Dr. Brendan Dyer Killory, MD

  • Hartford, CT
  • Neurosurgeon
NPI1043490097PAC ID7719164193
Medicare services, 2024
169
Medicare patients, 2024
145
Part D claims, 2024
227
Publications
34
MIPS score, 2024
90
Practice address
80 Seymour Street, Hartford, CT 06102
Practice phone
Call (860) 545-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hartford Hospital

Hospital · Hartford, Connecticut

See all 10 affiliations

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Dr. Brendan Dyer Killory is a neurosurgeon in Hartford, Connecticut

Dr. Killory practices at Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare.

Dr. Killory's NPI, 1043490097, was assigned on November 7, 2007. Dr. Killory graduated from Vagelos College of Physicians and Surgeons in 2004. Dr. Killory holds Connecticut license 049554.

NPI and contact details
Medicare PAC ID
7719164193
NPI enumeration date
November 7, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(860) 545-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brendan Dyer Killory practices at Hartford Hospital in Hartford, Connecticut

Dr. Killory's primary practice is Hartford Hospital, at 80 Seymour Street, Hartford, CT 06102 in Hartford County. The practice phone is (860) 545-5000.

  • Hartford Hospital
    80 Seymour Street, Hartford, CT 06102 · Hartford CountyPhone(860) 545-5000

Source: Dmand AI Affiliation Data

Dr. Brendan Dyer Killory is affiliated with 8 sites of care and 2 medical groups

Dr. Killory's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dr. Killory is also affiliated with The Hospital of Central Connecticut. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Killory to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Killory

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Brendan Dyer Killory's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Killory practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hartford HospitalAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brendan Dyer Killory is one of 99 neurosurgeons in Connecticut

Neurological surgery is Dr. Killory's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Killory is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Killory's licenses on file in 3 states: Connecticut, Arizona and California.

Specialties and state licenses

  • Neurological surgery, ConnecticutPrimaryLicense 049554 · 2011 to 2026 · taxonomy 207T00000X
  • Arizona licenseLicense 80789
  • California license2017 to 2027

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Killory treats.

Neurosurgeons near Dr. Killory

Counts of neurosurgeons 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. Brendan Dyer Killory billed Medicare for 169 services in 2024

CMS data shows 169 Medicare services from Dr. Killory across 4 procedure codes in 2024, for 145 Medicare patients. Medicare paid $20,387 for them.

Medicare services, 2024169
Medicare patients145
Paid by Medicare$20,387
Procedure codes4

Dr. Killory's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2032024: 15723%
Surgery
2023: 432024: 1272%

Where Dr. Killory's Medicare services took place, 2024

  • In an office15793%
  • In a facility127%

Dr. Killory compared with the Connecticut median for neurosurgeons, 2024

  • Dr. Killory
  • Connecticut median
Medicare services
169vs 14120% above
Medicare patients
145vs 10538% above
Part D claims
185vs 306.2 times

Medians across 83 neurosurgeons in Connecticut with Dmand AI profiles that report each measure.

Dr. Killory'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.

See all procedures by Dr. Killory

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Brendan Dyer Killory treated 145 Medicare patients in 2024, average age 73

CMS counts 145 Medicare patients who saw Dr. Killory in 2024. The largest group is 75 to 84, with 62 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Killory's median patient age at 65, with 57% women.

Medicare patients, 2024145
Average age73
Average risk score1.44
Also on Medicaid23%

Dr. Killory's Medicare patients by age, 2024

Dr. Killory's Medicare patients by sex, 2024

  • Women8659%
  • Men5941%

Chronic conditions among Dr. Killory's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis64%
  4. Anxiety43%
  5. Mood disorders42%
  6. Depression39%
  7. Diabetes30%
  8. Ischemic heart disease28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Killory's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Brendan Dyer Killory wrote 227 Medicare Part D claims in 2024

In 2024, Dr. Killory wrote 227 Medicare Part D claims for 78 patients. 96% of them were for generic drugs. CMS names the drug for 185 of them, across 9 drugs with 11 or more claims each, at $10,159 in total drug cost. In 2023, CMS named 164 claims across 6 drugs.

Part D claims, 2024227
Drugs named by CMS9
Total drug cost$10,159
Part D patients78

Dr. Killory's Part D claims by kind of drug, 2024

  • Generic217 claims96%
  • Brand-name and other10 claims4%

Dr. Killory's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1642024: 18513%

Drugs named by CMS: 9 in 2024, 6 in 2023.

See all prescribing by Dr. Killory

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. Brendan Dyer Killory scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Killory for performance year 2024, reported as part of a group. Dr. Killory accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Killory as offering telehealth. CMS counts 39 procedures of spinal fusion by Dr. Killory, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Killory's MIPS scores, performance year 2024

  • 90of 100Final score
  • 83.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Killory ranks in Medicare procedure volume

Spinal fusion
50th percentile39 procedures
Laminectomy or laminotomy (partial removal of spine bones)
37th percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Brendan Dyer Killory has 34 publications on record

Dmand AI links 34 papers to Dr. Killory, published from 2010 to 2023. 2011 was the busiest year, with 4. The most frequent topics are Neurosurgical Procedures, Magnetic Resonance Imaging and Postoperative Complications. Dr. Killory has published most often in Neurosurgery. Dr. Killory's most frequent co-authors are Scott D. Wait, MD, Inam U. Kureshi, MD and Martin D. Ollenschleger, MD.

