Kathleen R. Van Valkenburg, MD
Ophthalmology Physician · Smithtown, NY
Kathleen R. Van Valkenburg, MD is an ophthalmology physician with a practice address in Smithtown, New York, and NPI 1316037369, issued on Oct 13, 2006. Check the license (New York 176461, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Kathleen R. Van Valkenburg
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 176461 NY
Self-reported in NPPES; status is on the state search - Practice location
- 260 E Middle Country RD, Smithtown, NY 11787
- Phone
- (631) 265-8780
- Enumerated
- Oct 13, 2006
- Record last updated
- Dec 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110228000604); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Also registered at 260 E Middle Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel Baharestani, M.D.Ophthalmology Physician1730355116
- Andrew Bainnson, M.D.Ophthalmology Physician1669470829
- Kelly Bhatt, ANP-CAdult Health Nurse Practitioner1336712603
- Tara Cardillo, CPNPPediatric Nurse Practitioner1740765973
- Amy CavalloAudiologist1013331693
- Shayna Coleman, NPFamily Nurse Practitioner1124609185
Verify Kathleen R. Van Valkenburg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 176461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average ophthalmology physician in 2024
1,710 Medicare Part D claims for 411 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost484 claims
- Dorzolamide-Timolol260 claims
- Prednisolone Acetate181 claims
- Brimonidine Tartrate134 claims
- Ketorolac Tromethamine105 claims
- Ofloxacin89 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,169.79
48 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, Inc. 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
- Sight Medical Doctors PLLCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen R. Van Valkenburg among 1,822 ophthalmology physician records in New York
Kathleen R. Van Valkenburg, MD is one of 1,822 ophthalmology physician records with a practice address in New York. 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 16% of them.
- NPI issued2006 · 16% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1987 · median 1995 among the 1,215 with a school on file
- Record last updated2016 · 71% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in Smithtown → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Samuel Baharestani, M.D.Smithtown, NY 117871730355116
- Andrew Bainnson, M.D.Smithtown, NY 117871669470829
- Zachary DavisSmithtown, NY 117871093209777
- Ilana Forchheimer, M.D.Smithtown, NY 117871720242514
- Faye Knoll, M.D.Smithtown, NY 117871669633418
- Mukesh Kumar, MDSmithtown, NY 117871952807356
- Michelle Liebert, M.D.Smithtown, NY 117871306817549
- Jeffrey Martin, MDSmithtown, NY 117871437160579
Common questions
What is Kathleen R. Van Valkenburg, MD's NPI number?
Kathleen R. Van Valkenburg, MD's National Provider Identifier (NPI) is 1316037369, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen R. Van Valkenburg, MD located?
The NPPES record lists a practice address at 260 E Middle Country RD, Smithtown, NY, 11787. Phone: (631) 265-8780. Providers update this record themselves, so call before visiting.
How can I verify Kathleen R. Van Valkenburg, MD's license?
NPPES lists New York license number 176461, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen R. Van Valkenburg, MD prescribe under Medicare Part D?
In 2024, Kathleen R. Van Valkenburg, MD had 1,710 Medicare Part D claims for 411 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Kathleen R. Van Valkenburg, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.