CHELMSFORD OPTOMETRIC ASSOCIATES
NPI 1609245356
Optometrist in Chelmsford, MA
About Chelmsford Optometric Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHELMSFORD OPTOMETRIC ASSOCIATES (NPI 1609245356) is a healthcare organization registered as an optometrist in Chelmsford, Massachusetts and active in the NPI registry since September 2015. The organization lists Anupama Sehgal, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chelmsford Optometric Associates 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 Chelmsford Optometric Associates, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (3)
Natick, MA 01760
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Rsa Optical LLC's NPI number?
The NPI number for Rsa Optical LLC is 1609245356. It was assigned to this organization in the NPPES registry on September 23, 2015. The provider is doing business as Chelmsford Optometric Associates.
Where is Rsa Optical LLC located?
Rsa Optical LLC is located at 11 Summer St, Chelmsford, MA 01824. The listed phone number is (978) 256-5731.
What is Rsa Optical LLC's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Rsa Optical LLC enrolled in Medicare?
Yes. Rsa Optical LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rsa Optical LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Optometry, reassign their Medicare billing to Rsa Optical 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Rsa Optical LLC accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Rsa Optical LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Rsa Optical LLC was last updated on February 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Chelmsford Optometric Associates · NPI 1609245356
Optometrist organization in Chelmsford, Massachusetts. Organization record, active in the CMS NPPES registry since September 23, 2015.
## Identity
- **NPI:** 1609245356 (Entity type: Organization)
- **Enumerated:** September 23, 2015
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Legal business name:** Rsa Optical Llc
- **Organization subpart:** No
- **Authorized official:** Anupama Sehgal, OWNER
## Practice location
- **Address:** 11 SUMMER ST, Chelmsford, MA 01824-3064
- **Phone:** (978) 256-5731
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 16, 2016
- **Other identifiers:** Medicare UPIN U81516 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1609245356) · Data from the CMS NPPES public registry.