Dr. James S. Heinzen, MD
- Medicare services, 2019
- 377
- Part D claims, 2024
- 347
- Hospital affiliations
- 1
- Medical groups
- 8
- State license
- 1
- Practice address
- 225 Memorial Drive, Berlin, WI 54923
- Practice phone
- Call (920) 361-1313
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Heinzen'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. James S. Heinzen is an emergency medicine physician in Berlin, Wisconsin
Dr. Heinzen practices at ThedaCare Medical Center-Berlin in Berlin, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Heinzen's NPI, 1013908409, was assigned on November 3, 2005. Dr. Heinzen holds Wisconsin license 39061.
- NPI
- 1013908409NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2005
- NPI status
- Active
- Practice phone
- (920) 361-1313
- 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. James S. Heinzen practices at ThedaCare Medical Center-Berlin in Berlin, Wisconsin
Dr. Heinzen's primary practice is ThedaCare Medical Center-Berlin, at 225 Memorial Drive, Berlin, WI 54923 in Green Lake County. The practice phone is (920) 361-1313.
- ThedaCare Medical Center-Berlin225 Memorial Drive, Berlin, WI 54923 · Green Lake CountyPhone(920) 361-1313
Source: Dmand AI Affiliation Data
Dr. James S. Heinzen is affiliated with 1 site of care and 8 medical groups
Dr. Heinzen's primary practice is ThedaCare Medical Center-Berlin in Berlin, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is ThedaCare Medical Center-Berlin. Dmand AI also links Dr. Heinzen to 7 more medical groups, each named with a free account. Dr. Heinzen's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James S. Heinzen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heinzen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Medical Center-Berlin | Available with a free account |
| +7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James S. Heinzen is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Heinzen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Heinzen is licensed in Wisconsin.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
Emergency medicine physicians near Dr. Heinzen
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. James S. Heinzen billed Medicare for 377 services in 2019
CMS data shows 377 Medicare services from Dr. Heinzen across 4 procedure codes in 2019. Medicare paid $25,609 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Heinzen's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 4762019: 25247%
- Tests and treatments
- 2018: 2692019: 12554%
Dr. Heinzen compared with the Wisconsin median for emergency medicine physicians, 2019
- Dr. Heinzen
- Wisconsin median
- Medicare services
- 377vs 24653% above
- Part D claims
- 181vs 573.2 times
Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Heinzen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James S. Heinzen's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Heinzen's median patient age at 53, with 53% women.
Dr. Heinzen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. James S. Heinzen wrote 347 Medicare Part D claims in 2024
In 2024, Dr. Heinzen wrote 347 Medicare Part D claims for 231 patients. 96% of them were for generic drugs. CMS names the drug for 181 of them, across 6 drugs with 11 or more claims each, at $1,013 in total drug cost. In 2023, CMS named 182 claims across 8 drugs.
Dr. Heinzen's Part D claims by kind of drug, 2024
- Generic334 claims96%
- Brand-name13 claims4%
Dr. Heinzen'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. Heinzen's Part D claims, 2024
- Opioids21%74 of 347 claims
- Antibiotics35%121 of 347 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: 1822024: 1811%
Drugs named by CMS: 6 in 2024, 8 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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Sources for Dr. James S. Heinzen'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) |
| 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. James S. Heinzen
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. James S. Heinzen's NPI number?
Dr. James S. Heinzen's NPI number is 1013908409. It was assigned on November 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James S. Heinzen?
Dr. James S. Heinzen is an emergency medicine physician in Berlin, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. James S. Heinzen practice?
Dr. Heinzen practices at 225 Memorial Drive, Berlin, WI 54923. Dr. Heinzen's primary practice is ThedaCare Medical Center-Berlin in Berlin, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Heinzen to 7 medical groups.
What is Dr. James S. Heinzen's office phone number?
The practice phone on file for Dr. Heinzen is (920) 361-1313.
What is Dr. James S. Heinzen's medical license number?
Dr. Heinzen holds Wisconsin license 39061.
Which hospitals is Dr. James S. Heinzen affiliated with?
Dr. Heinzen practices at ThedaCare Medical Center-Berlin in Berlin, Wisconsin.
What medical group is Dr. James S. Heinzen part of?
Dr. Heinzen is linked to ThedaCare Medical Center-Berlin. Dmand AI links Dr. Heinzen to 7 more medical groups.
Does Dr. James S. Heinzen accept Medicare?
Yes. CMS data shows Dr. Heinzen billed Medicare for 377 services in 2019.
What services does Dr. James S. Heinzen bill to Medicare?
In 2019, Dr. Heinzen's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
What drugs does Dr. James S. Heinzen prescribe most?
In 2024 Medicare Part D data, Dr. Heinzen's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Prednisone.
How long has Dr. James S. Heinzen been practicing?
Dr. Heinzen's NPI was assigned in 2005.
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