DR. KIOUMARS BOLOURIAN KASHI MD
NPI 1851700132
Internal Medicine in Tarzana, CA

Active since August 12, 2014PECOS EnrolledAccepts Medicare Assignment
18321 CLARK ST, TARZANA, CA 91356(818) 823-8911(310) 423-8441 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 12, 2025, Sep 29, 2024 (2 updates tracked since 2024).

About Dr. Kioumars Bolourian Kashi Md NPPES

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

DR. KIOUMARS BOLOURIAN KASHI MD (NPI 1851700132) is an individual internal medicine provider in Tarzana, California, licensed in California (A150087) and active in the NPI registry since August 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oxnard, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1851700132
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KIOUMARS BOLOURIAN KASHICredential: MD
Location Address18321 CLARK STTarzana, CA 91356-3501
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Fax(310) 423-8441
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 12, 2014
Last NPPES UpdateAugust 12, 20252 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
NPI 1851700132 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 · A150087
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.

18321 CLARK ST, Tarzana, CA 91356

Secondary Practice Location 1

Location 11600 N Rose AveOxnard, CA 93030-3722 · Phone (805) 988-2505 · Fax (805) 988-2502

Medicare Participation & PECOS Enrollment Status

Kioumars Bolourian Kashi is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Kioumars Bolourian Kashi is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5496083438

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20190828003491

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Oxygen and Supplies (DC000N)

    Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)

    3 DME suppliers used 51 Medicare Claims 51 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    3 DME suppliers used 51 Medicare Claims 51 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Advance care planning, first 30 minutes

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.

This service was performed 20 times for 20 patients

Hospital discharge day management, more than 30 minutes

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.

This service was performed 151 times for 142 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes

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.

This service was performed 103 times for 102 patients

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

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.

This service was performed 138 times for 73 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

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.

This service was performed 512 times for 183 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 91356 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $142.39
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $35.59
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Neonatal)
18321 CLARK ST
TARZANA, CA 91356
Pediatrics
18321 CLARK ST
TARZANA, CA 91356
Pediatrics (Neonatal-Perinatal Medicine)
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Radiology (Diagnostic Radiology)
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Anesthesiology
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851700132, enumerated as an "individual" on August 12, 2014.

The provider is located at 18321 CLARK ST TARZANA, CA 91356 and the phone number is (818) 823-8911.

Internal Medicine with taxonomy code 207R00000X.