Alla Roman Koorn, M.D.
Anesthesiology Physician · Stamford, CT
Alla Roman Koorn, M.D. is an anesthesiology physician with a practice address in Stamford, Connecticut, and NPI 1053448589, issued on Feb 28, 2007. Check the license (Connecticut 041678, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alla Roman Koorn
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 041678 CT
Self-reported in NPPES; status is on the state search - Practice location
- 30 Shelburne RD, Stamford, CT 06902
- Phone
- (203) 276-7000
- Enumerated
- Feb 28, 2007
- Record last updated
- Jul 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 001416785 CT
- Medicare enrollment
- Enrolled (PECOS I20050215000734); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 797 in Connecticut → Look up another NPI →
Also registered at 30 Shelburne RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alla Roman Koorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 041678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Nuvance Health Medical Practice CT IncDanbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alla Roman Koorn among 797 anesthesiology physician records in Connecticut
Alla Roman Koorn, M.D. is one of 797 anesthesiology physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1989 · median 2006 among the 550 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Connecticut
There are 797 anesthesiology physician records in Connecticut.
All 797 in Connecticut → Every provider in Stamford → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Steven Finkel, M.D.Stamford, CT 069021750423455
- Jay Freilich, M.D.Stamford, CT 069021376679035
- Ayse Genc, MDStamford, CT 069021417017989
- Kamel Ghandour, M.D.Stamford, CT 069021568401024
- Mohammad Hadi Gharedaghi, MD-MPHStamford, CT 069021912391079
- Ronald Giannotto, M.D.Stamford, CT 069021023145448
- Eric Jankelovits, M.D.Stamford, CT 069021881721116
- Anitha Kilari, M.DStamford, CT 069021720234453
Common questions
What is Alla Roman Koorn, M.D.'s NPI number?
Alla Roman Koorn, M.D.'s National Provider Identifier (NPI) is 1053448589, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alla Roman Koorn, M.D. located?
The NPPES record lists a practice address at 30 Shelburne RD, Stamford, CT, 06902. Phone: (203) 276-7000. Providers update this record themselves, so call before visiting.
How can I verify Alla Roman Koorn, M.D.'s license?
NPPES lists Connecticut license number 041678, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Alla Roman Koorn, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.