SUSAN CLASTER MD
NPI 1659471829
Internal Medicine - Hematology in Los Angeles, CA
About Susan Claster Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN CLASTER MD (NPI 1659471829) is an individual hematology provider in Los Angeles, California, licensed in California (G036171) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses
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
Susan Claster 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 Reassignments
4Medicare enrollment records show Susan Claster reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 9 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90059 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Susan Claster's NPI number?
The NPI number for Susan Claster is 1659471829. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Susan Claster located?
Susan Claster practices at 1670 E 120th St, Los Angeles, CA 90059. The listed phone number is (424) 338-2801.
What is Susan Claster's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Susan Claster enrolled in Medicare?
Yes. Susan Claster 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 organizations bill Medicare for Susan Claster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Claster reassigns Medicare benefits to 4 organizations: County Of Los Angeles (Los Angeles, CA), Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), Uc Regents (Orange, CA) and Center For Comprehensive Care & Diagnosis Of Inherited Blood Disorders (Orange, CA). Each 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 Susan Claster'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 Susan Claster was last updated on December 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Susan Claster, MD · NPI 1659471829
Hematology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1659471829 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** G036171 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1670 E 120TH ST, Los Angeles, CA 90059-3026
- **Phone:** (424) 338-2801
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles (NPI 1780877613, Los Angeles, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Uc Regents (NPI 1003864174, Orange, CA); Center For Comprehensive Care & Diagnosis Of Inherited Blood Disorders (NPI 1679875942, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 1976
## Record status
- **NPPES last updated:** December 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659471829) · Data from the CMS NPPES public registry.