Ernest Sliwinski
- Medicare services, 2024
- 463
- Medicare patients, 2024
- 433
- Part D claims, 2024
- 132
- Hospital affiliations
- 1
- Medical groups
- 4
- Practice address
- 34 Maple St, Norwalk, CT 06850
- Practice phone
- Call (203) 852-2216
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norwalk Hospital
Norwalk, Connecticut
Find Ernest Sliwinski's professional email, personal email and mobile number
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Ernest Sliwinski is an emergency medicine physician in Norwalk, Connecticut
Ernest Sliwinski practices at Norwalk Hospital in Norwalk, Connecticut.
Ernest Sliwinski's NPI, 1770900789, was assigned on March 27, 2014. Ernest Sliwinski graduated from Albert Einstein College of Medicine of Yeshiva University in 2014. Ernest Sliwinski holds Connecticut license 59959.
- NPI
- 1770900789NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2014
- NPI status
- Active
- Practice phone
- (203) 852-2216
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Ernest Sliwinski practices at Norwalk Hospital in Norwalk, Connecticut
Ernest Sliwinski's primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2216.
- Norwalk Hospital34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2216
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ernest Sliwinski is affiliated with 3 sites of care and 4 medical groups
Ernest Sliwinski's primary practice is Norwalk Hospital in Norwalk, Connecticut. Ernest Sliwinski is also affiliated with The Hospital of Central Connecticut. The medical group on file is Norwalk Hospital. Dmand AI also links Ernest Sliwinski to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ernest Sliwinski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ernest Sliwinski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norwalk Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ernest Sliwinski is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Ernest Sliwinski's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Ernest Sliwinski is licensed in Connecticut.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
Emergency medicine physicians near Ernest Sliwinski
Counts of emergency medicine physicians 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
Ernest Sliwinski billed Medicare for 463 services in 2024
CMS data shows 463 Medicare services from Ernest Sliwinski across 3 procedure codes in 2024, for 433 Medicare patients. Medicare paid $62,659 for them. Every service was in a facility, such as a hospital, rather than an office.
Ernest Sliwinski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4432024: 4635%
Ernest Sliwinski compared with the Connecticut median for emergency medicine physicians, 2024
- Ernest Sliwinski
- Connecticut median
- Medicare services
- 463vs 24391% above
- Medicare patients
- 433vs 25073% above
- Part D claims
- 46vs 48Close to median
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Ernest Sliwinski'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Ernest Sliwinski treated 433 Medicare patients in 2024, average age 79
CMS counts 433 Medicare patients who saw Ernest Sliwinski in 2024. The largest group is 85 and over, with 159 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ernest Sliwinski's median patient age at 73, with 54% women.
Ernest Sliwinski's Medicare patients by age, 2024
Ernest Sliwinski's Medicare patients by sex, 2024
- Women25659%
- Men17741%
Chronic conditions among Ernest Sliwinski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Anxiety42%
- Mood disorders41%
- Ischemic heart disease40%
- Depression35%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Ernest Sliwinski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ernest Sliwinski wrote 132 Medicare Part D claims in 2024
In 2024, Ernest Sliwinski wrote 132 Medicare Part D claims for 102 patients. 92% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $217 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.
Ernest Sliwinski's Part D claims by kind of drug, 2024
- Generic122 claims92%
- Brand-name and other10 claims8%
Ernest Sliwinski'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.
Drug classes CMS tracks in Ernest Sliwinski's Part D claims, 2024
- Antibiotics49%65 of 132 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 302024: 4653%
Drugs named by CMS: 3 in 2024, 2 in 2023.
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
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Ernest Sliwinski graduated from Albert Einstein College of Medicine of Yeshiva University
Ernest Sliwinski graduated from Albert Einstein College of Medicine of Yeshiva University in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ernest Sliwinski'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Part D prescribing | Medicare 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) |
| 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 Ernest Sliwinski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ernest Sliwinski's NPI number?
Ernest Sliwinski's NPI number is 1770900789. It was assigned on March 27, 2014, and it is active in the NPI Registry.
What does Ernest Sliwinski specialize in?
Ernest Sliwinski is an emergency medicine physician in Norwalk, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Ernest Sliwinski practice?
Ernest Sliwinski practices at 34 Maple St, Norwalk, CT 06850. Ernest Sliwinski's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Ernest Sliwinski to 3 medical groups and 1 group practice or clinic.
What is Ernest Sliwinski's office phone number?
The practice phone on file for Ernest Sliwinski is (203) 852-2216.
What is Ernest Sliwinski's medical license number?
Ernest Sliwinski holds Connecticut license 59959.
Which hospitals is Ernest Sliwinski affiliated with?
Ernest Sliwinski is affiliated with The Hospital of Central Connecticut.
What medical group is Ernest Sliwinski part of?
Ernest Sliwinski is linked to Norwalk Hospital. Dmand AI links Ernest Sliwinski to 3 more medical groups.
Does Ernest Sliwinski accept Medicare?
Yes. CMS data shows Ernest Sliwinski billed Medicare for 463 services in 2024.
How many Medicare patients does Ernest Sliwinski see?
CMS counts 433 Medicare patients who saw Ernest Sliwinski in 2024, with an average age of 79.
What services does Ernest Sliwinski bill to Medicare?
In 2024, Ernest Sliwinski's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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Where did Ernest Sliwinski go to medical school?
Ernest Sliwinski graduated from Albert Einstein College of Medicine of Yeshiva University in 2014.
What drugs does Ernest Sliwinski prescribe most?
In 2024 Medicare Part D data, Ernest Sliwinski's most prescribed drugs by claims were Cephalexin, Amoxicillin-Clavulanate Potass and Prednisone.
How long has Ernest Sliwinski been practicing?
Ernest Sliwinski graduated from medical school in 2014, 12 years ago.
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