Dr. Steven Mark Kellner, MD
- Industry payments
- $238
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 571 Chestnut St, Cedarhurst, NY 11516
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Cedarhurst, New York
Find Dr. Kellner'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. Steven Mark Kellner is a pediatrician in Cedarhurst, New York
Dr. Kellner practices at Caremount Medical in Cedarhurst, New York.
Dr. Kellner's NPI, 1740361492, was assigned on October 18, 2006. Dr. Kellner graduated from Tel Aviv University Sackler in 1988. Dr. Kellner holds New York license 178681-1.
- NPI
- 1740361492NPI Registry (opens in a new tab)
- NPI enumeration date
- October 18, 2006
- NPI status
- Active
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Steven Mark Kellner practices at Caremount Medical in Cedarhurst, New York
Dr. Kellner's primary practice is Caremount Medical, at 571 Chestnut St, Cedarhurst, NY 11516 in Nassau County. The practice phone is (914) 241-1050.
- Caremount Medical571 Chestnut St, Cedarhurst, NY 11516 · Nassau CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven Mark Kellner is affiliated with 3 sites of care and 2 medical groups
Dr. Kellner's primary practice is Caremount Medical in Cedarhurst, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Kellner to 2 more group practices and clinics and 1 medical group, 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. Steven Mark Kellner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kellner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Mark Kellner is one of 4,313 pediatricians in New York
Pediatrics is Dr. Kellner's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Kellner is licensed in New York.
Specialties and state licenses
- Pediatrics, New YorkPrimary
Pediatricians near Dr. Kellner
Counts of pediatricians 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 Mark Kellner's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Kellner's median patient age at 9, with 43% women.
Dr. Kellner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women43%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Steven Mark Kellner received $238 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Kellner from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 66% of the total. Welch Allyn paid the most, $82.
General payments to Dr. Kellner by program year, 2016 to 2025
General payments to Dr. Kellner by kind, 2016 to 2025
- Food and beverage$15666%
- Gifts$8234%
Companies that paid Dr. Kellner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Mark Kellner graduated from Tel Aviv University Sackler
Dr. Kellner graduated from Tel Aviv University Sackler in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven Mark Kellner'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (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 Mark Kellner
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 Mark Kellner's NPI number?
Dr. Steven Mark Kellner's NPI number is 1740361492. It was assigned on October 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Mark Kellner?
Dr. Steven Mark Kellner is a pediatrician in Cedarhurst, New York. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Steven Mark Kellner practice?
Dr. Kellner practices at 571 Chestnut St, Cedarhurst, NY 11516. Dr. Kellner's primary practice is Caremount Medical in Cedarhurst, New York. Dmand AI also links Dr. Kellner to 2 group practices and clinics and 1 medical group.
What is Dr. Steven Mark Kellner's office phone number?
The practice phone on file for Dr. Kellner is (914) 241-1050.
What is Dr. Steven Mark Kellner's medical license number?
Dr. Kellner holds New York license 178681-1.
What medical group is Dr. Steven Mark Kellner part of?
Dr. Kellner is linked to CareMount Medical. Dmand AI links Dr. Kellner to 1 more medical group.
Where did Dr. Steven Mark Kellner go to medical school?
Dr. Kellner graduated from Tel Aviv University Sackler in 1988.
Has Dr. Steven Mark Kellner received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to Dr. Kellner from 5 companies from 2016 to 2025. The largest total came from Welch Allyn.
How long has Dr. Steven Mark Kellner been practicing?
Dr. Kellner graduated from medical school in 1988, 38 years ago.
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