GREG ROSS WALDORF O.D
NPI 1386709947
Optometrist in Worcester, MA
About Greg Ross Waldorf O.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREG ROSS WALDORF O.D (NPI 1386709947) is an individual optometrist in Worcester, Massachusetts, licensed in Massachusetts (OPT5082) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Warwick, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Greg Ross Waldorf O.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Greg Waldorf reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 26 clinicians in this Medicare group
Lincoln, RI 02865
- Reassigned Medicare billing, Rhode Island enrollment
- 2 clinicians in this Medicare group
Dedham, MA 02026
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Mass Optometric Associates, PLLC
- 98 clinicians in this Medicare group
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 112 clinicians in this Medicare group
Cranston, RI 02920
- Reassigned Medicare billing, Rhode Island enrollment
- 20 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 01608 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.
WORCESTER, MA 01608
WORCESTER, MA 01608
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 Greg Waldorf's NPI number?
The NPI number for Greg Waldorf is 1386709947. It was assigned to this individual provider in the NPPES registry on December 26, 2006.
Where is Greg Waldorf located?
Greg Waldorf practices at 10 Lincoln Sq, Worcester, MA 01608. The listed phone number is (508) 373-5830.
What is Greg Waldorf's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Greg Waldorf enrolled in Medicare?
Yes. Greg Waldorf is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Greg Waldorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greg Waldorf reassigns Medicare benefits to 5 organizations: Mcphs University (Worcester, MA), Carol J Hamel, Od Inc (Lincoln, RI), Mass Optometric Associates, P.C. (Dedham, MA), The Providence Community Health Centers, Inc (Providence, RI) and Rhode Island Optometrics, LLC (Cranston, RI). 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 Greg Waldorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Greg Waldorf 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 Greg Waldorf 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 Greg Waldorf was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Greg Ross Waldorf, O.D · NPI 1386709947
Optometrist provider in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since December 26, 2006.
## Identity
- **NPI:** 1386709947 (Entity type: Individual)
- **Enumerated:** December 26, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT5082 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 LINCOLN SQ, Worcester, MA 01608-1135
- **Phone:** (508) 373-5830 · **Fax:** (508) 519-5512
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Mcphs University (NPI 1871852566, Worcester, MA); Carol J Hamel, Od Inc (NPI 1437348505, Lincoln, RI); Mass Optometric Associates, P.C. (NPI 1831399039, Dedham, MA); The Providence Community Health Centers, Inc (NPI 1053313593, Providence, RI); Rhode Island Optometrics, LLC (NPI 1275024135, Cranston, RI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** March 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1386709947) · Data from the CMS NPPES public registry.