NPPES file of Aug 9, 2026

Greg Ross Waldorf, O.D

Optometrist · Worcester, MA

Greg Ross Waldorf, O.D is an optometrist with a practice address in Worcester, Massachusetts, and NPI 1386709947, issued on Dec 26, 2006. Check the license (Massachusetts OPT5082, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386709947
Name
Greg Ross Waldorf
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License numbers
OPT5082 MA
ODTGA00591 RI
Self-reported in NPPES; status is on the state search
Practice location
10 Lincoln SQ, Worcester, MA 01608
Phone
(508) 373-5830
Enumerated
Dec 26, 2006
Record last updated
Mar 24, 2026
Fax
(508) 519-5512
Medicare enrollment
Enrolled (PECOS I20170213000674); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →

Also registered at 10 Lincoln SQ

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Toby AlmeidaStudent in an Organized Health Care Education/Training Program1629879325
  2. Sarah AydinPhysician Assistant1114840071
  3. Lawrence Baitch, OD, PHDOptometrist1134322456
  4. Heather Bell, O.D.Optometrist1710336201
  5. Katie BerthetStudent in an Organized Health Care Education/Training Program1467311779
  6. Diana BibinskiStudent in an Organized Health Care Education/Training Program1952234726

Verify Greg Ross Waldorf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license OPT5082    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 3 group practices

  1. Mass Optometric Associates, PLLCSeekonk, MA
  2. Mcphs UniversityWorcester, MA
  3. Rhode Island Optometrics LLCCranston, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Greg Ross Waldorf among 1,501 optometrist records in Massachusetts

Greg Ross Waldorf, O.D is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1996 · median 2008 among the 933 with a school on file
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Massachusetts

There are 1,501 optometrist records in Massachusetts.

All 1,501 in Massachusetts → Every provider in Worcester → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Lawrence Baitch, OD, PHDWorcester, MA 016081134322456
  2. Leonard Contardo, ODWorcester, MA 016081417911157
  3. Kathryn Deliso, ODWorcester, MA 016081063673028
  4. Louis Frank, ODWorcester, MA 016081215937685
  5. Mary Gilman, ODWorcester, MA 016081225261266
  6. Colleen Gonyea, ODWorcester, MA 016081184695561
  7. Alia Khalaf, O.D.Worcester, MA 016081689974792
  8. Kathleen O'Leary, O.D.Worcester, MA 016081790072650

Common questions

What is Greg Ross Waldorf, O.D's NPI number?

Greg Ross Waldorf, O.D's National Provider Identifier (NPI) is 1386709947, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Greg Ross Waldorf, O.D located?

The NPPES record lists a practice address at 10 Lincoln SQ, Worcester, MA, 01608. Phone: (508) 373-5830. Providers update this record themselves, so call before visiting.

How can I verify Greg Ross Waldorf, O.D's license?

NPPES lists Massachusetts license number OPT5082, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.