Papers34
Years published2010 to 2023

Dr. Killory's papers by year, 2010 to 2023

Topics Dr. Killory writes about most

  • Neurosurgical Procedures
  • Magnetic Resonance Imaging
  • Postoperative Complications
  • Brain Neoplasms
  • Cerebral Hemorrhage
  • Embolization, Therapeutic
  • Epilepsy, Absence
  • Microsurgery

Dr. Killory's most frequent co-authors

Recent publications by Dr. Killory

See all 34 publications and co-authors

See who Dr. Killory researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Killory works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Brendan Dyer Killory received $1,373 in industry payments from 2016 to 2025

CMS Open Payments shows 28 general payments to Dr. Killory from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. DePuy Synthes Sales Inc. paid the most, $638.

General payments to Dr. Killory by program year, 2016 to 2025

General payments to Dr. Killory by kind, 2016 to 2025

$1.4Kin total
  • Food and beverage$1,05076%
  • Travel and lodging$29521%
  • Entertainment$282%

Companies that paid Dr. Killory the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Killory

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brendan Dyer Killory graduated from Vagelos College of Physicians and Surgeons

Dr. Killory graduated from Vagelos College of Physicians and Surgeons in 2004. Dr. Killory is a member of AANS and CNS.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. Brendan Dyer Killory accepts plans from 14 insurance carriers

Dr. Killory is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Killory accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Brendan Dyer Killory's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brendan Dyer Killory

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. Brendan Dyer Killory's NPI number?

Dr. Brendan Dyer Killory's NPI number is 1043490097. It was assigned on November 7, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Brendan Dyer Killory?

Dr. Brendan Dyer Killory is a neurosurgeon in Hartford, Connecticut. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Brendan Dyer Killory practice?

Dr. Killory practices at 80 Seymour Street, Hartford, CT 06102. Dr. Killory's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Killory to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Brendan Dyer Killory's office phone number?

The practice phone on file for Dr. Killory is (860) 545-5000.

What is Dr. Brendan Dyer Killory's medical license number?

Dr. Killory holds Connecticut license 049554, one of the licenses on file in 3 states.

Which states has Dr. Brendan Dyer Killory been licensed in?

Dmand AI has state licenses on file for Dr. Killory in Connecticut (2011 to 2026), Arizona and California (2017 to 2027).

Which hospitals is Dr. Brendan Dyer Killory affiliated with?

Dr. Killory practices at Hartford Hospital in Hartford, Connecticut. Dr. Killory is also affiliated with The Hospital of Central Connecticut. Dmand AI links Dr. Killory to 3 more hospitals.

What medical group is Dr. Brendan Dyer Killory part of?

Dr. Killory is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Killory to 1 more medical group.

Does Dr. Brendan Dyer Killory accept Medicare?

Yes. CMS data shows Dr. Killory billed Medicare for 169 services in 2024, and Dr. Killory accepts Medicare assignment.

Does Dr. Brendan Dyer Killory offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Killory as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Brendan Dyer Killory's MIPS score?

Dr. Killory's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Brendan Dyer Killory see?

CMS counts 145 Medicare patients who saw Dr. Killory in 2024, with an average age of 73.

Is Dr. Brendan Dyer Killory board certified?

Yes. Dr. Killory is board certified in neurological surgery by the American Board of Neurological Surgery.

What services does Dr. Brendan Dyer Killory bill to Medicare?

In 2024, Dr. Killory's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

Where did Dr. Brendan Dyer Killory go to medical school?

Dr. Killory graduated from Vagelos College of Physicians and Surgeons in 2004.

What drugs does Dr. Brendan Dyer Killory prescribe most?

In 2024 Medicare Part D data, Dr. Killory's most prescribed drugs by claims were Tizanidine HCl, Gabapentin and Baclofen.

Has Dr. Brendan Dyer Killory received payments from drug or device companies?

CMS Open Payments shows $1,373 in general payments to Dr. Killory from 7 companies from 2016 to 2025. The largest total came from DePuy Synthes Sales Inc.

How long has Dr. Brendan Dyer Killory been practicing?

Dr. Killory graduated from medical school in 2004, 22 years ago.

Does Dr. Brendan Dyer Killory do research?

Dmand AI links 34 publications to Dr. Killory, published from 2010 to 2023.

Who does Dr. Brendan Dyer Killory publish with?

Dr. Killory's most frequent co-authors are Scott D. Wait, MD (13 shared papers), Inam U. Kureshi, MD (6 shared papers) and Martin D. Ollenschleger, MD (4 shared papers).

What insurance does Dr. Brendan Dyer Killory accept?

Dr. Killory is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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