Front Public Health
Dr. Jennifer E. Layden, MD, PhD
- Medicare services, 2020
- 15
- Part D claims, 2022
- 16
- Publications
- 51
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 840 S Wood St, Chicago, IL 60612-4325
- Practice phone
- Call (312) 996-5178
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Layden'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. Jennifer E. Layden is an internist in Chicago, Illinois
Dr. Layden practices in Chicago, Illinois.
Dr. Layden's NPI, 1902094360, was assigned on October 11, 2007. Dr. Layden holds Illinois license 12505116.
- NPI
- 1902094360NPI Registry (opens in a new tab)
- NPI enumeration date
- October 11, 2007
- NPI status
- Active
- Practice phone
- (312) 996-5178
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Jennifer E. Layden's practice address is in Chicago, Illinois
Dr. Layden's practice address in the NPI Registry is 840 S Wood St, Chicago, IL 60612-4325. The practice phone is (312) 996-5178.
- NPI Registry address840 S Wood St, Chicago, IL 60612-4325Phone(312) 996-5178
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Jennifer E. Layden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Layden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Layden's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer E. Layden is one of 5,652 internists in Illinois
Internal medicine is Dr. Layden's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Layden is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Layden
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
Dr. Jennifer E. Layden billed Medicare for 15 services in 2020
CMS data shows 15 Medicare services from Dr. Layden across 1 procedure code in 2020. Medicare paid $1,335 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Layden's Medicare services by type, 2018 to 2020
- 2018
- 2020
- Office and hospital visits
- 2018: 122020: 1525%
Dr. Layden compared with the Illinois median for internists, 2020
- Dr. Layden
- Illinois median
- Medicare services
- 15vs 56697% below
- Part D claims
- 16vs 28494% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Layden's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Layden?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Layden and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer E. Layden's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Layden's median patient age at 75, with 0% women.
Dr. Layden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Jennifer E. Layden wrote 16 Medicare Part D claims in 2022
In 2022, Dr. Layden wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,598 in total drug cost. In 2021, CMS named 69 claims across 1 drug.
Dr. Layden's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 692022: 1677%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Jennifer E. Layden has 51 publications on record
Dmand AI links 51 papers to Dr. Layden, published from 2011 to 2024. 2019 was the busiest year, with 8. The most frequent topics are Illinois, Vaping and COVID-19. Dr. Layden has published most often in MMWR Morb Mortal Wkly Rep. Dr. Layden's most frequent co-authors are Nina M. Clark, Marielle Fricchione, MD and Stephanie R. Black, MD.
Dr. Layden's papers by year, 2014 to 2024
Topics Dr. Layden writes about most
- Illinois
- Vaping
- COVID-19
- Electronic Nicotine Delivery Systems
- Hepatitis C
- Pandemics
- SARS-CoV-2
- Chicago
Dr. Layden's most frequent co-authors
- Nina M. Clark9 shared papers
- Marielle Fricchione, MD5 shared papers
- Stephanie R. Black, MD4 shared papers
Recent publications by Dr. Layden
JMIR Public Health Surveill
MMWR Morb Mortal Wkly Rep
See who Dr. Layden researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Layden works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Jennifer E. Layden'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 |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Jennifer E. Layden
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. Jennifer E. Layden's NPI number?
Dr. Jennifer E. Layden's NPI number is 1902094360. It was assigned on October 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer E. Layden?
Dr. Jennifer E. Layden is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jennifer E. Layden practice?
Dr. Layden practices at 840 S Wood St, Chicago, IL 60612-4325.
What is Dr. Jennifer E. Layden's office phone number?
The practice phone on file for Dr. Layden is (312) 996-5178.
What is Dr. Jennifer E. Layden's medical license number?
Dr. Layden holds Illinois license 12505116.
Does Dr. Jennifer E. Layden accept Medicare?
Yes. CMS data shows Dr. Layden billed Medicare for 15 services in 2020.
What services does Dr. Jennifer E. Layden bill to Medicare?
In 2020, Dr. Layden's most billed Medicare services were hospital inpatient care (99221).
What drugs does Dr. Jennifer E. Layden prescribe most?
In 2022 Medicare Part D data, Dr. Layden's most prescribed drugs by claims were Naloxone HCl.
How long has Dr. Jennifer E. Layden been practicing?
Dr. Layden's NPI was assigned in 2007.
Does Dr. Jennifer E. Layden do research?
Dmand AI links 51 publications to Dr. Layden, published from 2011 to 2024.
Who does Dr. Jennifer E. Layden publish with?
Dr. Layden's most frequent co-authors are Nina M. Clark (9 shared papers), Marielle Fricchione, MD (5 shared papers) and Stephanie R. Black, MD (4 shared papers).
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