John R. Kellner, PA-C
- Part D claims, 2024
- 221
- Hospital affiliations
- 2
- Industry payments
- $19
- Medical groups
- 9
- State license
- 1
- Practice address
- 2845 Greenbrier Road, Green Bay, WI 54311
- Practice phone
- Call (920) 288-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aurora BayCare Medical Center - Mammography
Mammography / Breast Imaging Center · Green Bay, Wisconsin
Find John Kellner'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.
John R. Kellner is a physician assistant in Green Bay, Wisconsin
John Kellner practices at Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin.
John Kellner's NPI, 1275049033, was assigned on December 15, 2017. John Kellner graduated from Central Michigan College of Medicine in 2017. John Kellner holds Wisconsin license 4268-23.
- NPI
- 1275049033NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779846910
- NPI enumeration date
- December 15, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 288-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Kellner practices at Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin
John Kellner's primary practice is Aurora BayCare Medical Center - Mammography, at 2845 Greenbrier Road, Green Bay, WI 54311. The practice phone is (920) 288-3300.
- Aurora BayCare Medical Center - Mammography2845 Greenbrier Road, Green Bay, WI 54311Phone(920) 288-3300
Source: Dmand AI Affiliation Data
John R. Kellner is affiliated with 3 sites of care and 9 medical groups
John Kellner's primary practice is Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin. John Kellner is also affiliated with Aurora BayCare Medical Center. The medical group on file is Prevea Health. Dmand AI also links John Kellner to 1 more hospital and 8 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John R. Kellner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Kellner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora BayCare Medical Center - Mammography | Available with a free account |
| +2 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John R. Kellner is one of 3,127 physician assistants in Wisconsin
Physician assistant is John Kellner's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Kellner is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near John Kellner
Counts of physician assistants 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
John R. Kellner's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts John Kellner's median patient age at 68, with 61% women.
John Kellner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
John R. Kellner wrote 221 Medicare Part D claims in 2024
In 2024, John Kellner wrote 221 Medicare Part D claims for 176 patients. 94% of them were for generic drugs.
John Kellner's Part D claims by kind of drug, 2024
- Generic208 claims94%
- Brand-name13 claims6%
Drug classes CMS tracks in John Kellner's Part D claims, 2024
- Opioids15%34 of 221 claims
- Antibiotics44%98 of 221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John R. Kellner takes part in Medicare
John Kellner 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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John R. Kellner received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Kellner from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $19.
Companies that paid John Kellner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John R. Kellner graduated from Central Michigan College of Medicine
John Kellner graduated from Central Michigan College of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John R. Kellner'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 John R. Kellner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John R. Kellner's NPI number?
John R. Kellner's NPI number is 1275049033. It was assigned on December 15, 2017, and it is active in the NPI Registry.
What does John R. Kellner specialize in?
John R. Kellner is a physician assistant in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John R. Kellner practice?
John Kellner practices at 2845 Greenbrier Road, Green Bay, WI 54311. John Kellner's primary practice is Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin. Dmand AI also links John Kellner to 1 hospital and 8 medical groups.
What is John R. Kellner's office phone number?
The practice phone on file for John Kellner is (920) 288-3300.
What is John R. Kellner's medical license number?
John Kellner holds Wisconsin license 4268-23.
Which hospitals is John R. Kellner affiliated with?
John Kellner is affiliated with Aurora BayCare Medical Center. Dmand AI links John Kellner to 1 more hospital.
What medical group is John R. Kellner part of?
John Kellner is linked to Prevea Health. Dmand AI links John Kellner to 8 more medical groups.
Does John R. Kellner accept Medicare?
Yes. CMS lists John Kellner as accepting Medicare assignment.
Where did John R. Kellner go to medical school?
John Kellner graduated from Central Michigan College of Medicine in 2017.
Has John R. Kellner received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to John Kellner from 1 company from 2025 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has John R. Kellner been practicing?
John Kellner graduated from medical school in 2017, 9 years ago.
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