DR. YEN-LINH TRINH NGUYEN O.D.
NPI 1558471672
Optometrist in Lawrence, MA
About Dr. Yen-linh Trinh Nguyen O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YEN-LINH TRINH NGUYEN O.D. (NPI 1558471672) is an individual optometrist in Lawrence, Massachusetts, licensed in Massachusetts (4550) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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. Yen-linh Trinh Nguyen O.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
4Medicare enrollment records show Yen-linh Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dorchester, MA 02125
- Reassigned Medicare billing, Massachusetts enrollment
- 76 clinicians in this Medicare group
Dorchester, MA 02122
- Reassigned Medicare billing, Massachusetts enrollment
- 3 clinicians in this Medicare group
Quincy, MA 02169
- Reassigned Medicare billing, Massachusetts enrollment
- 2 clinicians in this Medicare group
N Dartmouth, MA 02747
- Reassigned Medicare billing, Massachusetts enrollment
- 25 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01843 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LAWRENCE, MA 01843
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 Yen-linh Nguyen's NPI number?
The NPI number for Yen-linh Nguyen is 1558471672. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Yen-linh Nguyen located?
Yen-linh Nguyen practices at 439 S Union St Bldg. 1, Ste. 1101, Lawrence, MA 01843. The listed phone number is (978) 686-2983.
What is Yen-linh Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Yen-linh Nguyen enrolled in Medicare?
Yes. Yen-linh Nguyen 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 Yen-linh Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yen-linh Nguyen reassigns Medicare benefits to 4 organizations: Harbor Health Services Inc (Dorchester, MA), Dream Vision LLC (Dorchester, MA), Sunny Eyecare PLLC (Quincy, MA) and John Magalhaes And Associates, Inc. (N Dartmouth, MA). 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 Yen-linh Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yen-linh Nguyen 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 and 2 other insurers list Yen-linh Nguyen 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 Yen-linh Nguyen was last updated on April 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Yen-Linh Trinh Nguyen, O.D. · NPI 1558471672
Optometrist provider in Lawrence, Massachusetts. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1558471672 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 4550 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 439 S UNION ST, BLDG. 1, STE. 1101, Lawrence, MA 01843-2837
- **Phone:** (978) 686-2983
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Harbor Health Services Inc (NPI 1659330496, Dorchester, MA); Dream Vision LLC (NPI 1902216146, Dorchester, MA); Sunny Eyecare PLLC (NPI 1104535921, Quincy, MA); John Magalhaes And Associates, Inc. (NPI 1790900884, N Dartmouth, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New England College Of Optometry, class of 2005
## Record status
- **NPPES last updated:** April 10, 2008
- **Other identifiers:** Medicare ID-Type Unspecified W17638 (MA); Medicare UPIN V08881 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1558471672) · Data from the CMS NPPES public registry.