Affiliated with a Castle Connolly Top Hospital
Who is Dr. Alyesh, Internist in Calabasas, CA?
What languages does Dr. Alyesh speak?
Dr. Alyesh and their clinical team can communicate with patients in the following languages:
- English
What conditions does an Internist like Dr. Alyesh typically treat?
As an Internist, Dr. Alyesh diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Alyesh. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Primary Osteoarthritis in Right Knee
- Osteoarthritis
- Right Knee Arthritis
- Right Knee Degenerative Joint Disease
ICD-10 Codes:
- M1711: Unilateral primary osteoarthritis, right knee
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Low Sodium Levels
- Fluid and Electrolyte Balance
- Sodium
- Hyponatremia
- Low Blood Sodium
- Sodium Deficiency
ICD-10 Codes:
- E871: Hypo-osmolality and hyponatremia
What procedures does an Internist like Dr. Alyesh typically perform?
As an Internist, Dr. Alyesh performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Alyesh. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Total Knee Replacement
- Knee Replacement
- Total Knee Arthroplasty
- Knee Joint Replacement
- Full Knee Replacement
- TKA Surgery
CPT Codes:
- 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)
Also known as:
- Total Hip Replacement
- Hip Replacement
- Hip arthroplasty
- Artificial hip surgery
- Hip joint replacement
- Femoral head replacement
CPT Codes:
- 27130: Arthroplasty, acetabular and proximal femoral prosthetic replacement (total hip arthroplasty), with or without autograft or allograft
Also known as:
- Computer-Assisted Orthopedic Surgery Guidance
- Image-Guided Orthopedic Surgery
- Navigational Orthopedic Procedure
- Computer-Guided Bone Surgery
- Fluoroscopic-Guided Orthopedic Surgery
CPT Codes:
- 0054T: Computer-assisted musculoskeletal surgical navigational orthopedic procedure, with image-guidance based on fluoroscopic images (List separately in addition to code for primary procedure)
Does Dr. Alyesh accept my insurance?
Dr. Alyesh accepts most major insurance plans. Important: Please call our office at (818) 688-5199 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Alyesh accept in Calabasas, CA?
Dr. Alyesh in Calabasas, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
AllCare Health
Centene Corporation
City of Los Angeles
Humana
Medicare
OptumRx Administered Payer
Other Health Care Provider
Preferred IPA
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Alyesh's office located?
Dr. Nathan Alyesh's Primary Practice
23622 Calabasas Rd Ste 122
Calabasas, CA 91302
(818) 688-5199
What hospitals are Dr. Alyesh affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Alyesh has admitting privileges at the following hospitals:

Ranked ObGyn Surgery
Ranked in 2 Procedures
What is Dr. Alyesh's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Alyesh's National Provider Identifier (NPI) number is 1417362856.
What common questions do patients ask about Dr. Alyesh?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Alyesh
What is Dr. Nathan Alyesh's specialty?
What does an Internist do?
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.