Dr. James K. Dwyer, MD
- Medicare services, 2024
- 29
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 11
- 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. Dwyer's professional email, personal email and mobile number
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Dr. James K. Dwyer is an emergency medicine physician in Mount Kisco, New York
Dr. Dwyer practices at Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
Dr. Dwyer's NPI, 1083658785, was assigned on June 15, 2006. Dr. Dwyer graduated from University at Buffalo School of Medicine in 2001. Dr. Dwyer holds New York license 227247-1.
- NPI
- 1083658785NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (914) 666-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James K. Dwyer practices at Northern Westchester Hospital in Mount Kisco, New York
Dr. Dwyer'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
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James K. Dwyer is affiliated with 1 site of care and 2 medical groups
Dr. Dwyer'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. Dwyer to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James K. Dwyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dwyer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Westchester Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James K. Dwyer is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Dwyer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Dwyer is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Dwyer
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. James K. Dwyer billed Medicare for 29 services in 2024
CMS data shows 29 Medicare services from Dr. Dwyer across 1 procedure code in 2024, for 48 Medicare patients. Medicare paid $4,480 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dwyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1802024: 2984%
Dr. Dwyer compared with the New York median for emergency medicine physicians, 2024
- Dr. Dwyer
- New York median
- Medicare services
- 29vs 21987% below
- Medicare patients
- 48vs 21678% below
- Part D claims
- 12vs 2959% below
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Dwyer'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. Dwyer 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. James K. Dwyer treated 48 Medicare patients in 2024, average age 83
CMS counts 48 Medicare patients who saw Dr. Dwyer in 2024. The largest group is 85 and over, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.96, 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. Dwyer's median patient age at 61, with 60% women.
Dr. Dwyer's Medicare patients by age, 2024
Dr. Dwyer's Medicare patients by sex, 2024
- Women2858%
- Men2042%
Chronic conditions among Dr. Dwyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Atrial fibrillation48%
- Ischemic heart disease48%
- Anxiety38%
- Chronic kidney disease35%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dwyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James K. Dwyer wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Dwyer wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $72 in total drug cost.
Dr. Dwyer's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. James K. Dwyer 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. Dwyer for performance year 2024, reported through an alternative payment model (APM).
Dr. Dwyer'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.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James K. Dwyer received $24 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Dwyer from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $24.
Companies that paid Dr. Dwyer the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James K. Dwyer graduated from University at Buffalo School of Medicine
Dr. Dwyer graduated from University at Buffalo School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James K. Dwyer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 | 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. James K. Dwyer
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. James K. Dwyer's NPI number?
Dr. James K. Dwyer's NPI number is 1083658785. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James K. Dwyer?
Dr. James K. Dwyer 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. James K. Dwyer practice?
Dr. Dwyer practices at 400 East Main Street, Mount Kisco, NY 10549. Dr. Dwyer's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. Dmand AI also links Dr. Dwyer to 1 medical group.
What is Dr. James K. Dwyer's office phone number?
The practice phone on file for Dr. Dwyer is (914) 666-1200.
What is Dr. James K. Dwyer's medical license number?
Dr. Dwyer holds New York license 227247-1.
Which hospitals is Dr. James K. Dwyer affiliated with?
Dr. Dwyer practices at Northern Westchester Hospital in Mount Kisco, New York.
What medical group is Dr. James K. Dwyer part of?
Dr. Dwyer is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Dwyer to 1 more medical group.
Does Dr. James K. Dwyer accept Medicare?
Yes. CMS data shows Dr. Dwyer billed Medicare for 29 services in 2024.
What is Dr. James K. Dwyer's MIPS score?
Dr. Dwyer'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. James K. Dwyer see?
CMS counts 48 Medicare patients who saw Dr. Dwyer in 2024, with an average age of 83.
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What services does Dr. James K. Dwyer bill to Medicare?
In 2024, Dr. Dwyer's most billed Medicare services were emergency department visit (99285).
Where did Dr. James K. Dwyer go to medical school?
Dr. Dwyer graduated from University at Buffalo School of Medicine in 2001.
What drugs does Dr. James K. Dwyer prescribe most?
In 2021 Medicare Part D data, Dr. Dwyer's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. James K. Dwyer received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Dwyer from 1 company from 2023 to 2023. The largest total came from Abbott Laboratories.
How long has Dr. James K. Dwyer been practicing?
Dr. Dwyer graduated from medical school in 2001, 25 years ago.
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