Dr. I. Alex A. Iwaniw, MD
- Medicare services, 2022
- 300
- Part D claims, 2022
- 104
- Industry payments
- $2,250
- Affiliated sites
- 3
- Medical groups
- 6
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 314-6990
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice - Danbury (Reserve Rd)
Multi-specialty group site · Danbury, Connecticut
Find Dr. Iwaniw's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. I. Alex A. Iwaniw is an internist in Danbury, Connecticut
Dr. Iwaniw practices at Nuvance Health Medical Practice - Danbury (Reserve Rd) in Danbury, Connecticut.
Dr. Iwaniw's NPI, 1265578967, was assigned on January 29, 2007. Dr. Iwaniw graduated from CETEC University Santo Domingo in 1983. Dr. Iwaniw holds New York license 181599-1.
- NPI
- 1265578967NPI Registry (opens in a new tab)
- NPI enumeration date
- January 29, 2007
- NPI status
- Active
- Practice phone
- (203) 314-6990
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. I. Alex A. Iwaniw practices at Nuvance Health Medical Practice - Danbury (Reserve Rd) in Danbury, Connecticut
Dr. Iwaniw's primary practice is Nuvance Health Medical Practice - Danbury (Reserve Rd), at 100 Reserve Rd, Danbury, CT 06810. The practice phone is (203) 314-6990.
- Nuvance Health Medical Practice - Danbury (Reserve Rd)100 Reserve Rd, Danbury, CT 06810Phone(203) 314-6990
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. I. Alex A. Iwaniw is affiliated with 3 sites of care and 6 medical groups
Dr. Iwaniw's primary practice is Nuvance Health Medical Practice - Danbury (Reserve Rd) in Danbury, Connecticut. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Iwaniw to 5 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. I. Alex A. Iwaniw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Iwaniw practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice - Danbury (Reserve Rd) | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. I. Alex A. Iwaniw is one of 2,189 internists in Connecticut
Internal medicine is Dr. Iwaniw's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Iwaniw is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Iwaniw
Counts of internists 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. I. Alex A. Iwaniw billed Medicare for 300 services in 2022
CMS data shows 300 Medicare services from Dr. Iwaniw across 7 procedure codes in 2022. Medicare paid $16,434 for them. Every service was in an office.
Dr. Iwaniw's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2432022: 18823%
- Lab and pathology
- 2021: 1092022: 1123%
Dr. Iwaniw compared with the Connecticut median for internists, 2022
- Dr. Iwaniw
- Connecticut median
- Medicare services
- 300vs 39023% below
- Part D claims
- 104vs 34370% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Iwaniw's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Iwaniw and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. I. Alex A. Iwaniw's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Iwaniw's median patient age at 59, with 52% women.
Dr. Iwaniw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. I. Alex A. Iwaniw wrote 104 Medicare Part D claims in 2022
In 2022, Dr. Iwaniw wrote 104 Medicare Part D claims. They cover 6 drugs, with $915 in total drug cost. In 2021, CMS named 120 claims across 6 drugs.
Dr. Iwaniw's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1202022: 10413%
Drugs named by CMS: 6 in 2022, 6 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. I. Alex A. Iwaniw received $2,250 in industry payments from 2016 to 2020
CMS Open Payments shows 143 general payments to Dr. Iwaniw from 26 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $380.
General payments to Dr. Iwaniw by program year, 2016 to 2020
Companies that paid Dr. Iwaniw 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. I. Alex A. Iwaniw graduated from CETEC University Santo Domingo
Dr. Iwaniw graduated from CETEC University Santo Domingo in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. I. Alex A. Iwaniw'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. I. Alex A. Iwaniw
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. I. Alex A. Iwaniw's NPI number?
Dr. I. Alex A. Iwaniw's NPI number is 1265578967. It was assigned on January 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. I. Alex A. Iwaniw?
Dr. I. Alex A. Iwaniw is an internist in Danbury, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. I. Alex A. Iwaniw practice?
Dr. Iwaniw practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Iwaniw's primary practice is Nuvance Health Medical Practice - Danbury (Reserve Rd) in Danbury, Connecticut. Dmand AI also links Dr. Iwaniw to 5 medical groups and 2 group practices and clinics.
What is Dr. I. Alex A. Iwaniw's office phone number?
The practice phone on file for Dr. Iwaniw is (203) 314-6990.
What is Dr. I. Alex A. Iwaniw's medical license number?
Dr. Iwaniw holds New York license 181599-1.
What medical group is Dr. I. Alex A. Iwaniw part of?
Dr. Iwaniw is linked to Danbury Medical Group. Dmand AI links Dr. Iwaniw to 5 more medical groups.
Does Dr. I. Alex A. Iwaniw accept Medicare?
Yes. CMS data shows Dr. Iwaniw billed Medicare for 300 services in 2022.
What services does Dr. I. Alex A. Iwaniw bill to Medicare?
In 2022, Dr. Iwaniw's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87880) and office visit, new patient (99203).
Where did Dr. I. Alex A. Iwaniw go to medical school?
Dr. Iwaniw graduated from CETEC University Santo Domingo in 1983.
What drugs does Dr. I. Alex A. Iwaniw prescribe most?
In 2022 Medicare Part D data, Dr. Iwaniw's most prescribed drugs by claims were Amoxicillin, Nitrofurantoin Mono-Macro and Prednisone.
Has Dr. I. Alex A. Iwaniw received payments from drug or device companies?
CMS Open Payments shows $2,250 in general payments to Dr. Iwaniw from 26 companies from 2016 to 2020. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. I. Alex A. Iwaniw been practicing?
Dr. Iwaniw graduated from medical school in 1983, 43 years ago.
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