BMJ Case Rep
COVID-19Gastric FistulaPandemics
Dr. Alexander John Piszker, DO
NPI1437733748
- Part D claims, 2024
- 176
- Publications
- 2
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 200 Jefferson SE Ave, Grand Rapids, MI 49503
- Practice phone
- Call (616) 685-5307
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trinity Health Grands Rapids
Grand Rapids, Michigan
Find Dr. Piszker'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. Alexander John Piszker is an emergency medicine physician in Grand Rapids, Michigan
Dr. Piszker practices at Trinity Health Grands Rapids in Grand Rapids, Michigan.
Dr. Piszker's NPI, 1437733748, was assigned on May 12, 2021. Dr. Piszker holds Michigan license 5101027165.
NPI and contact details
- NPI
- 1437733748NPI Registry (opens in a new tab)
- NPI enumeration date
- May 12, 2021
- NPI status
- Active
- Practice phone
- (616) 685-5307
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Alexander John Piszker practices at Trinity Health Grands Rapids in Grand Rapids, Michigan
Dr. Piszker's primary practice is Trinity Health Grands Rapids, at 200 Jefferson SE Ave, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 685-5307.
- Trinity Health Grands Rapids200 Jefferson SE Ave, Grand Rapids, MI 49503 · Kent CountyPhone(616) 685-5307
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexander John Piszker is affiliated with 3 sites of care and 2 medical groups
Dr. Piszker's primary practice is Trinity Health Grands Rapids in Grand Rapids, Michigan. Dr. Piszker is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Piszker to 1 more group practice or clinic and 1 medical group, each named with a free account.
Trinity Health Grands RapidsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alexander John Piszker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Piszker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Grands Rapids | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Piszker practices
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. Alexander John Piszker is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Piszker's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Piszker is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Piszker
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
Dr. Alexander John Piszker wrote 176 Medicare Part D claims in 2024
In 2024, Dr. Piszker wrote 176 Medicare Part D claims for 106 patients. 93% of them were for generic drugs. CMS names the drug for 79 of them, across 5 drugs with 11 or more claims each, at $324 in total drug cost. In 2023, CMS named 84 claims across 5 drugs.
Part D claims, 2024176
Drugs named by CMS5
Total drug cost$324
Part D patients106
Dr. Piszker's Part D claims by kind of drug, 2024
- Generic163 claims93%
- Brand-name13 claims7%
Dr. Piszker'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. Piszker's Part D claims, 2024
- Opioids8%14 of 176 claims
- Antibiotics35%61 of 176 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: 842024: 796%
Drugs named by CMS: 5 in 2024, 5 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
Find emergency medicine physicians like Dr. Piszker by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alexander John Piszker has 2 publications on record
Dmand AI links 2 papers to Dr. Piszker in 2022. Dr. Piszker's most frequent co-author is Nicholas M. McManus, DO.
Papers2
Dr. Piszker's most frequent co-authors
Recent publications by Dr. Piszker
Clin Pract Cases Emerg Med
See who Dr. Piszker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Piszker works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Alexander John Piszker'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Alexander John Piszker
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. Alexander John Piszker's NPI number?
Dr. Alexander John Piszker's NPI number is 1437733748. It was assigned on May 12, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander John Piszker?
Dr. Alexander John Piszker is an emergency medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alexander John Piszker practice?
Dr. Piszker practices at 200 Jefferson SE Ave, Grand Rapids, MI 49503. Dr. Piszker's primary practice is Trinity Health Grands Rapids in Grand Rapids, Michigan. Dmand AI also links Dr. Piszker to 1 group practice or clinic and 1 medical group.
What is Dr. Alexander John Piszker's office phone number?
The practice phone on file for Dr. Piszker is (616) 685-5307.
What is Dr. Alexander John Piszker's medical license number?
Dr. Piszker holds Michigan license 5101027165.
Which hospitals is Dr. Alexander John Piszker affiliated with?
Dr. Piszker is affiliated with Trinity Health Muskegon Hospital.
What medical group is Dr. Alexander John Piszker part of?
Dr. Piszker is linked to Trinity Health IHA Medical Group. Dmand AI links Dr. Piszker to 1 more medical group.
What drugs does Dr. Alexander John Piszker prescribe most?
In 2024 Medicare Part D data, Dr. Piszker's most prescribed drugs by claims were Prednisone, Cephalexin and Hydrocodone-Acetaminophen.
How long has Dr. Alexander John Piszker been practicing?
Dr. Piszker's NPI was assigned in 2021.
Does Dr. Alexander John Piszker do research?
Dmand AI links 2 publications to Dr. Piszker.
Who does Dr. Alexander John Piszker publish with?
Dr. Piszker's most frequent co-authors are Nicholas M. McManus, DO (2 shared papers).
Selling to emergency medicine practices?
See emergency medicine physicians in Michigan 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