Dr. John L. Bradtke, MD
- Medicare services, 2024
- 655
- Medicare patients, 2024
- 315
- Part D claims, 2024
- 9,468
- Hospital affiliations
- 4
- Industry payments
- $237
- Practice address
- 1717 Shaffer St, Kalamazoo, MI 49048
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bariatric Center - Ascension Borgess Bariatric Center - HOPD
Acute Care Hospital outpatient department · Kalamazoo, Michigan
Find Dr. Bradtke'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. John L. Bradtke is an internist in Kalamazoo, Michigan
Dr. Bradtke practices at Bariatric Center - Ascension Borgess Bariatric Center - HOPD in Kalamazoo, Michigan.
Dr. Bradtke's NPI, 1659317071, was assigned on June 22, 2006. Dr. Bradtke graduated from Loyola University of Chicago, Stritch School of Medicine in 1985. Dr. Bradtke holds Michigan license 4301405991.
- NPI
- 1659317071NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517864747
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John L. Bradtke practices at Bariatric Center - Ascension Borgess Bariatric Center - HOPD in Kalamazoo, Michigan
Dr. Bradtke's primary practice is Bariatric Center - Ascension Borgess Bariatric Center - HOPD, at 1717 Shaffer St, Kalamazoo, MI 49048.
- Bariatric Center - Ascension Borgess Bariatric Center - HOPD1717 Shaffer St, Kalamazoo, MI 49048
Source: Dmand AI Affiliation Data
Dr. John L. Bradtke is affiliated with 9 sites of care and 2 medical groups
Dr. Bradtke's primary practice is Bariatric Center - Ascension Borgess Bariatric Center - HOPD in Kalamazoo, Michigan. Dr. Bradtke is also affiliated with Bronson Methodist Hospital. The medical group on file is Powerback Rehabilitation. Dmand AI also links Dr. Bradtke to 3 more hospitals, 2 home health agencies, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Bradtke's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John L. Bradtke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bradtke practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bariatric Center - Ascension Borgess Bariatric Center - HOPD | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John L. Bradtke is one of 4,804 internists in Michigan
Internal medicine is Dr. Bradtke's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bradtke is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Bradtke
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 L. Bradtke billed Medicare for 655 services in 2024
CMS data shows 655 Medicare services from Dr. Bradtke across 7 procedure codes in 2024, for 315 Medicare patients. Medicare paid $25,504 for them. Every service was in an office.
Dr. Bradtke's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4062024: 3719%
- Other services
- 2023: 1962024: 26837%
- Tests and treatments
- 2023: 252024: 1636%
Dr. Bradtke compared with the Michigan median for internists, 2024
- Dr. Bradtke
- Michigan median
- Medicare services
- 655vs 42355% above
- Medicare patients
- 315vs 15998% above
- Part D claims
- 8,601vs 31427.4 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Bradtke'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bradtke and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John L. Bradtke treated 315 Medicare patients in 2024, average age 75
CMS counts 315 Medicare patients who saw Dr. Bradtke in 2024. The largest group is 65 to 74, with 154 patients. 74% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bradtke's median patient age at 71, with 55% women.
Dr. Bradtke's Medicare patients by age, 2024
Dr. Bradtke's Medicare patients by sex, 2024
- Women16151%
- Men15449%
Chronic conditions among Dr. Bradtke's Medicare patients, 2024
- High cholesterol74%
- High blood pressure70%
- Arthritis45%
- Ischemic heart disease34%
- Diabetes27%
- Mood disorders22%
- Anxiety20%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bradtke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John L. Bradtke wrote 9,468 Medicare Part D claims in 2024
In 2024, Dr. Bradtke wrote 9,468 Medicare Part D claims for 623 patients. 85% of them were for generic drugs. CMS names the drug for 8,601 of them, across 123 drugs with 11 or more claims each, at $852,882 in total drug cost. In 2023, CMS named 8,848 claims across 141 drugs.
Dr. Bradtke's Part D claims by kind of drug, 2024
- Generic8,069 claims85%
- Brand-name1,314 claims14%
- Other85 claims1%
Dr. Bradtke'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. Bradtke's Part D claims, 2024
- Opioids3%293 of 9,468 claims
- Antibiotics1%135 of 9,468 claims
- Antipsychotics, patients 65 and over0%12 of 9,468 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: 8,8482024: 8,6013%
Drugs named by CMS: 123 in 2024, 141 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
How Dr. John L. Bradtke takes part in Medicare
Dr. Bradtke accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John L. Bradtke received $237 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Bradtke from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $68.
General payments to Dr. Bradtke by program year, 2016 to 2025
Companies that paid Dr. Bradtke 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. John L. Bradtke graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Bradtke graduated from Loyola University of Chicago, Stritch School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John L. Bradtke'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. John L. Bradtke
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 L. Bradtke's NPI number?
Dr. John L. Bradtke's NPI number is 1659317071. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Bradtke?
Dr. John L. Bradtke is an internist in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John L. Bradtke practice?
Dr. Bradtke practices at 1717 Shaffer St, Kalamazoo, MI 49048. Dr. Bradtke's primary practice is Bariatric Center - Ascension Borgess Bariatric Center - HOPD in Kalamazoo, Michigan. Dmand AI also links Dr. Bradtke to 3 hospitals, 2 home health agencies, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. John L. Bradtke's medical license number?
Dr. Bradtke holds Michigan license 4301405991.
Which hospitals is Dr. John L. Bradtke affiliated with?
Dr. Bradtke is affiliated with Bronson Methodist Hospital. Dmand AI links Dr. Bradtke to 3 more hospitals.
What medical group is Dr. John L. Bradtke part of?
Dr. Bradtke is linked to Powerback Rehabilitation. Dmand AI links Dr. Bradtke to 1 more medical group.
Does Dr. John L. Bradtke accept Medicare?
Yes. CMS data shows Dr. Bradtke billed Medicare for 655 services in 2024, and Dr. Bradtke accepts Medicare assignment.
How many Medicare patients does Dr. John L. Bradtke see?
CMS counts 315 Medicare patients who saw Dr. Bradtke in 2024, with an average age of 75.
What services does Dr. John L. Bradtke bill to Medicare?
In 2024, Dr. Bradtke's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. John L. Bradtke go to medical school?
Dr. Bradtke graduated from Loyola University of Chicago, Stritch School of Medicine in 1985.
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What drugs does Dr. John L. Bradtke prescribe most?
In 2024 Medicare Part D data, Dr. Bradtke's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. John L. Bradtke received payments from drug or device companies?
CMS Open Payments shows $237 in general payments to Dr. Bradtke from 8 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John L. Bradtke been practicing?
Dr. Bradtke graduated from medical school in 1985, 41 years ago.
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