Julia Janssen

  • San Francisco, CA
  • Internist
NPI1871026773
Publications
15
Hospital affiliations
1
Medical group
1
State licenses
2
Year NPI issued
2017
Practice address
1001 Potrero Avenue, San Francisco, CA 94110
Practice phone
Call (415) 206-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Julia Janssen is an internist in San Francisco, California

Julia Janssen practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.

Julia Janssen's NPI, 1871026773, was assigned on April 7, 2017. Julia Janssen graduated from UCSF School of Medicine in 2017. Julia Janssen holds California license A158396.

NPI and contact details
NPI enumeration date
April 7, 2017
NPI status
Active
Practice phone
(415) 206-8000
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Julia Janssen practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California

Julia Janssen's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.

Source: Dmand AI Affiliation Data

Julia Janssen is affiliated with 2 sites of care and 1 medical group

Julia Janssen's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. The medical group on file is San Francisco Public Health Laboratory. Dmand AI also links Julia Janssen to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Julia Janssen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Julia Janssen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Julia Janssen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Zuckerberg San Francisco General Hospital and Trauma CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across City and County of San Francisco, CA and 6.2K+ hospitals, with verified contacts in the same login.

Julia Janssen is one of 16,751 internists in California

Internal medicine is Julia Janssen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Julia Janssen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Julia Janssen's licenses on file in 2 states: California and Georgia.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A158396 · 2018 to 2026 · taxonomy 207R00000X
  • Georgia license2021 to 2022

Internists near Julia Janssen

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

Julia Janssen's patients have a median age of 45

Across all payers, Dmand AI patient panel data puts Julia Janssen's median patient age at 45, with 50% women.

Julia Janssen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Julia Janssen has 15 publications on record

Dmand AI links 15 papers to Julia Janssen, published from 2011 to 2025. 2023 was the busiest year, with 3. The most frequent topics are Ill-Housed Persons, Mpox, Monkeypox and San Francisco. Julia Janssen has published most often in Vaccine. Julia Janssen's most frequent co-authors are Grace Ellen Marx, MD, Julie Rae Gutman, MD and Robert Janssen, MD.

Papers15
Years published2011 to 2025

Julia Janssen's papers by year, 2011 to 2025

Topics Julia Janssen writes about most

  • Ill-Housed Persons
  • Mpox, Monkeypox
  • San Francisco
  • Seroepidemiologic Studies
  • Smallpox Vaccine

Julia Janssen's most frequent co-authors

Recent publications by Julia Janssen

See all 15 publications and co-authors

See who Julia Janssen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Julia Janssen works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Julia Janssen graduated from UCSF School of Medicine

Julia Janssen graduated from UCSF School of Medicine in 2017.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Julia Janssen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Julia Janssen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Julia Janssen's NPI number?

Julia Janssen's NPI number is 1871026773. It was assigned on April 7, 2017, and it is active in the NPI Registry.

What does Julia Janssen specialize in?

Julia Janssen is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Julia Janssen practice?

Julia Janssen practices at 1001 Potrero Avenue, San Francisco, CA 94110. Julia Janssen's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dmand AI also links Julia Janssen to 1 group practice or clinic.

What is Julia Janssen's office phone number?

The practice phone on file for Julia Janssen is (415) 206-8000.

What is Julia Janssen's medical license number?

Julia Janssen holds California license A158396, one of the licenses on file in 2 states.

Which states has Julia Janssen been licensed in?

Dmand AI has state licenses on file for Julia Janssen in California (2018 to 2026) and Georgia (2021 to 2022).

Which hospitals is Julia Janssen affiliated with?

Julia Janssen practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California.

What medical group is Julia Janssen part of?

Julia Janssen is linked to San Francisco Public Health Laboratory.

Is Julia Janssen board certified?

Yes. Julia Janssen is board certified in internal medicine by the American Board of Internal Medicine.

Where did Julia Janssen go to medical school?

Julia Janssen graduated from UCSF School of Medicine in 2017.

Show 3 more questionsShow fewer questions

How long has Julia Janssen been practicing?

Julia Janssen graduated from medical school in 2017, 9 years ago.

Does Julia Janssen do research?

Dmand AI links 15 publications to Julia Janssen, published from 2011 to 2025.

Who does Julia Janssen publish with?

Julia Janssen's most frequent co-authors are Grace Ellen Marx, MD (3 shared papers), Julie Rae Gutman, MD (2 shared papers) and Robert Janssen, MD (2 shared papers).

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