NPPES file of Aug 9, 2026

Vivienne Therese Kong, OD

Optometrist · Chelmsford, MA

Vivienne Therese Kong, OD is an optometrist with a practice address in Chelmsford, Massachusetts, and NPI 1366434441, issued on Aug 16, 2005. Check the license (Massachusetts 3434, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366434441
Name
Vivienne Therese Kong
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
3434 MA
Self-reported in NPPES; status is on the state search
Practice location
19 Village SQ, Chelmsford, MA 01824
Phone
(978) 256-5600
Enumerated
Aug 16, 2005
Record last updated
Nov 14, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(978) 703-0250
Medicaid ID
0354228 MA
Medicare enrollment
Enrolled (PECOS I20111114000329); accepts Medicare assignment
Medical or professional school
New England College Of Optometry
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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Also registered at 19 Village SQ

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

  1. Glen Bolliger, MDOphthalmology Physician1568455897
  2. Bruce Bunker, O.D.Optometrist1750386835
  3. Jennifer Calnan, ODPediatric Optometrist1508076027
  4. John Constantine, M.D.Ophthalmology Physician1437157765
  5. Melissa Donald, O.D.Optometrist1750674958
  6. Hannah Donovan, ODOptometrist1750066320

Verify Vivienne Therese Kong 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 3434
    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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77% fewer Medicare Part D claims than the average optometrist in 2024

63 Medicare Part D claims for 35 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Vivienne Kong63
  2. Specialty average277

Most prescribed

  1. Neomycin-Polymyxin-Dexameth14 claims
  2. Cyclosporine11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $166.65

3 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vivienne Kong$166.65
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Massachusetts Eye Associates PCChelmsford, MA

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

Vivienne Therese Kong among 1,501 optometrist records in Massachusetts

Vivienne Therese Kong, OD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Record last updated2007 · 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).

13 optometrist records list a practice address in Chelmsford

They are 13 of the 937 NPPES records with a practice address in Chelmsford, and 1,501 optometrist records in Massachusetts.

The 8 optometrist records with the nearest ZIP codes

  1. Stephen Adelstein, ODChelmsford, MA 018241790770980
  2. Michael AyerChelmsford, MA 018241770649584
  3. Florence Bahtiarian, O.D.Chelmsford, MA 018241427080191
  4. Henry Boroyan, ODChelmsford, MA 018241407920424
  5. Bruce Bunker, O.D.Chelmsford, MA 018241750386835
  6. Melissa Donald, O.D.Chelmsford, MA 018241750674958
  7. Hannah Donovan, ODChelmsford, MA 018241750066320
  8. Heidi Frank, ODChelmsford, MA 018241992726251

Common questions

What is Vivienne Therese Kong, OD's NPI number?

Vivienne Therese Kong, OD's National Provider Identifier (NPI) is 1366434441, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Vivienne Therese Kong, OD located?

The NPPES record lists a practice address at 19 Village SQ, Chelmsford, MA, 01824. Phone: (978) 256-5600. Providers update this record themselves, so call before visiting.

How can I verify Vivienne Therese Kong, OD's license?

NPPES lists Massachusetts license number 3434, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Vivienne Therese Kong, OD prescribe under Medicare Part D?

In 2024, Vivienne Therese Kong, OD had 63 Medicare Part D claims for 35 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.

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.