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DR. ROSLYN MIANGLEE CHAISANGUANTHUM M.D.
NPI 1174726954
Specialist in Sylmar, CA

Active since June 07, 2007PECOS EnrolledAccepts Medicare Assignment
14445 OLIVE VIEW DR, ROOM 2B-182, SYLMAR, CA 91342(818) 364-3205 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 3, 2026, Oct 14, 2021 (2 updates tracked since 2021).

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 a secondary practice location in Seattle, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1174726954
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameDR. ROSLYN MIANGLEE CHAISANGUANTHUMCredential: M.D.
Location Address14445 OLIVE VIEW DR, ROOM 2B-182Sylmar, CA 91342-1437
Mailing Address11356 Missouri AveLos Angeles, CA 90025-5554 · (626) 378-2209
Phone(818) 364-3205
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJune 7, 2007
Last NPPES UpdateFebruary 3, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1174726954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A84781
Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD70065738 (WA)
14445 OLIVE VIEW DR, Sylmar, CA 91342
Open in Google Maps ↗

Secondary Practice Location 1

Location 1201 16th Ave ESeattle, WA 98112-5226 · Phone (206) 326-3000 · Fax (877) 515-2975

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID840379236
PECOS Enrollment IDI20080509000700
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

DAVIN ANTHONY AGUSTINES DO
Psychiatry & Neurology (Psychiatry)
14445 OLIVE VIEW DR, ROOM 6D129
SYLMAR, CA 91342
Los Angeles County (818) 364-4304
DR. STANLEY KWAN DEA M.D.
Specialist
14445 OLIVE VIEW DR, ROOM 2B-182
SYLMAR, CA 91342
Los Angeles County (818) 364-3205
COUNTY OF LOS ANGELES AUDITOR CONTROLLER
General Acute Care Hospital
14445 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. RONALD LEE KORETZ MD
Internal Medicine (Gastroenterology)
14445 OLIVE VIEW DR, DEPT MEDICINE OLIVE VIEW UCLA MEDICAL CENTER
SYLMAR, CA 91342
Los Angeles County (818) 364-3205
SHEBA KOBRA MEYMANDI MD
Internal Medicine (Cardiovascular Disease)
14445 OLIVE VIEW DR, RM 2C 121 OLIVE VIEW UCLA MEDICAL CENTER
SYLMAR, CA 91342
Los Angeles County (818) 364-4289
FREDRIC M ADLER MD
Internal Medicine
14445 OLIVE VIEW DR, OLIVE VIEW UCLA MED CTR
SYLMAR, CA 91342
Los Angeles County (818) 364-3205
DR. TIM Y YUEN MD
Anesthesiology
14445 OLIVE VIEW DR, DEPT OF ANESTHESIOLOGY RM#3A115
SYLMAR, CA 91342
Los Angeles County (310) 709-7886
MR. ARISTIDES ANTONIO ORUE NP
Nurse Practitioner
14445 OLIVE VIEW DR, DEPARTMENT EMERGENCY MEDICINE
SYLMAR, LA 91342
Los Angeles County (818) 364-4825

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.

When was this NPI record last updated?

The NPPES record for Roslyn Chaisanguanthum was last updated on February 3, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.