Dr. Alla Roman Koorn, MD
- Medicare services, 2024
- 99
- Medicare patients, 2024
- 191
- Hospital affiliations
- 2
- Industry payments
- $82
- Medical groups
- 2
- Practice address
- 24 Hospital Ave, Danbury, CT 06810
- Practice phone
- Call (203) 739-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koorn's professional email, personal email and mobile number
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Dr. Alla Roman Koorn is an anesthesiologist in Danbury, Connecticut
Dr. Koorn practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.
Dr. Koorn's NPI, 1053448589, was assigned on February 28, 2007. Dr. Koorn graduated from Kharkiv National Medical University in 1989. Dr. Koorn holds Connecticut license 041678.
- NPI
- 1053448589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072565381
- NPI enumeration date
- February 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 739-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alla Roman Koorn practices at Northwell Danbury Hospital in Danbury, Connecticut
Dr. Koorn's primary practice is Northwell Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Fairfield County. The practice phone is (203) 739-7000.
- Northwell Danbury Hospital24 Hospital Ave, Danbury, CT 06810 · Fairfield CountyPhone(203) 739-7000
Source: Dmand AI Affiliation Data
Dr. Alla Roman Koorn is affiliated with 3 sites of care and 2 medical groups
Dr. Koorn's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dr. Koorn is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Koorn to 1 more group practice or clinic 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. Alla Roman Koorn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koorn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Danbury 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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Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alla Roman Koorn is one of 654 anesthesiologists in Connecticut
Anesthesiology is Dr. Koorn's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Koorn is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Koorn is licensed in Connecticut.
Specialties and state licenses
- Anesthesiology, ConnecticutPrimary
Anesthesiologists near Dr. Koorn
Counts of anesthesiologists 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. Alla Roman Koorn billed Medicare for 99 services in 2024
CMS data shows 99 Medicare services from Dr. Koorn across 5 procedure codes in 2024, for 191 Medicare patients. Medicare paid $11,605 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Koorn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1362024: 9927%
Dr. Koorn compared with the Connecticut median for anesthesiologists, 2024
- Dr. Koorn
- Connecticut median
- Medicare services
- 99vs 8911% above
- Medicare patients
- 191vs 16019% above
Medians across 636 anesthesiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Koorn'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.
Need commercial claims for Dr. Koorn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Koorn and other anesthesiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alla Roman Koorn treated 191 Medicare patients in 2024, average age 75
CMS counts 191 Medicare patients who saw Dr. Koorn in 2024. The largest group is 75 to 84, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.60, 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. Koorn's median patient age at 64, with 57% women.
Dr. Koorn's Medicare patients by age, 2024
Dr. Koorn's Medicare patients by sex, 2024
- Women10052%
- Men9148%
Chronic conditions among Dr. Koorn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease41%
- Mood disorders33%
- Anxiety32%
- Chronic kidney disease32%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koorn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Alla Roman Koorn takes part in Medicare
Dr. Koorn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alla Roman Koorn received $82 in industry payments from 2016 to 2020
CMS Open Payments shows 5 general payments to Dr. Koorn from 3 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $48.
General payments to Dr. Koorn by program year, 2016 to 2020
Companies that paid Dr. Koorn the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alla Roman Koorn graduated from Kharkiv National Medical University
Dr. Koorn graduated from Kharkiv National Medical University in 1989.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Sources for Dr. Alla Roman Koorn'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Alla Roman Koorn
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. Alla Roman Koorn's NPI number?
Dr. Alla Roman Koorn's NPI number is 1053448589. It was assigned on February 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Alla Roman Koorn?
Dr. Alla Roman Koorn is an anesthesiologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Alla Roman Koorn practice?
Dr. Koorn practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Koorn's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Koorn to 1 group practice or clinic and 1 medical group.
What is Dr. Alla Roman Koorn's office phone number?
The practice phone on file for Dr. Koorn is (203) 739-7000.
What is Dr. Alla Roman Koorn's medical license number?
Dr. Koorn holds Connecticut license 041678.
Which hospitals is Dr. Alla Roman Koorn affiliated with?
Dr. Koorn practices at Northwell Danbury Hospital in Danbury, Connecticut. Dr. Koorn is also affiliated with Norwalk Hospital.
What medical group is Dr. Alla Roman Koorn part of?
Dr. Koorn is linked to Danbury Medical Group. Dmand AI links Dr. Koorn to 1 more medical group.
Does Dr. Alla Roman Koorn accept Medicare?
Yes. CMS data shows Dr. Koorn billed Medicare for 99 services in 2024, and Dr. Koorn accepts Medicare assignment.
How many Medicare patients does Dr. Alla Roman Koorn see?
CMS counts 191 Medicare patients who saw Dr. Koorn in 2024, with an average age of 75.
Is Dr. Alla Roman Koorn board certified?
Yes. Dr. Koorn is board certified in anesthesiology by the American Board of Anesthesiology.
Show 4 more questionsShow fewer questions
What services does Dr. Alla Roman Koorn bill to Medicare?
In 2024, Dr. Koorn's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).
Where did Dr. Alla Roman Koorn go to medical school?
Dr. Koorn graduated from Kharkiv National Medical University in 1989.
Has Dr. Alla Roman Koorn received payments from drug or device companies?
CMS Open Payments shows $82 in general payments to Dr. Koorn from 3 companies from 2016 to 2020. The largest total came from Abbvie Inc.
How long has Dr. Alla Roman Koorn been practicing?
Dr. Koorn graduated from medical school in 1989, 37 years ago.
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