Perspect Med Educ
John Cornelius Penner
- Publications
- 29
- Hospital affiliations
- 2
- Insurance carriers
- 1
- State licenses
- 2
- Year NPI issued
- 2018
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Penner'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 Cornelius Penner is an internist in Stanford, California
John Penner practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
John Penner's NPI, 1356845341, was assigned on March 22, 2018. John Penner graduated from Georgetown University School Of Medicine in 2018. John Penner's California license number on file is A167392.
- NPI
- 1356845341NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2018
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John Cornelius Penner practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
John Penner's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
John Cornelius Penner is affiliated with 2 sites of care
John Penner's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links John Penner to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Cornelius Penner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Penner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
John Cornelius Penner is one of 16,751 internists in California
Internal medicine is John Penner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. John Penner is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has John Penner's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Internists near John Penner
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
John Cornelius Penner's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts John Penner's median patient age at 38, with 13% women.
John Penner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women13%
- Men88%
Source: Dmand AI Patient Panel Data
John Cornelius Penner has 29 publications on record
Dmand AI links 29 papers to John Penner, published from 2014 to 2025. 2024 was the busiest year, with 5. The most frequent topics are Clinical Competence, Teaching Rounds and Clinical Reasoning. John Penner has published most often in J Gen Intern Med. John Penner's most frequent co-authors are Daniel Joseph Minter, MD, Jennifer Marie Babik, MD and Aaron Lee Berkowitz, MD, PhD.
John Penner's papers by year, 2014 to 2025
Topics John Penner writes about most
- Clinical Competence
- Teaching Rounds
- Clinical Reasoning
- Problem Solving
- Inpatients
- Academic Medical Centers
- COVID-19
- Learning
John Penner's most frequent co-authors
- Daniel Joseph Minter, MD4 shared papers
- Jennifer Marie Babik, MD2 shared papers
- Aaron Lee Berkowitz, MD, PhD2 shared papers
Recent publications by John Penner
J Gen Intern Med
See who John Penner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Penner works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
John Cornelius Penner graduated from Georgetown University School Of Medicine
John Penner graduated from Georgetown University School Of Medicine in 2018.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
John Cornelius Penner accepts plans from 1 insurance carrier
John Penner is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Aetna
Plan types John Penner accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for John Cornelius Penner'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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Cornelius Penner
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 Cornelius Penner's NPI number?
John Cornelius Penner's NPI number is 1356845341. It was assigned on March 22, 2018, and it is active in the NPI Registry.
What does John Cornelius Penner specialize in?
John Cornelius Penner is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does John Cornelius Penner practice?
John Penner practices at 300 Pasteur Drive, Stanford, CA 94305. John Penner's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links John Penner to 1 hospital.
What is John Cornelius Penner's office phone number?
The practice phone on file for John Penner is (650) 723-4000.
What is John Cornelius Penner's medical license number?
John Penner's California license number on file is A167392, one of the licenses on file in 2 states.
Which states has John Cornelius Penner been licensed in?
Dmand AI has state licenses on file for John Penner in California (2019 to 2025) and New York (2025 to 2027).
Which hospitals is John Cornelius Penner affiliated with?
John Penner practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links John Penner to 1 more hospital.
Is John Cornelius Penner board certified?
Yes. John Penner is board certified in internal medicine by the American Board of Internal Medicine.
Where did John Cornelius Penner go to medical school?
John Penner graduated from Georgetown University School Of Medicine in 2018.
How long has John Cornelius Penner been practicing?
John Penner graduated from medical school in 2018, 8 years ago.
Show 3 more questionsShow fewer questions
Does John Cornelius Penner do research?
Dmand AI links 29 publications to John Penner, published from 2014 to 2025.
Who does John Cornelius Penner publish with?
John Penner's most frequent co-authors are Daniel Joseph Minter, MD (4 shared papers), Jennifer Marie Babik, MD (2 shared papers) and Aaron Lee Berkowitz, MD, PhD (2 shared papers).
What insurance does John Cornelius Penner accept?
John Penner is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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