DR. KOUROSH KHAMOOSHIAN MD
NPI 1659523975
Internal Medicine in La Mesa, CA

Q: What is Kourosh Khamooshian's NPI number?

The NPI number for Kourosh Khamooshian is 1659523975. It was assigned to this individual provider in the NPPES registry on October 17, 2008.

Q: What is Kourosh Khamooshian's specialty?

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

Active since October 17, 2008PECOS EnrolledAccepts Medicare Assignment

84.3/100

CMS Quality Rating

5565 GROSSMONT CENTER DR STE 444, LA MESA, CA 91942(888) 475-6662(858) 408-3844 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 1, 2025, Jul 30, 2024, Jan 14, 2021 (3 updates tracked since 2021).

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About Dr. Kourosh Khamooshian Md NPPES

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

DR. KOUROSH KHAMOOSHIAN MD (NPI 1659523975) is an individual internal medicine provider in La Mesa, California, licensed in California (A110901) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Mirage, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1659523975

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. KOUROSH KHAMOOSHIANCredential: MD

Location Address5565 GROSSMONT CENTER DR STE 444La Mesa, CA 91942-3020

Mailing Address5565 Grossmont Center Dr Ste 444La Mesa, CA 91942-3020 · (858) 603-6576 · Fax (858) 408-3844

Phone(888) 475-6662

Fax(858) 408-3844

Sole ProprietorYes

Medical School CMSOtherGraduated 1998

Enumeration DateOctober 17, 2008

Last NPPES UpdateJuly 1, 20253 updates tracked since enumeration

NPPES CertifiedJuly 1, 2025

✔ NPI 1659523975 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 · A110901

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 ListedHospitalistTaxonomy 208M00000X · License A110901 (CA)

5565 GROSSMONT CENTER DR STE 444, La Mesa, CA 91942

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Secondary Practice Location 1

Location 139000 Bob Hope DrRancho Mirage, CA 92270-3221 · Phone (760) 340-3911 ext. 7790 · Fax (760) 837-8956

Other Identifiers 2

OtherW14158CA · Ptan

OtherDJ1227CA · Ptan

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. Kourosh Khamooshian Md 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 ID9133253958

PECOS Enrollment IDI20130502000050

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 16

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.

380 services199 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.

317 services98 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.

301 services144 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.

282 services99 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.

259 services252 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

120 services82 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.

113 services51 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.

74 services49 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.

69 services68 patients

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.

47 services39 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

32 services32 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

29 services29 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.

24 services24 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

14 services14 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

12 services12 patients

Advance care planning, each additional 30 minutes 99498

Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.95

Promoting Interoperability

100

Improvement Activities

Cost

58.71

Reported Quality Measures

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

25%32 patients2/55-star benchmark: 88%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

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

DME-Oxygen and Supplies · category DC000N

1 supplier48 claims48 services$14.68 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier16 claims16 services$775.11 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier12 claims12 services$4.91 avg. paid by Medicare

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

DME-Oxygen and Supplies · category DC002N

2 suppliers50 claims50 services$70.54 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 2

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

KOUROSH KHAMOOSHIAN MD PC

Clinic/Center (Community Health)

5565 GROSSMONT CENTER DR STE 444
LA MESA, CA 91942

San Diego County (858) 373-9616

DR. NARGES BALUCH MD

Allergy & Immunology

5565 GROSSMONT CENTER DR STE 444
LA MESA, CA 91942

San Diego County (858) 226-8805

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 Kourosh Khamooshian's NPI number?

The NPI number for Kourosh Khamooshian is 1659523975. It was assigned to this individual provider in the NPPES registry on October 17, 2008.

Where is Kourosh Khamooshian located?

Kourosh Khamooshian practices at 5565 Grossmont Center Dr Ste 444, La Mesa, CA 91942. The listed phone number is (888) 475-6662.

What is Kourosh Khamooshian's specialty?

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

Is Kourosh Khamooshian enrolled in Medicare?

Yes. Kourosh Khamooshian 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 Kourosh Khamooshian was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.