Ron E. Kastner, M.D.
Internal Medicine Physician · Plainview, NY
Ron E. Kastner, M.D. is an internal medicine physician with a practice address in Plainview, New York, and NPI 1134200058, issued on Oct 18, 2006. Check the license (New York 198283, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ron E. Kastner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 198283 NY
Self-reported in NPPES; status is on the state search - Practice location
- 789 Old Country RD, Plainview, NY 11803
- Phone
- (516) 433-3600
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 433-9490
- Medicaid ID
- 01716494 NY
- Medicare enrollment
- Enrolled (PECOS I20090602000250); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 789 Old Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ron E. Kastner 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 198283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average internal medicine physician in 2024
5,763 Medicare Part D claims for 606 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium435 claims
- Rosuvastatin Calcium410 claims
- Amlodipine Besylate328 claims
- Levothyroxine Sodium259 claims
- Losartan Potassium195 claims
- Metoprolol Succinate195 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): 84.1 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: $685.67
31 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Optum Medical Care PCMount Kisco, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ron E. Kastner among 12,067 internal medicine physician records in New York
Ron E. Kastner, M.D. is one of 12,067 internal medicine 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in Plainview
They are 35 of the 1,588 NPPES records with a practice address in Plainview, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Plainview → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bhola Banik, MD, PCPlainview, NY 118031306842646
- Florence Barricelli, M.D.Plainview, NY 118031861498875
- Janet Beccaro, M.D.Plainview, NY 118031922069764
- Doris Berland, M.D.Plainview, NY 118031558367409
- Jeffrey Goodman, M.D.Plainview, NY 118031962458141
- Sangeetha Kamath, MDPlainview, NY 118031972567899
- Stuart Kanterman, M.D.Plainview, NY 118031265433098
- Frederick Kaplan, M.D.Plainview, NY 118031447295571
Common questions
What is Ron E. Kastner, M.D.'s NPI number?
Ron E. Kastner, M.D.'s National Provider Identifier (NPI) is 1134200058, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ron E. Kastner, M.D. located?
The NPPES record lists a practice address at 789 Old Country RD, Plainview, NY, 11803. Phone: (516) 433-3600. Providers update this record themselves, so call before visiting.
How can I verify Ron E. Kastner, M.D.'s license?
NPPES lists New York license number 198283, 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 Ron E. Kastner, M.D. prescribe under Medicare Part D?
In 2024, Ron E. Kastner, M.D. had 5,763 Medicare Part D claims for 606 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ron E. Kastner, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.1 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.