 90020

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Other Names 1

Former Name (1)Young Rheem

Secondary Practice Location 1

Location 1505 S Virgil Ave Ste 102Los Angeles, CA 90020-1407 · Phone (213) 381-3630 · Fax (213) 381-3631

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Justin Youngbin Rheem 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 ID6800155839

PECOS Enrollment IDI20180118002371

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 Justin Rheem reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yonsei Medical Group, Inc.

Same address

Internal Medicine

505 S VIRGIL AVE STE 106
Los Angeles, CA 90020

Reassigned Medicare billing, California enrollment

NPI 1598351314 (213) 381-3630

Daniel Rheem MD Inc

Same address

Gastroenterology

505 S VIRGIL AVE, SUITE 102
Los Angeles, CA 90020

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Daniel Rheem, M.D., Inc.
3 clinicians in this Medicare group

NPI 1942623160 (213) 381-3630

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 14

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 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.

1,244 services255 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.

311 services23 patients

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.

218 services26 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

196 services25 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

115 services14 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

94 services17 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.

65 services65 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

62 services14 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.

57 services29 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

51 services36 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

28 services21 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

28 services11 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

18 services16 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90020 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.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

23 suppliers129 claims270 services$5.59 avg. paid by Medicare

Spring-powered device for lancet, each A4258

DME-Other DME · category DE000N

2 suppliers12 claims12 services$1.69 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

19 suppliers105 claims115 services$1.01 avg. paid by Medicare

For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500

DME-Orthotic Devices · category DF000N

5 suppliers28 claims56 services$59.58 avg. paid by Medicare

For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each A5512

DME-Orthotic Devices · category DF000N

5 suppliers28 claims168 services$25.08 avg. paid by Medicare

Home blood glucose monitor E0607

DME-Other DME · category DE017N

10 suppliers16 claims16 services$41.20 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 16

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

JAMELINE JEWELL PTA

Physical Therapy Assistant

505 S VIRGIL AVE
LOS ANGELES, CA 90020

Los Angeles County (213) 674-7699

GRAND GI & ENDOSCOPY GROUP, INC.

Clinic/Center (Endoscopy)

505 S VIRGIL AVE, SUITE 104
LOS ANGELES, CA 90020

Los Angeles County (213) 381-3590

DR. CHARLES CHO M.D.

Internal Medicine (Nephrology)

505 S VIRGIL AVE, STE. 301
LOS ANGELES, CA 90020

Los Angeles County (213) 674-8282

WESTWOOD MEDICAL GROUP,INC.

Internal Medicine (Rheumatology)

505 S VIRGIL AVE, SUITE 208
LOS ANGELES, CA 90020

Los Angeles County (213) 739-0007

HYO-RANG LEE M.D.,PH.D

Internal Medicine (Gastroenterology)

505 S VIRGIL AVE, SUITE 208
LOS ANGELES, CA 90020

Los Angeles County (213) 739-0007

DAE SOON RHEEM M.D.

Internal Medicine (Gastroenterology)

505 S VIRGIL AVE, SUITE 102
LOS ANGELES, CA 90020

Los Angeles County (213) 381-3630

SONWOO LEE MD

Internal Medicine (Rheumatology)

505 S VIRGIL AVE, SUITE 208
LOS ANGELES, CA 90020

Los Angeles County (213) 739-0007

DANIEL RHEEM M.D., INC.

Internal Medicine (Gastroenterology)

505 S VIRGIL AVE, SUITE 102
LOS ANGELES, CA 90020

Los Angeles County (213) 381-3630

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 Justin Rheem's NPI number?

The NPI number for Justin Rheem is 1205246113. It was assigned to this individual provider in the NPPES registry on April 30, 2014. The provider is also known as Young Rheem.

Where is Justin Rheem located?

Justin Rheem practices at 505 S Virgil Ave Ste 106, Los Angeles, CA 90020. The listed phone number is (213) 381-3630.

What is Justin Rheem's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Justin Rheem enrolled in Medicare?

Yes. Justin Rheem 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 organizations bill Medicare for Justin Rheem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Rheem reassigns Medicare benefits to 2 organizations: Yonsei Medical Group, Inc. (Los Angeles, CA) and Daniel Rheem MD Inc (Los Angeles, CA). Each 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 Justin Rheem'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 Justin Rheem was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.