CAROLYN L. KALOOSTIAN MD
NPI 1023300019
Family Medicine - Geriatric Medicine in Los Angeles, CA
About Carolyn L. Kaloostian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN L. KALOOSTIAN MD (NPI 1023300019) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (A114172) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Carolyn L. Kaloostian 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.
Medicare Billing Reassignment
Medicare enrollment records show Carolyn Kaloostian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Carolyn Kaloostian's NPI number?
The NPI number for Carolyn Kaloostian is 1023300019. It was assigned to this individual provider in the NPPES registry on May 9, 2011.
Where is Carolyn Kaloostian located?
Carolyn Kaloostian practices at 1520 San Pablo St 1st Floor, Los Angeles, CA 90033. The listed phone number is (323) 442-5900.
What is Carolyn Kaloostian's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.
Is Carolyn Kaloostian enrolled in Medicare?
Yes. Carolyn Kaloostian 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.
Which organization bills Medicare for Carolyn Kaloostian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Kaloostian reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carolyn Kaloostian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Carolyn Kaloostian was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carolyn L. Kaloostian, MD · NPI 1023300019
Geriatric Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 9, 2011.
## Identity
- **NPI:** 1023300019 (Entity type: Individual)
- **Enumerated:** May 9, 2011
- **Primary specialty:** Family Medicine - Geriatric Medicine · taxonomy 207QG0300X
- **State license:** A114172 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 SAN PABLO ST, 1ST FLOOR, Los Angeles, CA 90033-5310
- **Phone:** (323) 442-5900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** November 27, 2023
- **Other identifiers:** Other A114172 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023300019) · Data from the CMS NPPES public registry.