Clin Immunol Immunopathol
Binding Sites, AntibodyCell SeparationChickens
Dr. Kenneth Widder, MD
NPI1861885295
- Publications
- 11
- Industry payments
- $1.3M
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 16231 El Camino Real, Rancho Santa Fe, CA 92067
- Practice phone
- Call (619) 507-9827
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Widder's professional email, personal email and mobile number
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Dr. Kenneth Widder is a pathologist in Rancho Santa Fe, California
Dr. Widder practices in Rancho Santa Fe, California.
Dr. Widder's NPI, 1861885295, was assigned on March 10, 2015. Dr. Widder graduated from Feinberg School of Medicine in 1979. Dr. Widder holds California license G46485.
NPI and contact details
- NPI
- 1861885295NPI Registry (opens in a new tab)
- NPI enumeration date
- March 10, 2015
- NPI status
- Active
- Practice phone
- (619) 507-9827
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Kenneth Widder's practice address is in Rancho Santa Fe, California
Dr. Widder's practice address in the NPI Registry is 16231 El Camino Real, Rancho Santa Fe, CA 92067. The practice phone is (619) 507-9827.
- NPI Registry address16231 El Camino Real, Rancho Santa Fe, CA 92067Phone(619) 507-9827
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Kenneth Widder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Widder practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Widder's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth Widder is one of 297 pathologists in California
Anatomic pathology is Dr. Widder's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Widder is licensed in California.
Specialties and state licenses
- Anatomic pathology, CaliforniaPrimary
Pathologists near Dr. Widder
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. Kenneth Widder has 11 publications on record
Dmand AI links 11 papers to Dr. Widder. The most frequent topics are Microspheres, Magnetics and Doxorubicin. Dr. Widder has published most often in J Pharm Sci. Dr. Widder's most frequent co-author is Andrw Erwin Senyei, MD.
Papers11
Topics Dr. Widder writes about most
- Microspheres
- Magnetics
- Doxorubicin
- Albumins
- Antineoplastic Agents
- Pharmaceutical Preparations
- Serum Albumin
- Neoplasm Metastasis
Dr. Widder's most frequent co-authors
Recent publications by Dr. Widder
AdenocarcinomaAlbuminsDoxorubicin
CarbonatesDiacetylDoxorubicin
Antineoplastic AgentsMagneticsMicrospheres
Proc Natl Acad Sci U S A
AlbuminsDoxorubicinDrug Combinations
See who Dr. Widder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Widder 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. Kenneth Widder received $1,271,051 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Widder from 2 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Quidel Corporation paid the most, $1,014,324.
General payments to Dr. Widder by program year, 2016 to 2025
General payments to Dr. Widder by kind, 2016 to 2025
$1.3Min total
- Consulting fees$817,77364%
- Ownership or investment$443,64035%
- Food and beverage$6,6511%
- Travel and lodging$2,9860%
Companies that paid Dr. Widder 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. Kenneth Widder graduated from Feinberg School of Medicine
Dr. Widder graduated from Feinberg School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kenneth Widder'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 |
| 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. Kenneth Widder
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. Kenneth Widder's NPI number?
Dr. Kenneth Widder's NPI number is 1861885295. It was assigned on March 10, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Widder?
Dr. Kenneth Widder is a pathologist in Rancho Santa Fe, California. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. Kenneth Widder practice?
Dr. Widder practices at 16231 El Camino Real, Rancho Santa Fe, CA 92067.
What is Dr. Kenneth Widder's office phone number?
The practice phone on file for Dr. Widder is (619) 507-9827.
What is Dr. Kenneth Widder's medical license number?
Dr. Widder holds California license G46485.
Where did Dr. Kenneth Widder go to medical school?
Dr. Widder graduated from Feinberg School of Medicine in 1979.
Has Dr. Kenneth Widder received payments from drug or device companies?
CMS Open Payments shows $1,271,051 in general payments to Dr. Widder from 2 companies from 2016 to 2025. The largest total came from Quidel Corporation.
How long has Dr. Kenneth Widder been practicing?
Dr. Widder graduated from medical school in 1979, 47 years ago.
Does Dr. Kenneth Widder do research?
Dmand AI links 11 publications to Dr. Widder.
Who does Dr. Kenneth Widder publish with?
Dr. Widder's most frequent co-authors are Andrw Erwin Senyei, MD (9 shared papers).
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