Carlos R. Defreitas, O.D.
Optometrist · North Dartmouth, MA
Carlos R. Defreitas, O.D. is an optometrist with a practice address in North Dartmouth, Massachusetts, and NPI 1336136894, issued on Sep 30, 2005. Check the license (Massachusetts 3839, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos R. Defreitas
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 3839 MA
ODTG00461 RI
Self-reported in NPPES; status is on the state search - Practice location
- 500 Faunce Corner RD, North Dartmouth, MA 02747
- Phone
- (508) 717-0270
- Enumerated
- Sep 30, 2005
- Record last updated
- Jul 8, 2025
- Fax
- (508) 995-3060
- Medicaid IDs
- 0369969 MA
9007998 RI - Medicare enrollment
- Enrolled (PECOS I20100324000391); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1994
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Also registered at 500 Faunce Corner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sally Alexandre, PA-CPhysician Assistant1053388827
- Dillen Bosgra, MDFamily Medicine Physician1669966115
- Tina Charest, M.D.Family Medicine Physician1699060046
- Stephen Finney, MDFamily Medicine Physician1386105351
- Susan Garrity, NPNurse Practitioner1689410458
- Brett Hurteau, DOFamily Medicine Physician1972616019
Verify Carlos R. Defreitas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 3839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average optometrist in 2024
474 Medicare Part D claims for 149 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost204 claims
- Erythromycin42 claims
- Neomycin-Polymyxin-Dexameth29 claims
- Timolol Maleate29 claims
- Dorzolamide-Timolol16 claims
- Prednisolone Acetate16 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: $652.80
12 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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 2 group practices
- Advanced Eye Centers IncN Dartmouth, MA
- Charles M Collins MD LtdMiddletown, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos R. Defreitas among 1,501 optometrist records in Massachusetts
Carlos R. Defreitas, 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 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
- Graduated1994 · median 2008 among the 933 with a school on file
- Record last updated2025 · 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).
12 optometrist records list a practice address in North Dartmouth
They are 12 of the 360 NPPES records with a practice address in North Dartmouth, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in North Dartmouth → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Joel Altman, ODDartmouth, MA 027471073565362
- Sherry Audycki, ODN Dartmouth, MA 027471679559108
- Kayla Baker, O.D.N Dartmouth, MA 027471477662518
- Marc Dodson, O.D.North Dartmouth, MA 027471699762138
- Arthur Goldman, O.D.North Dartmouth, MA 027471679560114
- John Magalhaes, ODN Dartmouth, MA 027471699851220
- Lori Michaud, O.D.N Dartmouth, MA 027471679656011
- Bryan Murphy, O.D.N Dartmouth, MA 027471477723906
Common questions
What is Carlos R. Defreitas, O.D.'s NPI number?
Carlos R. Defreitas, O.D.'s National Provider Identifier (NPI) is 1336136894, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlos R. Defreitas, O.D. located?
The NPPES record lists a practice address at 500 Faunce Corner RD, North Dartmouth, MA, 02747. Phone: (508) 717-0270. Providers update this record themselves, so call before visiting.
How can I verify Carlos R. Defreitas, O.D.'s license?
NPPES lists Massachusetts license number 3839, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos R. Defreitas, O.D. prescribe under Medicare Part D?
In 2024, Carlos R. Defreitas, O.D. had 474 Medicare Part D claims for 149 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.