Dr. Iosif Kolbovsky, MD
- Medicare services, 2024
- 4,099
- Medicare patients, 2024
- 486
- Part D claims, 2024
- 844
- Hospital affiliations
- 3
- Industry payments
- $132
- Practice address
- 800 Westchester Ave, Rye Brook, NY 10573
- Practice phone
- Call (914) 701-5232
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Port Chester Dialysis and Renal Center
Rye Brook, New York
Find Dr. Kolbovsky's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Iosif Kolbovsky is a nephrologist in Rye Brook, New York
Dr. Kolbovsky practices at Port Chester Dialysis and Renal Center in Rye Brook, New York.
Dr. Kolbovsky's NPI, 1760461768, was assigned on January 10, 2006. Dr. Kolbovsky holds New York license 455919-1.
- NPI
- 1760461768NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173514726
- NPI enumeration date
- January 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 701-5232
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Iosif Kolbovsky practices at Port Chester Dialysis and Renal Center in Rye Brook, New York
Dr. Kolbovsky's primary practice is Port Chester Dialysis and Renal Center, at 800 Westchester Ave, Rye Brook, NY 10573 in Westchester County. The practice phone is (914) 701-5232.
- Port Chester Dialysis and Renal Center800 Westchester Ave, Rye Brook, NY 10573 · Westchester CountyPhone(914) 701-5232
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Iosif Kolbovsky is affiliated with 7 sites of care and 1 medical group
Dr. Kolbovsky's primary practice is Port Chester Dialysis and Renal Center in Rye Brook, New York. Dr. Kolbovsky is also affiliated with Yale New Haven Hospital. The medical group on file is Westmed Medical Group. Dmand AI also links Dr. Kolbovsky to 2 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Iosif Kolbovsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kolbovsky practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Port Chester Dialysis and Renal Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Iosif Kolbovsky is one of 914 nephrologists in New York
Nephrology is Dr. Kolbovsky's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Kolbovsky's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Nephrology, New YorkPrimary
- Connecticut license
Nephrologists near Dr. Kolbovsky
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Iosif Kolbovsky billed Medicare for 4,099 services in 2024
CMS data shows 4,099 Medicare services from Dr. Kolbovsky across 27 procedure codes in 2024, for 486 Medicare patients. Medicare paid $273,189 for them.
Dr. Kolbovsky's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,8212024: 1,51846%
- Office and hospital visits
- 2023: 1,3332024: 1,4156%
- Other services
- 2023: 02024: 441
- Tests and treatments
- 2023: 5292024: 37230%
- Surgery
- 2023: 5882024: 35340%
Where Dr. Kolbovsky's Medicare services took place, 2024
- In an office3,33681%
- In a facility76319%
Dr. Kolbovsky compared with the New York median for nephrologists, 2024
- Dr. Kolbovsky
- New York median
- Medicare services
- 4,099vs 6895.9 times
- Medicare patients
- 486vs 2172.2 times
- Part D claims
- 744vs 43671% above
Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.
Dr. Kolbovsky's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kolbovsky?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kolbovsky and other nephrologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Iosif Kolbovsky treated 486 Medicare patients in 2024, average age 79
CMS counts 486 Medicare patients who saw Dr. Kolbovsky in 2024. The largest group is 75 to 84, with 210 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 3.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kolbovsky's median patient age at 72, with 38% women.
Dr. Kolbovsky's Medicare patients by age, 2024
Dr. Kolbovsky's Medicare patients by sex, 2024
- Women21043%
- Men27657%
Chronic conditions among Dr. Kolbovsky's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Ischemic heart disease53%
- Arthritis48%
- Heart failure44%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kolbovsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women38%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Iosif Kolbovsky wrote 844 Medicare Part D claims in 2024
In 2024, Dr. Kolbovsky wrote 844 Medicare Part D claims for 146 patients. 76% of them were for generic drugs. CMS names the drug for 744 of them, across 20 drugs with 11 or more claims each, at $216,622 in total drug cost. In 2023, CMS named 755 claims across 22 drugs.
Dr. Kolbovsky's Part D claims by kind of drug, 2024
- Generic645 claims76%
- Brand-name199 claims24%
Dr. Kolbovsky's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7552024: 7441%
Drugs named by CMS: 20 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Iosif Kolbovsky offers telehealth to Medicare patients
Dr. Kolbovsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kolbovsky as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Iosif Kolbovsky received $132 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Kolbovsky from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $132.
Companies that paid Dr. Kolbovsky the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Iosif Kolbovsky's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Iosif Kolbovsky
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Iosif Kolbovsky's NPI number?
Dr. Iosif Kolbovsky's NPI number is 1760461768. It was assigned on January 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Iosif Kolbovsky?
Dr. Iosif Kolbovsky is a nephrologist in Rye Brook, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Iosif Kolbovsky practice?
Dr. Kolbovsky practices at 800 Westchester Ave, Rye Brook, NY 10573. Dr. Kolbovsky's primary practice is Port Chester Dialysis and Renal Center in Rye Brook, New York. Dmand AI also links Dr. Kolbovsky to 2 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. Iosif Kolbovsky's office phone number?
The practice phone on file for Dr. Kolbovsky is (914) 701-5232.
What is Dr. Iosif Kolbovsky's medical license number?
Dr. Kolbovsky holds New York license 455919-1, one of the licenses on file in 2 states.
Which states has Dr. Iosif Kolbovsky been licensed in?
Dmand AI has state licenses on file for Dr. Kolbovsky in New York and Connecticut.
Which hospitals is Dr. Iosif Kolbovsky affiliated with?
Dr. Kolbovsky is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Kolbovsky to 2 more hospitals.
What medical group is Dr. Iosif Kolbovsky part of?
Dr. Kolbovsky is linked to Westmed Medical Group.
Does Dr. Iosif Kolbovsky accept Medicare?
Yes. CMS data shows Dr. Kolbovsky billed Medicare for 4,099 services in 2024, and Dr. Kolbovsky accepts Medicare assignment.
Does Dr. Iosif Kolbovsky offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kolbovsky as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Iosif Kolbovsky see?
CMS counts 486 Medicare patients who saw Dr. Kolbovsky in 2024, with an average age of 79.
What services does Dr. Iosif Kolbovsky bill to Medicare?
In 2024, Dr. Kolbovsky's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and medicare service (G2211).
What drugs does Dr. Iosif Kolbovsky prescribe most?
In 2024 Medicare Part D data, Dr. Kolbovsky's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Carvedilol.
Has Dr. Iosif Kolbovsky received payments from drug or device companies?
CMS Open Payments shows $132 in general payments to Dr. Kolbovsky from 1 company from 2024 to 2024. The largest total came from Ardelyx, Inc.
How long has Dr. Iosif Kolbovsky been practicing?
Dr. Kolbovsky graduated from medical school in 1984, 42 years ago.
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