Registry data as of Aug 27, 2026

Geoffrey Nemser, OD

Optometrist · Stamford, CT

Geoffrey Nemser, OD is an optometrist with a practice address in Stamford, Connecticut, and NPI 1871573535, issued on Jan 19, 2006. Check the license (Connecticut 2070, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1871573535
Name
Geoffrey Nemser
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
2070 CT
Self-reported in NPPES; status is on the state search
Practice location
3034 Summer St, Stamford, CT 06905
Phone
(203) 975-7565
Enumerated
Jan 19, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Geoffrey Nemser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 2070
    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 Connecticut 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.

95% fewer Medicare Part D claims than the average optometrist in 2024

13 Medicare Part D claims, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D.

  1. Geoffrey Nemser13
  2. Specialty average279

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: $21.90

1 payment, mostly food and beverage; the largest payer was Alcon Vision LLC. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Geoffrey Nemser$21.90
  2. Specialty average$749.79

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

Optometrist providers in Connecticut

There are 653 optometrist records in Connecticut.

Other optometrist records in Connecticut

  1. Annemarie Abramson, O.D.Waterbury, CT1720194764
  2. Aylin Adem, ODNaugatuck, CT1407514631
  3. George Adrian, O.D.Groton, CT1659337145
  4. Douglas Agranov, O.D.Madison, CT1952364465
  5. Shraiy AgrawalGuilford, CT1194565903
  6. Christopher Agro, O.D.Enfield, CT1912977380
  7. Shefali Ahmadi, ODDarien, CT1730656943
  8. Haajra Ahmed, ODManchester, CT1972164010
  9. Amara Akbar, ODSouthbury, CT1558918144
  10. Janine Albanese, O.D.Wallingford, CT1174964076

Common questions

What is Geoffrey Nemser, OD's NPI number?

Geoffrey Nemser, OD's National Provider Identifier (NPI) is 1871573535, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Geoffrey Nemser, OD located?

The NPPES record lists a practice address at 3034 Summer St, Stamford, CT, 06905. Phone: (203) 975-7565. Providers update this record themselves, so call before visiting.

How can I verify Geoffrey Nemser, OD's license?

NPPES lists Connecticut license number 2070, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Geoffrey Nemser, OD prescribe under Medicare Part D?

In 2024, Geoffrey Nemser, OD had 13 Medicare Part D claims; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.