DR. ROSLYN MIANGLEE CHAISANGUANTHUM M.D.
NPI 1174726954
Specialist in Sylmar, CA
About Dr. Roslyn Mianglee Chaisanguanthum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROSLYN MIANGLEE CHAISANGUANTHUM M.D. (NPI 1174726954) is an individual specialist in Sylmar, California, licensed in California (A84781) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Dr. Roslyn Mianglee Chaisanguanthum M.d. 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
3Medicare enrollment records show Roslyn Chaisanguanthum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clarita, CA 91387
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Renton, WA 98057
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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.
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.
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
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 Roslyn Chaisanguanthum's NPI number?
The NPI number for Roslyn Chaisanguanthum is 1174726954. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Roslyn Chaisanguanthum located?
Roslyn Chaisanguanthum practices at 14445 Olive View Dr Room 2b-182, Sylmar, CA 91342. The listed phone number is (818) 364-3205.
What is Roslyn Chaisanguanthum's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Roslyn Chaisanguanthum enrolled in Medicare?
Yes. Roslyn Chaisanguanthum 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 Roslyn Chaisanguanthum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roslyn Chaisanguanthum reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Santa Clarita, CA), Kaiser Foundation Health Plan Of Washington (Renton, WA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Roslyn Chaisanguanthum'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 Roslyn Chaisanguanthum was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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. Roslyn Mianglee Chaisanguanthum, M.D. · NPI 1174726954
Specialist provider in Sylmar, California. Individual provider, active in the CMS NPPES registry since June 7, 2007.
## Identity
- **NPI:** 1174726954 (Entity type: Individual)
- **Enumerated:** June 7, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** A84781 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14445 OLIVE VIEW DR, ROOM 2B-182, Sylmar, CA 91342-1437
- **Phone:** (818) 364-3205
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1316409410, Santa Clarita, CA); Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** September 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174726954) · Data from the CMS NPPES public registry.