King Wai To, M.D.
Ophthalmology Physician · Providence, RI
King Wai To, M.D. is an ophthalmology physician with a practice address in Providence, Rhode Island, and NPI 1174670806, issued on Jan 4, 2007. Check the license (Rhode Island 7985, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- King Wai To
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 7985 RI
Self-reported in NPPES; status is on the state search - Practice location
- One Hoppin Street, Providence, RI 02903
- Phone
- (401) 831-4592
- Enumerated
- Jan 4, 2007
- Record last updated
- Jun 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (401) 831-4643
- Medicaid ID
- 9020082 RI
- Medicare enrollment
- Enrolled (PECOS I20100322000610); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1986
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 85 in Rhode Island → Look up another NPI →
Also registered at One Hoppin Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marjorie Murphy, M.D.Ophthalmology Physician1053468454
Verify King Wai To in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license 7985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average ophthalmology physician in 2024
353 Medicare Part D claims for 110 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost199 claims
- Tobramycin-Dexamethasone35 claims
- Alphagan P17 claims
- Travoprost15 claims
- Timolol Maleate14 claims
- Combigan12 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: $315.29
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Lifespan Physician Group IncProvidence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
King Wai To among 85 ophthalmology physician records in Rhode Island
King Wai To, M.D. is one of 85 ophthalmology physician records with a practice address in Rhode Island. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 66% of them.
- NPI issued2007 · 66% of these records are older, 25% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 1993 among the 55 with a school on file
- Record last updated2008 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Rhode Island
There are 85 ophthalmology physician records in Rhode Island.
All 85 in Rhode Island → Every provider in Providence → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Julie Boehm, M.D.Providence, RI 029031609161165
- Prabjot Channa, M.D.Providence, RI 029031730205279
- Carolina Chiou, MDProvidence, RI 029031336639970
- Lenworth Johnson, MDProvidence, RI 029031225086655
- Marjorie Murphy, M.D.Providence, RI 029031053468454
- Jesse Richman, MDProvidence, RI 029031346402872
- Celine SaadeProvidence, RI 029031326395088
- Melissa Simon, MDProvidence, RI 029031316265259
Common questions
What is King Wai To, M.D.'s NPI number?
King Wai To, M.D.'s National Provider Identifier (NPI) is 1174670806, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is King Wai To, M.D. located?
The NPPES record lists a practice address at One Hoppin Street, Providence, RI, 02903. Phone: (401) 831-4592. Providers update this record themselves, so call before visiting.
How can I verify King Wai To, M.D.'s license?
NPPES lists Rhode Island license number 7985, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does King Wai To, M.D. prescribe under Medicare Part D?
In 2024, King Wai To, M.D. had 353 Medicare Part D claims for 110 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.