Melda Nil Gerow, O.D.
Optometrist · Winthrop, MA
Melda Nil Gerow, O.D. is an optometrist with a practice address in Winthrop, Massachusetts, and NPI 1003367145, issued on Oct 24, 2016. Check the license (Massachusetts 5186, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melda Nil Gerow
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 5186 MA
Self-reported in NPPES; status is on the state search - Practice location
- 42 Woodside Ave, Winthrop, MA 02152
- Phone
- (617) 213-2131
- Enumerated
- Oct 24, 2016
- Record last updated
- Nov 3, 2023
- Fax
- (617) 213-2001
- Medicare enrollment
- Enrolled (PECOS I20170220000384); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2016
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Also registered at 42 Woodside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna Walden, O.D.Optometrist1386925725
Verify Melda Nil Gerow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 5186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average optometrist in 2024
69 Medicare Part D claims for 27 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost19 claims
- Timolol Maleate14 claims
- Neomycin-Polymyxin-Dexameth11 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.
Melda Nil Gerow among 1,501 optometrist records in Massachusetts
Melda Nil Gerow, 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 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2008 among the 933 with a school on file
- Record last updated2023 · 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).
3 optometrist records list a practice address in Winthrop
They are 3 of the 150 NPPES records with a practice address in Winthrop, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Winthrop → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Matthew Kaim, O.D.Winthrop, MA 021521194760389
- Jenna Walden, O.D.Winthrop, MA 021521386925725
- Hong-Ming Cheng, O.D.Revere, MA 021511104976463
- Janis Cotter, O.D.Revere, MA 021511104922202
- Philip Crooks, O.D.Revere, MA 021511043495260
- Zhenzhen Gao, ODRevere, MA 021511194379115
- Dulcy Mitchell, O.D.Chelsea, MA 021501376811448
- Deborah Wayne, O.D.Chelsea, MA 021501609884295
Common questions
What is Melda Nil Gerow, O.D.'s NPI number?
Melda Nil Gerow, O.D.'s National Provider Identifier (NPI) is 1003367145, issued on Oct 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Melda Nil Gerow, O.D. located?
The NPPES record lists a practice address at 42 Woodside Ave, Winthrop, MA, 02152. Phone: (617) 213-2131. Providers update this record themselves, so call before visiting.
How can I verify Melda Nil Gerow, O.D.'s license?
NPPES lists Massachusetts license number 5186, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Melda Nil Gerow, O.D. prescribe under Medicare Part D?
In 2024, Melda Nil Gerow, O.D. had 69 Medicare Part D claims for 27 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.