1. Home
  2. Directory
  3. California
  4. Loma Linda
  5. Internal Medicine
  6. NPI Profile

YAS CASEY
NPI 1336568971
Internal Medicine in Loma Linda, CA

Active since April 10, 2014PECOS EnrolledAccepts Medicare Assignment
11201 BENTON ST # 2E37A, LOMA LINDA, CA 92357(909) 825-7084 Get Directions Write a Review

NPPES record last updated: January 30, 2020. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 30, 2020, Jan 15, 2020 (2 updates tracked since 2020).

About Yas Casey NPPES

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

YAS CASEY (NPI 1336568971) is an individual internal medicine provider in Loma Linda, California, licensed in California (A149800) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1336568971
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameYAS CASEY
Location Address11201 BENTON ST # 2E37ALoma Linda, CA 92357-2153
Mailing Address11201 Benton St # 2e37aLoma Linda, CA 92357-5334 · (909) 825-7084
Phone(909) 825-7084
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateApril 10, 2014
Last NPPES UpdateJanuary 30, 20202 updates tracked since enumeration
✔ NPI 1336568971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A149800
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
11201 BENTON ST # 2E37A, Loma Linda, CA 92357
Open in Google Maps ↗

Other Names 1

Former Name (1)Yassir Al-darwash

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

Yas Casey 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 ID6103128350
PECOS Enrollment IDI20221114000469
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 3

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 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.
297 services116 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.
108 services102 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
62 services61 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92357 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 Yas Casey's NPI number?

The NPI number for Yas Casey is 1336568971. It was assigned to this individual provider in the NPPES registry on April 10, 2014. The provider is also known as Yassir Al-Darwash.

Where is Yas Casey located?

Yas Casey practices at 11201 Benton St # 2e37a, Loma Linda, CA 92357. The listed phone number is (909) 825-7084.

What is Yas Casey's specialty?

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

Is Yas Casey enrolled in Medicare?

Yes. Yas Casey 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 Yas Casey was last updated on January 30, 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.