Dr. Leo Michael Michalek Jr., MD
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 1,238
- Industry payments
- $134
- State license
- 1
- Practice address
- 2157 Main St, Buffalo, NY 14214
- Practice phone
- Call (716) 862-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sisters of Charity Hospital
Buffalo, New York
Find Dr. Michalek'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. Leo Michael Michalek Jr. is a general practice physician in Buffalo, New York
Dr. Michalek practices at Sisters of Charity Hospital in Buffalo, New York.
Dr. Michalek's NPI, 1003801366, was assigned on September 13, 2005. Dr. Michalek graduated from University at Buffalo School of Medicine in 1964. Dr. Michalek holds New York license 094920.
- NPI
- 1003801366NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Practice phone
- (716) 862-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 88
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leo Michael Michalek Jr. practices at Sisters of Charity Hospital in Buffalo, New York
Dr. Michalek's primary practice is Sisters of Charity Hospital, at 2157 Main St, Buffalo, NY 14214 in Erie County. The practice phone is (716) 862-1000.
- Sisters of Charity Hospital2157 Main St, Buffalo, NY 14214 · Erie CountyPhone(716) 862-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leo Michael Michalek Jr. is affiliated with 1 site of care
Dr. Michalek's primary practice is Sisters of Charity Hospital in Buffalo, New York.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Leo Michael Michalek Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Michalek practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sisters of Charity Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leo Michael Michalek Jr. is one of 397 general practice physicians in New York
General practice is Dr. Michalek's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Michalek is licensed in New York.
Specialties and state licenses
- General practice, New YorkPrimary
General practice physicians near Dr. Michalek
Counts of general practice 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
Dr. Leo Michael Michalek Jr. billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Dr. Michalek across 2 procedure codes in 2024, all of them office visits, for 21 Medicare patients. Medicare paid $3,488 for them. Every service was in an office.
Dr. Michalek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 372024: 5241%
Dr. Michalek compared with the New York median for general practice physicians, 2024
- Dr. Michalek
- New York median
- Medicare services
- 52vs 35685% below
- Medicare patients
- 21vs 14085% below
- Part D claims
- 990vs 1267.9 times
Medians across 362 general practice physicians in New York with Dmand AI profiles that report each measure.
Dr. Michalek'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. Michalek?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Michalek and other general practice physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leo Michael Michalek Jr. treated 21 Medicare patients in 2024, average age 74
CMS counts 21 Medicare patients who saw Dr. Michalek in 2024. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Michalek's median patient age at 78, with 57% women.
Chronic conditions among Dr. Michalek's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Michalek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leo Michael Michalek Jr. wrote 1,238 Medicare Part D claims in 2024
In 2024, Dr. Michalek wrote 1,238 Medicare Part D claims for 108 patients. 94% of them were for generic drugs. CMS names the drug for 990 of them, across 31 drugs with 11 or more claims each, at $48,706 in total drug cost. In 2023, CMS named 1,100 claims across 33 drugs.
Dr. Michalek's Part D claims by kind of drug, 2024
- Generic1,164 claims94%
- Brand-name and other74 claims6%
Dr. Michalek'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 Dr. Michalek's Part D claims, 2024
- Antibiotics8%104 of 1,238 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: 1,1002024: 99010%
Drugs named by CMS: 31 in 2024, 33 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leo Michael Michalek Jr. received $134 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Michalek from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $134.
Companies that paid Dr. Michalek the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leo Michael Michalek Jr. graduated from University at Buffalo School of Medicine
Dr. Michalek graduated from University at Buffalo School of Medicine in 1964.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leo Michael Michalek Jr.'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 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. Leo Michael Michalek Jr.
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. Leo Michael Michalek Jr.'s NPI number?
Dr. Leo Michael Michalek Jr.'s NPI number is 1003801366. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo Michael Michalek Jr.?
Dr. Leo Michael Michalek Jr. is a general practice physician in Buffalo, New York. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Leo Michael Michalek Jr. practice?
Dr. Michalek practices at 2157 Main St, Buffalo, NY 14214. Dr. Michalek's primary practice is Sisters of Charity Hospital in Buffalo, New York.
What is Dr. Leo Michael Michalek Jr.'s office phone number?
The practice phone on file for Dr. Michalek is (716) 862-1000.
What is Dr. Leo Michael Michalek Jr.'s medical license number?
Dr. Michalek holds New York license 094920.
Does Dr. Leo Michael Michalek Jr. accept Medicare?
Yes. CMS data shows Dr. Michalek billed Medicare for 52 services in 2024.
How many Medicare patients does Dr. Leo Michael Michalek Jr. see?
CMS counts 21 Medicare patients who saw Dr. Michalek in 2024, with an average age of 74.
What services does Dr. Leo Michael Michalek Jr. bill to Medicare?
In 2024, Dr. Michalek's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Leo Michael Michalek Jr. go to medical school?
Dr. Michalek graduated from University at Buffalo School of Medicine in 1964.
What drugs does Dr. Leo Michael Michalek Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Michalek's most prescribed drugs by claims were Azithromycin, Famotidine and Metoprolol Succinate.
Has Dr. Leo Michael Michalek Jr. received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Dr. Michalek from 1 company from 2024 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. Leo Michael Michalek Jr. been practicing?
Dr. Michalek graduated from medical school in 1964, 62 years ago.
Selling to general practice practices?
See general practice physicians in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card