Dr. Mark Janssen, MD
- Publications
- 2
- Clinical trials
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807-3028
- Practice phone
- Call (888) 988-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Janssen'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. Mark Janssen is a pathologist in Anaheim, California
Dr. Janssen practices in Anaheim, California.
Dr. Janssen's NPI, 1407923345, was assigned on November 29, 2006. Dr. Janssen graduated from David Geffen School of Medicine at UCLA in 1970. Dr. Janssen's California license number on file is A24214.
- NPI
- 1407923345NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (888) 988-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Mark Janssen's practice address is in Anaheim, California
Dr. Janssen's practice address in the NPI Registry is 441 N Lakeview Ave, Anaheim, CA 92807-3028. The practice phone is (888) 988-2800.
- NPI Registry address441 N Lakeview Ave, Anaheim, CA 92807-3028Phone(888) 988-2800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark Janssen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janssen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Janssen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Janssen is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Janssen's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Janssen is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. Janssen has a license on file in California.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
Pathologists near Dr. Janssen
Counts of pathologists 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. Mark Janssen has 2 publications on record
Dmand AI links 2 papers to Dr. Janssen. Dr. Janssen's most frequent co-authors are Sergio Huerta, MD and Daniel R. Marcus, MD.
Dr. Janssen's most frequent co-authors
- Sergio Huerta, MD1 shared paper
- Daniel R. Marcus, MD1 shared paper
Recent publications by Dr. Janssen
Cancer
See who Dr. Janssen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Janssen works with, so you can find a warm path to the right pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Janssen has worked on 2 clinical trials
Dmand AI links Dr. Janssen to 2 clinical trials. Conditions studied include Parkinson Disease, Tinnitus and Hearing Disorders. Maastricht University Medical Center sponsors the most, 2.
Conditions in Dr. Janssen's trials
- Parkinson Disease
- Tinnitus
- Hearing Disorders
- Parkinsonian Disorders
Recent clinical trials with Dr. Janssen
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark Janssen graduated from David Geffen School of Medicine at UCLA
Dr. Janssen graduated from David Geffen School of Medicine at UCLA in 1970.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Janssen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Mark 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 Dr. Mark Janssen's NPI number?
Dr. Mark Janssen's NPI number is 1407923345. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Janssen?
Dr. Mark Janssen is a pathologist in Anaheim, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Mark Janssen practice?
Dr. Janssen practices at 441 N Lakeview Ave, Anaheim, CA 92807-3028.
What is Dr. Mark Janssen's office phone number?
The practice phone on file for Dr. Janssen is (888) 988-2800.
What is Dr. Mark Janssen's medical license number?
Dr. Janssen's California license number on file is A24214.
Is Dr. Mark Janssen board certified?
Yes. Dr. Janssen is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
Where did Dr. Mark Janssen go to medical school?
Dr. Janssen graduated from David Geffen School of Medicine at UCLA in 1970.
How long has Dr. Mark Janssen been practicing?
Dr. Janssen graduated from medical school in 1970, 56 years ago.
Does Dr. Mark Janssen do research?
Dmand AI links 2 publications to Dr. Janssen. Dr. Janssen has worked on 2 clinical trials.
Who does Dr. Mark Janssen publish with?
Dr. Janssen's most frequent co-authors are Sergio Huerta, MD (1 shared paper) and Daniel R. Marcus, MD (1 shared paper).
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