Dr. Michael A. Nicholas, DO
- Medicare services, 2024
- 708
- Medicare patients, 2024
- 373
- Part D claims, 2024
- 3,261
- Hospital affiliations
- 1
- Industry payments
- $34,334
- Practice address
- 4321 Fir Street, East Chicago, IN 46312
- Practice phone
- Call (219) 392-7004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nicholas' professional email, personal email and mobile number
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Dr. Michael A. Nicholas is an interventional cardiologist in East Chicago, Indiana
Dr. Nicholas practices at St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System.
Dr. Nicholas' NPI, 1598740748, was assigned on December 9, 2005. Dr. Nicholas graduated from West Virginia School of Osteopathic Medicine in 1979. Dr. Nicholas holds Indiana license 02000901A.
- NPI
- 1598740748NPI Registry (opens in a new tab)
- NPI enumeration date
- December 9, 2005
- NPI status
- Active
- Practice phone
- (219) 392-7004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael A. Nicholas practices at St. Catherine Hospital in East Chicago, Indiana
Dr. Nicholas' primary practice is St. Catherine Hospital, at 4321 Fir Street, East Chicago, IN 46312 in Lake County. The practice phone is (219) 392-7004.
- St. Catherine Hospital4321 Fir Street, East Chicago, IN 46312 · Lake CountyPhone(219) 392-7004
Source: Dmand AI Affiliation Data
Dr. Michael A. Nicholas is affiliated with 1 site of care and 1 medical group
Dr. Nicholas' primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System. The medical group on file is Franciscan Physician Network.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael A. Nicholas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicholas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Catherine Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Nicholas is one of 151 interventional cardiologists in Indiana
Interventional cardiology is Dr. Nicholas' primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Nicholas is licensed in Indiana.
Specialties and state licenses
- Interventional cardiology, IndianaPrimary
Interventional cardiologists near Dr. Nicholas
Counts of interventional cardiologists 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. Michael A. Nicholas billed Medicare for 708 services in 2024
CMS data shows 708 Medicare services from Dr. Nicholas across 17 procedure codes in 2024, for 373 Medicare patients. Medicare paid $63,366 for them.
Dr. Nicholas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4702024: 27841%
- Office and hospital visits
- 2023: 4192024: 27634%
- Imaging
- 2023: 1872024: 8057%
- Surgery
- 2023: 1222024: 7439%
Where Dr. Nicholas' Medicare services took place, 2024
- In an office23733%
- In a facility47167%
Dr. Nicholas compared with the Indiana median for interventional cardiologists, 2024
- Dr. Nicholas
- Indiana median
- Medicare services
- 708vs 1,60056% below
- Medicare patients
- 373vs 82555% below
- Part D claims
- 2,965vs 3,67819% below
Medians across 152 interventional cardiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Nicholas' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nicholas and other interventional cardiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Nicholas treated 373 Medicare patients in 2024, average age 78
CMS counts 373 Medicare patients who saw Dr. Nicholas in 2024. The largest group is 75 to 84, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% 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 Dr. Nicholas' median patient age at 80, with 37% women.
Dr. Nicholas' Medicare patients by age, 2024
Dr. Nicholas' Medicare patients by sex, 2024
- Women17046%
- Men20354%
Chronic conditions among Dr. Nicholas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis52%
- Heart failure44%
- Diabetes40%
- Atrial fibrillation36%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nicholas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Nicholas wrote 3,261 Medicare Part D claims in 2024
In 2024, Dr. Nicholas wrote 3,261 Medicare Part D claims for 473 patients. 83% of them were for generic drugs. CMS names the drug for 2,965 of them, across 42 drugs with 11 or more claims each, at $550,984 in total drug cost. In 2023, CMS named 3,310 claims across 41 drugs.
Dr. Nicholas' Part D claims by kind of drug, 2024
- Generic2,710 claims83%
- Brand-name551 claims17%
Dr. Nicholas' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,3102024: 2,96510%
Drugs named by CMS: 42 in 2024, 41 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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Dr. Michael A. Nicholas received $34,334 in industry payments from 2016 to 2025
CMS Open Payments shows 804 general payments to Dr. Nicholas from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Boston Scientific Corporation paid the most, $4,871.
General payments to Dr. Nicholas by program year, 2016 to 2025
General payments to Dr. Nicholas by kind, 2016 to 2025
- Food and beverage$19,42757%
- Travel and lodging$14,77643%
- Gifts$750%
- Speaker and faculty fees$350%
- Education$200%
Companies that paid Dr. Nicholas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael A. Nicholas graduated from West Virginia School of Osteopathic Medicine
Dr. Nicholas graduated from West Virginia School of Osteopathic Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Nicholas'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) |
| 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) |
| 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. Michael A. Nicholas
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. Michael A. Nicholas' NPI number?
Dr. Michael A. Nicholas' NPI number is 1598740748. It was assigned on December 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Nicholas?
Dr. Michael A. Nicholas is an interventional cardiologist in East Chicago, Indiana. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Michael A. Nicholas practice?
Dr. Nicholas practices at 4321 Fir Street, East Chicago, IN 46312. Dr. Nicholas' primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System.
What is Dr. Michael A. Nicholas' office phone number?
The practice phone on file for Dr. Nicholas is (219) 392-7004.
What is Dr. Michael A. Nicholas' medical license number?
Dr. Nicholas holds Indiana license 02000901A.
Which hospitals is Dr. Michael A. Nicholas affiliated with?
Dr. Nicholas practices at St. Catherine Hospital in East Chicago, Indiana.
What medical group is Dr. Michael A. Nicholas part of?
Dr. Nicholas is linked to Franciscan Physician Network.
Does Dr. Michael A. Nicholas accept Medicare?
Yes. CMS data shows Dr. Nicholas billed Medicare for 708 services in 2024.
How many Medicare patients does Dr. Michael A. Nicholas see?
CMS counts 373 Medicare patients who saw Dr. Nicholas in 2024, with an average age of 78.
What services does Dr. Michael A. Nicholas bill to Medicare?
In 2024, Dr. Nicholas' most billed Medicare services were special service (99152), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Michael A. Nicholas go to medical school?
Dr. Nicholas graduated from West Virginia School of Osteopathic Medicine in 1979.
What drugs does Dr. Michael A. Nicholas prescribe most?
In 2024 Medicare Part D data, Dr. Nicholas' most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Amlodipine Besylate.
Has Dr. Michael A. Nicholas received payments from drug or device companies?
CMS Open Payments shows $34,334 in general payments to Dr. Nicholas from 47 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Michael A. Nicholas been practicing?
Dr. Nicholas graduated from medical school in 1979, 47 years ago.
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