Robert Mitchell Thacker, O.D.
Optometrist · Providence, RI
Robert Mitchell Thacker, O.D. is an optometrist with a practice address in Providence, Rhode Island, and NPI 1003874991, issued on May 2, 2006. Check the license (Rhode Island ODTA00456, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Mitchell Thacker
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- ODTA00456 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1466 Broad St, Providence, RI 02905
- Phone
- (401) 941-6221
- Enumerated
- May 2, 2006
- Record last updated
- Sep 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (401) 941-6227
- Medicare enrollment
- Enrolled (PECOS I20100503000021); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1993
- Entity
- Type 1 · individual
8 nearest optometrist records → All 267 in Rhode Island → Look up another NPI →
Also registered at 1466 Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Bertherman, O.DOptometrist1629074141
- Samantha Bertherman, ODOptometrist1790353308
- Didem Kokturk, O.D.Optometrist1326173113
Verify Robert Mitchell Thacker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license ODTA00456Check 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% more Medicare Part D claims than the average optometrist in 2024
305 Medicare Part D claims for 129 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cromolyn Sodium114 claims
- Latanoprost56 claims
- Azelastine Hcl51 claims
- Neomycin-Polymyxin-Dexameth39 claims
- Dorzolamide-Timolol12 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
- George D Bertherman,o.d., Inc.Providence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Mitchell Thacker among 267 optometrist records in Rhode Island
Robert Mitchell Thacker, O.D. is one of 267 optometrist records with a practice address in Rhode Island. 79% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1993 · median 2009 among the 192 with a school on file
- Record last updated2013 · 51% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Rhode Island
There are 267 optometrist records in Rhode Island.
All 267 in Rhode Island → Every provider in Providence → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kayla Beraldo-Turner, ODProvidence, RI 029051215821202
- George Bertherman, O.DProvidence, RI 029051629074141
- Samantha Bertherman, ODProvidence, RI 029051790353308
- Jennifer Hsiao-Fang-Yen, ODProvidence, RI 029051710454467
- Didem Kokturk, O.D.Providence, RI 029051326173113
- Katrina Mahood, ODProvidence, RI 029051821733718
- David Mills, O.D.Providence, RI 029051891796819
- Megan Nappi, ODProvidence, RI 029051598380610
Common questions
What is Robert Mitchell Thacker, O.D.'s NPI number?
Robert Mitchell Thacker, O.D.'s National Provider Identifier (NPI) is 1003874991, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Mitchell Thacker, O.D. located?
The NPPES record lists a practice address at 1466 Broad St, Providence, RI, 02905. Phone: (401) 941-6221. Providers update this record themselves, so call before visiting.
How can I verify Robert Mitchell Thacker, O.D.'s license?
NPPES lists Rhode Island license number ODTA00456, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Mitchell Thacker, O.D. prescribe under Medicare Part D?
In 2024, Robert Mitchell Thacker, O.D. had 305 Medicare Part D claims for 129 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.