Dr. Carol Ann Killian, MD
- Medicare services, 2024
- 212
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 23
- 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
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Dr. Carol Ann Killian is an emergency medicine physician in Mount Kisco, New York
Dr. Killian practices at Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
Dr. Killian's NPI, 1841285335, was assigned on September 12, 2005. Dr. Killian graduated from University at Buffalo School of Medicine in 1994. Dr. Killian holds New York license 206671.
- NPI
- 1841285335NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901851864
- NPI enumeration date
- September 12, 2005
- 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
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carol Ann Killian practices at Northern Westchester Hospital in Mount Kisco, New York
Dr. Killian'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. Carol Ann Killian is affiliated with 1 site of care and 2 medical groups
Dr. Killian'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. Killian to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Carol Ann Killian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Killian 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. Carol Ann Killian is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Killian's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Killian is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Killian
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. Carol Ann Killian billed Medicare for 212 services in 2024
CMS data shows 212 Medicare services from Dr. Killian across 3 procedure codes in 2024, for 216 Medicare patients. Medicare paid $31,873 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Killian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2402024: 21212%
Dr. Killian compared with the New York median for emergency medicine physicians, 2024
- Dr. Killian
- New York median
- Medicare services
- 212vs 219Close to median
- Medicare patients
- 216vs 216Close to median
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Killian'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carol Ann Killian treated 216 Medicare patients in 2024, average age 78
CMS counts 216 Medicare patients who saw Dr. Killian in 2024. The largest group is 75 to 84, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.87, 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. Killian's median patient age at 66, with 54% women.
Dr. Killian's Medicare patients by age, 2024
Dr. Killian's Medicare patients by sex, 2024
- Women11754%
- Men9946%
Chronic conditions among Dr. Killian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease48%
- Anxiety41%
- Mood disorders38%
- Depression37%
- Atrial fibrillation33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Killian'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
- Women54%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carol Ann Killian wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Killian wrote 23 Medicare Part D claims for 21 patients. 96% of them were for generic drugs.
Dr. Killian's Part D claims by kind of drug, 2024
- Generic22 claims96%
- Brand-name and other1 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Carol Ann Killian 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. Killian for performance year 2024, reported through an alternative payment model (APM). Dr. Killian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Killian'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. Carol Ann Killian graduated from University at Buffalo School of Medicine
Dr. Killian graduated from University at Buffalo School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carol Ann Killian'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 (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) |
| 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. Carol Ann Killian
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What is Dr. Carol Ann Killian's NPI number?
Dr. Carol Ann Killian's NPI number is 1841285335. It was assigned on September 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Carol Ann Killian?
Dr. Carol Ann Killian 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. Carol Ann Killian practice?
Dr. Killian practices at 400 East Main Street, Mount Kisco, NY 10549. Dr. Killian's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. Dmand AI also links Dr. Killian to 1 medical group.
What is Dr. Carol Ann Killian's office phone number?
The practice phone on file for Dr. Killian is (914) 666-1200.
What is Dr. Carol Ann Killian's medical license number?
Dr. Killian holds New York license 206671.
Which hospitals is Dr. Carol Ann Killian affiliated with?
Dr. Killian practices at Northern Westchester Hospital in Mount Kisco, New York.
What medical group is Dr. Carol Ann Killian part of?
Dr. Killian is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Killian to 1 more medical group.
Does Dr. Carol Ann Killian accept Medicare?
Yes. CMS data shows Dr. Killian billed Medicare for 212 services in 2024, and Dr. Killian accepts Medicare assignment.
What is Dr. Carol Ann Killian's MIPS score?
Dr. Killian'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. Carol Ann Killian see?
CMS counts 216 Medicare patients who saw Dr. Killian in 2024, with an average age of 78.
Show 3 more questionsShow fewer questions
What services does Dr. Carol Ann Killian bill to Medicare?
In 2024, Dr. Killian's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. Carol Ann Killian go to medical school?
Dr. Killian graduated from University at Buffalo School of Medicine in 1994.
How long has Dr. Carol Ann Killian been practicing?
Dr. Killian graduated from medical school in 1994, 32 years ago.
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