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M-S SURGERY CENTER LLC
NPI 1831109875
Clinic/Center - Ambulatory Surgical in Lynwood, CA

Active since August 09, 2006CLIA 05D0866141 · Waiver
3510 MARTIN LUTHER KING JR BLVD, LYNWOOD, CA 90262(310) 638-9391(310) 603-8749 Get Directions Write a Review

NPPES record last updated: March 17, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About M-s Surgery Center Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

M-S SURGERY CENTER LLC (NPI 1831109875) is a healthcare organization registered as an ambulatory surgical in Lynwood, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Hanna John Shammas, Owner, as its authorized official.

NPPES Registry Identity

NPI1831109875
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameM-S SURGERY CENTER LLC
Location Address3510 MARTIN LUTHER KING JR BLVDLynwood, CA 90262-2010
Mailing Address3510 Martin Luther King Jr BlvdLynwood, CA 90262-2010 · (310) 638-9391 · Fax (310) 603-8749
Phone(310) 638-9391
Fax(310) 603-8749
Organization SubpartNo
Authorized OfficialHanna John ShammasOwner · (310) 638-9391
Enumeration DateAugust 9, 2006
Last NPPES UpdateMarch 17, 2009
✔ NPI 1831109875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
License✔ Licensed in CA · S551041
3510 MARTIN LUTHER KING JR BLVD, Lynwood, CA 90262
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedS551041CA
MedicaidSUR51041GCA
Medicare PINS551041ACA

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)

M-s Surgery Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 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.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20071210000678Non-DME Part B · Ambulatory Surgical CenterDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to M-S Surgery Center LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Thanh-Thao Vu, MD
Ophthalmology
NPI 1912565144
3510 MARTIN LUTHER KING JR BLVD
Lynwood, CA 90262
(310) 635-7550
✔ PECOS✔ Accepts MedicareSame address
Huy Ly, M.D.
Ophthalmology
NPI 1659735835
5901 E 7TH ST
Long Beach, CA 90822
(562) 826-8000
✔ PECOS12 mi
Renu Jivrajka, M.D,
Ophthalmology
NPI 1144452152
100 STEIN PLZ
Los Angeles, CA 90095
(310) 825-3090
✔ PECOS✔ Accepts Medicare16 mi

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 05D0866141

M/S Surgery Center, LLC · Lynwood, CA
Active · expires Aug 31, 2028
CLIA Number05D0866141
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorHanna F. Shammas, MD
Laboratory Phone(310) 638-9391
Laboratory LocationM/S Surgery Center, LLC3510 Martin Luther King Jr Blvd, Lynwood, CA 90262
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
69 services50 patients
Creation of eye fluid drainage tracts in iris using a laser, per session 66761
This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.
18 services11 patients
Removal of recurring cataract in lens capsule using a laser 66821
This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.
18 services14 patients

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 M-S Surgery Center LLC's NPI number?

The NPI number for M-S Surgery Center LLC is 1831109875. It was assigned to this organization in the NPPES registry on August 9, 2006.

Where is M-S Surgery Center LLC located?

M-S Surgery Center LLC is located at 3510 Martin Luther King Jr Blvd, Lynwood, CA 90262. The listed phone number is (310) 638-9391.

What is M-S Surgery Center LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Is M-S Surgery Center LLC enrolled in Medicare?

Yes. M-S Surgery Center LLC is registered in the Medicare PECOS enrollment system.

When is M-S Surgery Center LLC'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, Ambulatory Surgical Center) is due for revalidation by November 30, 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 M-S Surgery Center LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Ophthalmology, reassign their Medicare billing to M-S Surgery Center LLC. 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does M-S Surgery Center LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0866141) is associated with this NPI, valid through August 31, 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 M-S Surgery Center LLC was last updated on March 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.