Robert K. Horowitz, MD
Internal Medicine Physician · Rochester, NY
Robert K. Horowitz, MD is an internal medicine physician with a practice address in Rochester, New York, and NPI 1780662445, issued on Jan 4, 2006. Check the license (New York 196430, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert K. Horowitz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 196430 NY
Self-reported in NPPES; status is on the state search - Practice location
- 913 Culver RD, Rochester, NY 14609
- Phone
- (585) 654-5432
- Enumerated
- Jan 4, 2006
- Record last updated
- Jul 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20070426000441); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1993
- 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 913 Culver RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Craig Benson, M.D.Internal Medicine Physician1336267376
- Todd Bingemann, M.D.Internal Medicine Physician1346227311
- Heather Busick, M.D.Internal Medicine Physician1023374196
- Enrico Caiola, M.D.Internal Medicine Physician1043252406
- Caitlyn Divincenzo, NPFamily Nurse Practitioner1558256669
- Amy Fix, M.D.Pediatrics Physician1346277340
Verify Robert K. Horowitz 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 196430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
361 Medicare Part D claims for 71 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 208 claims were for opioids.
Most prescribed
- Oxycodone Hcl56 claims
- Gabapentin29 claims
- Fentanyl28 claims
- Morphine Sulfate Er28 claims
- Morphine Sulfate26 claims
- Lorazepam20 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: $294.27
12 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo 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
- Strong Palliative Care GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert K. Horowitz among 12,067 internal medicine physician records in New York
Robert K. Horowitz, MD 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 updated2023 · 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).
504 internal medicine physician records list a practice address in Rochester
They are 504 of the 20,520 NPPES records with a practice address in Rochester, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Rochester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Craig Benson, M.D.Rochester, NY 146091336267376
- Todd Bingemann, M.D.Rochester, NY 146091346227311
- Heather Busick, M.D.Rochester, NY 146091023374196
- Enrico Caiola, M.D.Rochester, NY 146091043252406
- Rachel Conley, MDRochester, NY 146091275797698
- Robert Fortuna, M.D.Rochester, NY 146091598870842
- Erin Good, MDRochester, NY 146091720643471
- Erin Kelly, MDRochester, NY 146091245529460
Common questions
What is Robert K. Horowitz, MD's NPI number?
Robert K. Horowitz, MD's National Provider Identifier (NPI) is 1780662445, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert K. Horowitz, MD located?
The NPPES record lists a practice address at 913 Culver RD, Rochester, NY, 14609. Phone: (585) 654-5432. Providers update this record themselves, so call before visiting.
How can I verify Robert K. Horowitz, MD's license?
NPPES lists New York license number 196430, 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 Robert K. Horowitz, MD prescribe under Medicare Part D?
In 2024, Robert K. Horowitz, MD had 361 Medicare Part D claims for 71 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.