ROBERTS NGAN SUGERMAN, A MEDICAL GROUP, INC.
NPI 1386743177
Internal Medicine in Los Angeles, CA
About Roberts Ngan Sugerman, A Medical Group, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERTS NGAN SUGERMAN, A MEDICAL GROUP, INC. (NPI 1386743177) is a healthcare organization registered as an internal medicine in Los Angeles, California and active in the NPI registry since September 2006. The organization holds a CLIA Waiver certificate valid through August 6, 2028 and lists George Gee Sheung Ngan, Secretary Treasurer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Roberts Ngan Sugerman, A Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Roberts Ngan Sugerman, A Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Los Angeles, CA 90057
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 05D2152262
Roberts Ngan Sugerman Med Grp · 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 Roberts Ngan Sugerman, A Medical Group, Inc.'s NPI number?
The NPI number for Roberts Ngan Sugerman, A Medical Group, Inc. is 1386743177. It was assigned to this organization in the NPPES registry on September 21, 2006.
Where is Roberts Ngan Sugerman, A Medical Group, Inc. located?
Roberts Ngan Sugerman, A Medical Group, Inc. is located at 201 S Alvarado St #717, Los Angeles, CA 90057. The listed phone number is (213) 989-6959.
What is Roberts Ngan Sugerman, A Medical Group, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Roberts Ngan Sugerman, A Medical Group, Inc. enrolled in Medicare?
Yes. Roberts Ngan Sugerman, A Medical Group, Inc. is registered in the Medicare PECOS enrollment system.
When is Roberts Ngan Sugerman, A Medical Group, Inc.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Roberts Ngan Sugerman, A Medical Group, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Roberts Ngan Sugerman, A Medical Group, Inc., in Family Practice 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Roberts Ngan Sugerman, A Medical Group, Inc. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2152262) is associated with this NPI, valid through August 6, 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 Roberts Ngan Sugerman, A Medical Group, Inc. was last updated on June 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Roberts Ngan Sugerman, A Medical Group, Inc. · NPI 1386743177
Internal Medicine organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since September 21, 2006.
## Identity
- **NPI:** 1386743177 (Entity type: Organization)
- **Enumerated:** September 21, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** George Ngan, SECRETARY TREASURER
## Practice location
- **Address:** 201 S ALVARADO ST #717, Los Angeles, CA 90057-2390
- **Phone:** (213) 989-6959 · **Fax:** (213) 989-2012
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (1), Internal Medicine (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 29, 2010
- **Other identifiers:** Medicaid GR0089390 (CA); Medicare ID-Type Unspecified W15127
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1386743177) · Data from the CMS NPPES public registry.