Denise K. Snow Williams, OD
Optometrist · Randolph, MA
Denise K. Snow Williams, OD is an optometrist with a practice address in Randolph, Massachusetts, and NPI 1710087788, issued on Sep 22, 2006. Check the license (Massachusetts 3651, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Denise K. Snow Williams
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3651 MA
Self-reported in NPPES; status is on the state search - Practice location
- 9 Warren Street, Randolph, MA 02368
- Phone
- (781) 963-8448
- Enumerated
- Sep 22, 2006
- Record last updated
- Jun 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (781) 963-5289
- Medicaid ID
- 0338150 MA
- Medicare enrollment
- Enrolled (PECOS I20061129000051); may accept Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1990
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify Denise K. Snow Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 3651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
47 Medicare Part D claims for 13 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost34 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.
Bills Medicare through one group practice
- Codman Eye Care Affiliates -South Shore IncRandolph, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Denise K. Snow Williams among 1,501 optometrist records in Massachusetts
Denise K. Snow Williams, 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 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
- Graduated1990 · median 2008 among the 933 with a school on file
- Record last updated2015 · 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).
9 optometrist records list a practice address in Randolph
They are 9 of the 941 NPPES records with a practice address in Randolph, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Randolph → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Ronald Cline, ODRandolph, MA 023681538173125
- Marvin Hertzel, ODRandolph, MA 023681366519837
- Andy Huynh, ODRandolph, MA 023681780065813
- Richard Jamara, ODRandolph, MA 023681295826287
- Helen Le, O.D.Randolph, MA 023681437358017
- Phiyen Le, O.DRandolph, MA 023681730344961
- Matthew Philibin, ODRandolph, MA 023681245756014
- Sukrana Uddin, ODRandolph, MA 023681174214183
Common questions
What is Denise K. Snow Williams, OD's NPI number?
Denise K. Snow Williams, OD's National Provider Identifier (NPI) is 1710087788, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denise K. Snow Williams, OD located?
The NPPES record lists a practice address at 9 Warren Street, Randolph, MA, 02368. Phone: (781) 963-8448. Providers update this record themselves, so call before visiting.
How can I verify Denise K. Snow Williams, OD's license?
NPPES lists Massachusetts license number 3651, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Denise K. Snow Williams, OD prescribe under Medicare Part D?
In 2024, Denise K. Snow Williams, OD had 47 Medicare Part D claims for 13 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.