Dr. Steven I. Leffler, MD, PhD
- Medicare services, 2024
- 4,975
- Medicare patients, 2024
- 3,271
- Hospital affiliations
- 5
- Medical groups
- 8
- State license
- 1
- Practice address
- 976 North Broadway, Yonkers, NY 10701
- Practice phone
- Call (914) 964-4444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Steven I. Leffler is a diagnostic radiologist in Yonkers, New York
Dr. Leffler practices at St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital.
Dr. Leffler's NPI, 1326056995, was assigned on August 3, 2006. Dr. Leffler graduated from Hahneman Medical College of the Pacific in 1984. Dr. Leffler holds New Jersey license 25MA05491100.
- NPI
- 1326056995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436117090
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (914) 964-4444
- 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; and Dmand AI Affiliation Data
Dr. Steven I. Leffler practices at 2 locations in Yonkers, New York
Dr. Leffler's primary practice is St. John's Riverside Hospital, at 976 North Broadway, Yonkers, NY 10701 in Westchester County. The practice phone is (914) 964-4444. Dr. Leffler also practices at St Johns Riverside Hospital - Andrus Pavillion, 967 N Broadway, Yonkers, NY 10701.
- St. John's Riverside HospitalPrimary976 North Broadway, Yonkers, NY 10701 · Westchester CountyPhone(914) 964-4444
- St Johns Riverside Hospital - Andrus Pavillion967 N Broadway, Yonkers, NY 10701 · Westchester CountyPhone(914) 964-4205
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Steven I. Leffler is affiliated with 10 sites of care and 8 medical groups
Dr. Leffler's primary practice is St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital. Dr. Leffler is also affiliated with Saint Joseph's Medical Center. The medical group on file is Empire State Radiology. Dmand AI also links Dr. Leffler to 3 more hospitals, 7 medical groups, 4 group practices and clinics and 1 breast imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven I. Leffler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leffler practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. John's Riverside Hospital | Available with a free account |
| +9 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across St. John's Riverside Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven I. Leffler is one of 2,697 diagnostic radiologists in New York
Diagnostic radiology is Dr. Leffler's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Leffler is licensed in New Jersey.
Specialties and state licenses
- Diagnostic radiology, New JerseyPrimary
Diagnostic radiologists near Dr. Leffler
Counts of diagnostic radiologists 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. Steven I. Leffler billed Medicare for 4,975 services in 2024
CMS data shows 4,975 Medicare services from Dr. Leffler across 43 procedure codes in 2024, for 3,271 Medicare patients. Medicare paid $62,074 for them.
Dr. Leffler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 9122024: 4,906438%
- Tests and treatments
- 2023: 02024: 69
Where Dr. Leffler's Medicare services took place, 2024
- In an office882%
- In a facility4,88798%
Dr. Leffler compared with the New York median for diagnostic radiologists, 2024
- Dr. Leffler
- New York median
- Medicare services
- 4,975vs 2,4142.1 times
- Medicare patients
- 3,271vs 1,1592.8 times
Medians across 2,610 diagnostic radiologists in New York with Dmand AI profiles that report each measure.
Dr. Leffler'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leffler and other diagnostic radiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven I. Leffler treated 3,271 Medicare patients in 2024, average age 78
CMS counts 3,271 Medicare patients who saw Dr. Leffler in 2024. The largest group is 75 to 84, with 1,191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.24, 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. Leffler's median patient age at 63, with 64% women.
Dr. Leffler's Medicare patients by age, 2024
Dr. Leffler's Medicare patients by sex, 2024
- Women1,87757%
- Men1,39443%
Chronic conditions among Dr. Leffler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes50%
- Ischemic heart disease47%
- Heart failure40%
- Chronic kidney disease37%
- COPD36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leffler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women64%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Steven I. Leffler graduated from Hahneman Medical College of the Pacific
Dr. Leffler graduated from Hahneman Medical College of the Pacific in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven I. Leffler'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Steven I. Leffler
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. Steven I. Leffler's NPI number?
Dr. Steven I. Leffler's NPI number is 1326056995. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven I. Leffler?
Dr. Steven I. Leffler is a diagnostic radiologist in Yonkers, New York. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Steven I. Leffler practice?
Dr. Leffler practices at 976 North Broadway, Yonkers, NY 10701. Dr. Leffler also practices at 967 N Broadway, Yonkers, NY 10701. Dr. Leffler's primary practice is St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital. Dmand AI also links Dr. Leffler to 3 hospitals, 7 medical groups, 4 group practices and clinics and 1 breast imaging center.
What is Dr. Steven I. Leffler's office phone number?
The practice phone on file for Dr. Leffler is (914) 964-4444.
What is Dr. Steven I. Leffler's medical license number?
Dr. Leffler holds New Jersey license 25MA05491100.
Which hospitals is Dr. Steven I. Leffler affiliated with?
Dr. Leffler practices at St. John's Riverside Hospital in Yonkers, New York. Dr. Leffler is also affiliated with Saint Joseph's Medical Center. Dmand AI links Dr. Leffler to 3 more hospitals.
What medical group is Dr. Steven I. Leffler part of?
Dr. Leffler is linked to Empire State Radiology. Dmand AI links Dr. Leffler to 7 more medical groups.
Does Dr. Steven I. Leffler accept Medicare?
Yes. CMS data shows Dr. Leffler billed Medicare for 4,975 services in 2024.
How many Medicare patients does Dr. Steven I. Leffler see?
CMS counts 3,271 Medicare patients who saw Dr. Leffler in 2024, with an average age of 78.
What services does Dr. Steven I. Leffler bill to Medicare?
In 2024, Dr. Leffler's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and ultrasound (76882).
Where did Dr. Steven I. Leffler go to medical school?
Dr. Leffler graduated from Hahneman Medical College of the Pacific in 1984.
How long has Dr. Steven I. Leffler been practicing?
Dr. Leffler graduated from medical school in 1984, 42 years ago.
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