Robert Alexander Buck, OD
Optometrist · Waterbury, CT
Robert Alexander Buck, OD is an optometrist with a practice address in Waterbury, Connecticut, and NPI 1821002346, issued on Jul 28, 2006. Check the license (Connecticut CT2294, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Alexander Buck
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- CT2294 CT
Self-reported in NPPES; status is on the state search - Practice location
- 171 N Main St, Waterbury, CT 06702
- Phone
- (203) 754-8413
- Enumerated
- Jul 28, 2006
- Record last updated
- Aug 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 575-9921
- Medicaid ID
- 004147254 CT
- Medicare enrollment
- Enrolled (PECOS I20130814000333); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1991
- Entity
- Type 1 · individual
8 nearest optometrist records → All 675 in Connecticut → Look up another NPI →
Verify Robert Alexander Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license CT2294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average optometrist in 2024
248 Medicare Part D claims for 75 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Latanoprost92 claims
- Travoprost27 claims
- Timolol Maleate25 claims
- Restasis22 claims
- Lumigan18 claims
- Rhopressa14 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: $45.45
1 payment: food and beverage; the largest payer was RxSight 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.
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
- Waterbury Eye Associates LLCWaterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Alexander Buck among 675 optometrist records in Connecticut
Robert Alexander Buck, OD is one of 675 optometrist records with a practice address in Connecticut. 76% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1991 · median 2008 among the 447 with a school on file
- Record last updated2011 · 62% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Connecticut
There are 675 optometrist records in Connecticut.
All 675 in Connecticut → Every provider in Waterbury → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Shannon Mulligan, O.D.Waterbury, CT 067041528018157
- Kevin So, O.D.Waterbury, CT 067041710110390
- Annemarie Abramson, O.D.Waterbury, CT 067051720194764
- Audrey Fung, ODWaterbury, CT 067051083615850
- Barbara Kuznesof-Knee, O.D.Waterbury, CT 067051801966601
- Joanne Preli-Trocchi, O.D.Watebury, CT 067051558461541
- Dana Shepard, O.D.Waterbury, CT 067051003927856
- Domenico Trocchi, ODWaterbury, CT 067051497865729
Common questions
What is Robert Alexander Buck, OD's NPI number?
Robert Alexander Buck, OD's National Provider Identifier (NPI) is 1821002346, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Alexander Buck, OD located?
The NPPES record lists a practice address at 171 N Main St, Waterbury, CT, 06702. Phone: (203) 754-8413. Providers update this record themselves, so call before visiting.
How can I verify Robert Alexander Buck, OD's license?
NPPES lists Connecticut license number CT2294, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Alexander Buck, OD prescribe under Medicare Part D?
In 2024, Robert Alexander Buck, OD had 248 Medicare Part D claims for 75 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.