RETINA CONSULTANTS OF GREATER BOSTON, INC.
NPI 1891033411
Ophthalmology in Peabody, MA
About Retina Consultants Of Greater Boston, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RETINA CONSULTANTS OF GREATER BOSTON, INC. (NPI 1891033411) is a healthcare organization registered as an ophthalmology in Peabody, Massachusetts and active in the NPI registry since January 2013. The organization maintains 2 additional practice locations and lists John Weiter, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Group Practice 1
Accepted Insurance
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)
Retina Consultants Of Greater Boston, Inc. 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.
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Retina Consultants Of Greater Boston, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medical Equipment Supplier Medicare DMEPOS 3
Medicare supplier enrollment and the product categories John J Weiter MD PC carries, from the Medicare DMEPOS supplier directory.
John J Weiter MD PC
DMEPOS supplier · Methuen, MAAccepts Medicare assignment
John J Weiter MD PC agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Product Categories
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 John J Weiter, MD, PC's NPI number?
The NPI number for John J Weiter, MD, PC is 1891033411. It was assigned to this organization in the NPPES registry on January 17, 2013. The provider is doing business as Retina Consultants Of Greater Boston, Inc..
Where is John J Weiter, MD, PC located?
John J Weiter, MD, PC is located at 39 Cross St Ste 201, Peabody, MA 01960. The listed phone number is (978) 854-5090.
What is John J Weiter, MD, PC's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is John J Weiter, MD, PC enrolled in Medicare?
Yes. John J Weiter, MD, PC is registered in the Medicare PECOS enrollment system.
When is John J Weiter, MD, PC'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 (Massachusetts, Clinic/Group Practice) 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 John J Weiter, MD, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Ophthalmology, reassign their Medicare billing to John J Weiter, MD, PC. 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, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does John J Weiter, MD, PC accept Medicare assignment for medical equipment?
Yes. As a Medicare medical equipment supplier, John J Weiter MD PC accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.
What insurance does John J Weiter, MD, PC accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 3 other insurers list John J Weiter, MD, PC 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 John J Weiter, MD, PC was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Retina Consultants Of Greater Boston, Inc. · NPI 1891033411
Ophthalmology organization in Peabody, Massachusetts. Organization record, active in the CMS NPPES registry since January 17, 2013.
## Identity
- **NPI:** 1891033411 (Entity type: Organization)
- **Enumerated:** January 17, 2013
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Legal business name:** John J Weiter, Md, Pc
- **Organization subpart:** No
- **Authorized official:** John Weiter, OWNER
## Practice location
- **Address:** 39 CROSS ST STE 201, Peabody, MA 01960-1666
- **Phone:** (978) 854-5090 · **Fax:** (978) 854-5755
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, Massachusetts, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 3 clinicians (Ophthalmology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1891033411) · Data from the CMS NPPES public registry.