DR. RHEEM'S GASTROENTEROLOGY CLINIC
NPI 1942623160
Internal Medicine - Gastroenterology in Los Angeles, CA
About Dr. Rheem's Gastroenterology Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RHEEM'S GASTROENTEROLOGY CLINIC (NPI 1942623160) is a healthcare organization registered as a gastroenterology in Los Angeles, California and active in the NPI registry since January 2014. The organization holds a CLIA Waiver certificate valid through April 7, 2028 and lists Dae Soon Rheem, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Rheem's Gastroenterology Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Dr. Rheem's Gastroenterology Clinic, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D2075921
Dr. Rheem's Gastroenterology Clinic · Los Angeles, CAFrequently 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 Daniel Rheem MD Inc's NPI number?
The NPI number for Daniel Rheem MD Inc is 1942623160. It was assigned to this organization in the NPPES registry on January 23, 2014. The provider is doing business as Dr. Rheem's Gastroenterology Clinic.
Where is Daniel Rheem MD Inc located?
Daniel Rheem MD Inc is located at 505 S Virgil Ave Suite 102, Los Angeles, CA 90020. The listed phone number is (213) 381-3630.
What is Daniel Rheem MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Daniel Rheem MD Inc enrolled in Medicare?
Yes. Daniel Rheem MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Daniel Rheem MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Daniel Rheem MD Inc, in Gastroenterology and Internal Medicine. A 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 the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Daniel Rheem MD Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2075921) is associated with this NPI, valid through April 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Daniel Rheem MD Inc was last updated on January 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Rheem's Gastroenterology Clinic · NPI 1942623160
Gastroenterology organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since January 23, 2014.
## Identity
- **NPI:** 1942623160 (Entity type: Organization)
- **Enumerated:** January 23, 2014
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Legal business name:** Daniel Rheem Md Inc
- **Organization subpart:** No
- **Authorized official:** Dae Rheem, PRESIDENT
## Practice location
- **Address:** 505 S VIRGIL AVE, SUITE 102, Los Angeles, CA 90020-1406
- **Phone:** (213) 381-3630
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (2), Gastroenterology (1); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 23, 2014
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1942623160) · Data from the CMS NPPES public registry.