Dr. Justiss Ailene Kallos, MD

  • Greenwich, CT
  • Neurosurgeon
NPI1053848986PAC ID0840568028
Hospital affiliations
2
Industry payments
$2,900
Medical group
1
State license
1
Year NPI issued
2017
Practice address
5 Perryridge Rd, Greenwich, CT 06830
Practice phone
Call (203) 863-3000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Greenwich Hospital

Hospital · Greenwich, Connecticut

See all 4 affiliations

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Dr. Justiss Ailene Kallos is a neurosurgeon in Greenwich, Connecticut

Dr. Kallos practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.

Dr. Kallos' NPI, 1053848986, was assigned on May 23, 2017. Dr. Kallos graduated from Vanderbilt University School of Medicine in 2017. Dr. Kallos holds New York license 330986-01.

NPI and contact details
Medicare PAC ID
0840568028
NPI enumeration date
May 23, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(203) 863-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

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

Dr. Justiss Ailene Kallos practices at Greenwich Hospital in Greenwich, Connecticut

Dr. Kallos' primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.

  • Greenwich Hospital
    5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000

Source: Dmand AI Affiliation Data

Dr. Justiss Ailene Kallos is affiliated with 3 sites of care and 1 medical group

Dr. Kallos' primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dr. Kallos is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is Weill Cornell Physicians. Dmand AI also links Dr. Kallos to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Kallos

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

Dmand AI tracks the EHR system at Dr. Justiss Ailene Kallos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kallos practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greenwich HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Justiss Ailene Kallos is one of 99 neurosurgeons in Connecticut

Neurological surgery is Dr. Kallos' primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Kallos is licensed in New York.

Specialties and state licenses

  • Neurological surgery, New YorkPrimaryLicense 330986-01 · taxonomy 207T00000X

Neurosurgeons near Dr. Kallos

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. Justiss Ailene Kallos' patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Kallos' median patient age at 71, with 43% women.

Dr. Kallos' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women43%
  • Men51%

Source: Dmand AI Patient Panel Data

Dr. Justiss Ailene Kallos ranks in the 61st percentile for spinal fusion in Medicare

Dr. Kallos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kallos as offering telehealth. CMS counts 62 procedures of spinal fusion by Dr. Kallos, more than 61% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Kallos ranks in Medicare procedure volume

Spinal fusion
61st percentile62 procedures
Laminectomy or laminotomy (partial removal of spine bones)
48th percentile19 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

Dr. Justiss Ailene Kallos received $2,900 in industry payments from 2024 to 2025

CMS Open Payments shows 12 general payments to Dr. Kallos from 4 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 74% of the total. icotec Medical Inc. paid the most, $2,591.

General payments to Dr. Kallos by program year, 2024 to 2025

General payments to Dr. Kallos by kind, 2024 to 2025

$2.9Kin total
  • Travel and lodging$2,13174%
  • Food and beverage$76826%

Companies that paid Dr. Kallos the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kallos

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

Dr. Justiss Ailene Kallos graduated from Vanderbilt University School of Medicine

Dr. Kallos graduated from Vanderbilt University School of Medicine in 2017.

  1. Medical schoolVanderbilt University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Justiss Ailene Kallos'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 patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Justiss Ailene Kallos

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. Justiss Ailene Kallos' NPI number?

Dr. Justiss Ailene Kallos' NPI number is 1053848986. It was assigned on May 23, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Justiss Ailene Kallos?

Dr. Justiss Ailene Kallos is a neurosurgeon in Greenwich, Connecticut. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Justiss Ailene Kallos practice?

Dr. Kallos practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Kallos' primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dmand AI also links Dr. Kallos to 1 group practice or clinic.

What is Dr. Justiss Ailene Kallos' office phone number?

The practice phone on file for Dr. Kallos is (203) 863-3000.

What is Dr. Justiss Ailene Kallos' medical license number?

Dr. Kallos holds New York license 330986-01.

Which hospitals is Dr. Justiss Ailene Kallos affiliated with?

Dr. Kallos practices at Greenwich Hospital in Greenwich, Connecticut. Dr. Kallos is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.

What medical group is Dr. Justiss Ailene Kallos part of?

Dr. Kallos is linked to Weill Cornell Physicians.

Does Dr. Justiss Ailene Kallos accept Medicare?

Yes. CMS lists Dr. Kallos as accepting Medicare assignment.

Does Dr. Justiss Ailene Kallos offer telehealth?

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

Where did Dr. Justiss Ailene Kallos go to medical school?

Dr. Kallos graduated from Vanderbilt University School of Medicine in 2017.

Has Dr. Justiss Ailene Kallos received payments from drug or device companies?

CMS Open Payments shows $2,900 in general payments to Dr. Kallos from 4 companies from 2024 to 2025. The largest total came from icotec Medical Inc.

How long has Dr. Justiss Ailene Kallos been practicing?

Dr. Kallos graduated from medical school in 2017, 9 years ago.

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