Dr. John M. Piersma, MD
- Medicare services, 2019
- 550
- Part D claims, 2024
- 2,127
- Hospital affiliations
- 1
- Industry payments
- $92
- State license
- 1
- Practice address
- 2139 Auburn Avenue, Cincinnati, OH 45219
- Practice phone
- Call (513) 585-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John M. Piersma is an internist in Cincinnati, Ohio
Dr. Piersma practices at The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network.
Dr. Piersma's NPI, 1023130499, was assigned on April 4, 2007. Dr. Piersma holds Ohio license 35095620.
- NPI
- 1023130499NPI Registry (opens in a new tab)
- NPI enumeration date
- April 4, 2007
- NPI status
- Active
- Practice phone
- (513) 585-2000
- 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 Affiliation Data
Dr. John M. Piersma practices at The Christ Hospital in Cincinnati, Ohio
Dr. Piersma's primary practice is The Christ Hospital, at 2139 Auburn Avenue, Cincinnati, OH 45219 in Hamilton County. The practice phone is (513) 585-2000.
- The Christ Hospital2139 Auburn Avenue, Cincinnati, OH 45219 · Hamilton CountyPhone(513) 585-2000
Source: Dmand AI Affiliation Data
Dr. John M. Piersma is affiliated with 1 site of care
Dr. Piersma's primary practice is The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John M. Piersma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Piersma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Christ Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. Piersma is one of 4,708 internists in Ohio
Internal medicine is Dr. Piersma's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Piersma is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Piersma
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. John M. Piersma billed Medicare for 550 services in 2019
CMS data shows 550 Medicare services from Dr. Piersma across 7 procedure codes in 2019. Medicare paid $20,115 for them. Every service was in an office.
Dr. Piersma's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 7562019: 42444%
- Other services
- 2018: 2122019: 7664%
- Tests and treatments
- 2018: 1852019: 2785%
- Lab and pathology
- 2018: 432019: 2347%
Dr. Piersma compared with the Ohio median for internists, 2019
- Dr. Piersma
- Ohio median
- Medicare services
- 550vs 48713% above
- Part D claims
- 1,657vs 2945.6 times
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Piersma's most billed Medicare procedure codes, 2019
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. Piersma and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Piersma's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Piersma's median patient age at 73, with 40% women.
Dr. Piersma'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
- Women40%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. John M. Piersma wrote 2,127 Medicare Part D claims in 2024
In 2024, Dr. Piersma wrote 2,127 Medicare Part D claims for 151 patients. 89% of them were for generic drugs. CMS names the drug for 1,657 of them, across 54 drugs with 11 or more claims each, at $103,631 in total drug cost. In 2023, CMS named 1,575 claims across 55 drugs.
Dr. Piersma's Part D claims by kind of drug, 2024
- Generic1,891 claims89%
- Brand-name and other236 claims11%
Dr. Piersma'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. Piersma's Part D claims, 2024
- Opioids1%19 of 2,127 claims
- Antibiotics4%75 of 2,127 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: 1,5752024: 1,6575%
Drugs named by CMS: 54 in 2024, 55 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. John M. Piersma received $92 in industry payments from 2016 to 2020
CMS Open Payments shows 7 general payments to Dr. Piersma from 4 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $44.
General payments to Dr. Piersma by program year, 2016 to 2020
Companies that paid Dr. Piersma the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John M. Piersma'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John M. Piersma
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. John M. Piersma's NPI number?
Dr. John M. Piersma's NPI number is 1023130499. It was assigned on April 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Piersma?
Dr. John M. Piersma is an internist in Cincinnati, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John M. Piersma practice?
Dr. Piersma practices at 2139 Auburn Avenue, Cincinnati, OH 45219. Dr. Piersma's primary practice is The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network.
What is Dr. John M. Piersma's office phone number?
The practice phone on file for Dr. Piersma is (513) 585-2000.
What is Dr. John M. Piersma's medical license number?
Dr. Piersma holds Ohio license 35095620.
Which hospitals is Dr. John M. Piersma affiliated with?
Dr. Piersma practices at The Christ Hospital in Cincinnati, Ohio.
Does Dr. John M. Piersma accept Medicare?
Yes. CMS data shows Dr. Piersma billed Medicare for 550 services in 2019.
What services does Dr. John M. Piersma bill to Medicare?
In 2019, Dr. Piersma's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. John M. Piersma prescribe most?
In 2024 Medicare Part D data, Dr. Piersma's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Escitalopram Oxalate.
Has Dr. John M. Piersma received payments from drug or device companies?
CMS Open Payments shows $92 in general payments to Dr. Piersma from 4 companies from 2016 to 2020. The largest total came from Eli Lilly and Company.
How long has Dr. John M. Piersma been practicing?
Dr. Piersma's NPI was assigned in 2007.
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