Dr. John S. Van Der Steeg, MD
- Medicare services, 2024
- 296
- Medicare patients, 2024
- 293
- Part D claims, 2024
- 39
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 400 East Main Street, Mount Kisco, NY 10549
- Practice phone
- Call (914) 666-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Van Der Steeg'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. John S. Van Der Steeg is an emergency medicine physician in Mount Kisco, New York
Dr. Van Der Steeg practices at Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
Dr. Van Der Steeg's NPI, 1558385724, was assigned on July 27, 2006. Dr. Van Der Steeg graduated from Pennsylvania State University College of Medicine in 1995. Dr. Van Der Steeg holds New York license 214832.
- NPI
- 1558385724NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466587449
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 666-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John S. Van Der Steeg practices at Northern Westchester Hospital in Mount Kisco, New York
Dr. Van Der Steeg's primary practice is Northern Westchester Hospital, at 400 East Main Street, Mount Kisco, NY 10549 in Westchester County. The practice phone is (914) 666-1200.
- Northern Westchester Hospital400 East Main Street, Mount Kisco, NY 10549 · Westchester CountyPhone(914) 666-1200
Source: Dmand AI Affiliation Data
Dr. John S. Van Der Steeg is affiliated with 3 sites of care and 2 medical groups
Dr. Van Der Steeg's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Van Der Steeg to 2 more group practices and clinics and 1 medical group, 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. John S. Van Der Steeg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Van Der Steeg practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Westchester Hospital | 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. John S. Van Der Steeg is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Van Der Steeg's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Van Der Steeg is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Van Der Steeg
Counts of emergency medicine physicians 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. John S. Van Der Steeg billed Medicare for 296 services in 2024
CMS data shows 296 Medicare services from Dr. Van Der Steeg across 3 procedure codes in 2024, for 293 Medicare patients. Medicare paid $42,160 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Van Der Steeg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3392024: 29613%
Dr. Van Der Steeg compared with the New York median for emergency medicine physicians, 2024
- Dr. Van Der Steeg
- New York median
- Medicare services
- 296vs 21935% above
- Medicare patients
- 293vs 21636% above
- Part D claims
- 89vs 293.1 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Van Der Steeg'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. Van Der Steeg and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Van Der Steeg treated 293 Medicare patients in 2024, average age 77
CMS counts 293 Medicare patients who saw Dr. Van Der Steeg in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.91, 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. Van Der Steeg's median patient age at 66, with 51% women.
Dr. Van Der Steeg's Medicare patients by age, 2024
Dr. Van Der Steeg's Medicare patients by sex, 2024
- Women16255%
- Men13145%
Chronic conditions among Dr. Van Der Steeg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease43%
- Anxiety32%
- Atrial fibrillation32%
- Mood disorders32%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Van Der Steeg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John S. Van Der Steeg wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Van Der Steeg wrote 39 Medicare Part D claims for 31 patients. 92% of them were for generic drugs. They cover 4 drugs, with $453 in total drug cost.
Dr. Van Der Steeg's Part D claims by kind of drug, 2024
- Generic36 claims92%
- Brand-name and other3 claims8%
Dr. Van Der Steeg's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Van Der Steeg's Part D claims, 2024
- Antibiotics33%13 of 39 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. John S. Van Der Steeg scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Van Der Steeg for performance year 2024, reported through an alternative payment model (APM). Dr. Van Der Steeg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Van Der Steeg's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John S. Van Der Steeg received $109 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Van Der Steeg from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $76.
Companies that paid Dr. Van Der Steeg the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John S. Van Der Steeg graduated from Pennsylvania State University College of Medicine
Dr. Van Der Steeg graduated from Pennsylvania State University College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John S. Van Der Steeg'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 | Dmand AI Affiliation 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. John S. Van Der Steeg
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. John S. Van Der Steeg's NPI number?
Dr. John S. Van Der Steeg's NPI number is 1558385724. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Van Der Steeg?
Dr. John S. Van Der Steeg is an emergency medicine physician in Mount Kisco, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John S. Van Der Steeg practice?
Dr. Van Der Steeg practices at 400 East Main Street, Mount Kisco, NY 10549. Dr. Van Der Steeg's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. Dmand AI also links Dr. Van Der Steeg to 2 group practices and clinics and 1 medical group.
What is Dr. John S. Van Der Steeg's office phone number?
The practice phone on file for Dr. Van Der Steeg is (914) 666-1200.
What is Dr. John S. Van Der Steeg's medical license number?
Dr. Van Der Steeg holds New York license 214832.
Which hospitals is Dr. John S. Van Der Steeg affiliated with?
Dr. Van Der Steeg practices at Northern Westchester Hospital in Mount Kisco, New York.
What medical group is Dr. John S. Van Der Steeg part of?
Dr. Van Der Steeg is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Van Der Steeg to 1 more medical group.
Does Dr. John S. Van Der Steeg accept Medicare?
Yes. CMS data shows Dr. Van Der Steeg billed Medicare for 296 services in 2024, and Dr. Van Der Steeg accepts Medicare assignment.
What is Dr. John S. Van Der Steeg's MIPS score?
Dr. Van Der Steeg's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John S. Van Der Steeg see?
CMS counts 293 Medicare patients who saw Dr. Van Der Steeg in 2024, with an average age of 77.
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What services does Dr. John S. Van Der Steeg bill to Medicare?
In 2024, Dr. Van Der Steeg's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. John S. Van Der Steeg go to medical school?
Dr. Van Der Steeg graduated from Pennsylvania State University College of Medicine in 1995.
What drugs does Dr. John S. Van Der Steeg prescribe most?
In 2016 Medicare Part D data, Dr. Van Der Steeg's most prescribed drugs by claims were Oxycodone-Acetaminophen, Acetaminophen-Codeine and Prednisone.
Has Dr. John S. Van Der Steeg received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Van Der Steeg from 3 companies from 2016 to 2016. The largest total came from Cook Medical LLC.
How long has Dr. John S. Van Der Steeg been practicing?
Dr. Van Der Steeg graduated from medical school in 1995, 31 years ago.
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