Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ARI AHRON UCAR
NPI 1689203531
Internal Medicine in Los Angeles, CA

Q: What is Ari Ucar's NPI number?

The NPI number for Ari Ucar is 1689203531. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Q: What is Ari Ucar'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 Ari Ucar was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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 03, 2020PECOS EnrolledAccepts Medicare Assignment

1680 E 120TH ST, LOS ANGELES, CA 90059(424) 338-8000 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Jul 30, 2024, Apr 21, 2020 and 1 more (4 updates tracked since 2020).

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About Dr. Ari Ahron Ucar NPPES

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

DR. ARI AHRON UCAR (NPI 1689203531) is an individual internal medicine provider in Los Angeles, California, licensed in California (A185901) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1689203531

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. ARI AHRON UCAR

Location Address1680 E 120TH STLos Angeles, CA 90059-3026

Mailing Address1680 E 120th StLos Angeles, CA 90059-3026 · (424) 338-8000

Phone(424) 338-8000

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateApril 3, 2020

Last NPPES UpdateJuly 8, 20264 updates tracked since enumeration

NPPES CertifiedJuly 8, 2026

✔ NPI 1689203531 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 · A185901

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.

1680 E 120TH ST, Los Angeles, CA 90059

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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. Ari Ahron Ucar 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 ID5890153399

PECOS Enrollment IDI20230615000204

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 5

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.

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.

144 services81 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

129 services77 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

91 services88 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.

26 services26 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90059 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.

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.

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