Clin Pract Cases Emerg Med
Dr. David Louis Trotter, MD
NPI1255663381PAC ID8527224336
- Medicare services, 2024
- 83
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 40
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 836 West Wellington Avenue, Chicago, IL 60657
- Practice phone
- Call (773) 975-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Trotter'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. David Louis Trotter is an emergency medicine physician in Chicago, Illinois
Dr. Trotter practices at Advocate Illinois Masonic Medical Center in Chicago, Illinois, part of Advocate Health.
Dr. Trotter's NPI, 1255663381, was assigned on January 29, 2010. Dr. Trotter graduated from University of Maryland School of Medicine in 2009. Dr. Trotter holds Illinois license C6962.
NPI and contact details
- NPI
- 1255663381NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527224336
- NPI enumeration date
- January 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 975-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Louis Trotter practices at Advocate Illinois Masonic Medical Center in Chicago, Illinois
Dr. Trotter's primary practice is Advocate Illinois Masonic Medical Center, at 836 West Wellington Avenue, Chicago, IL 60657 in Cook County. The practice phone is (773) 975-1600.
- Advocate Illinois Masonic Medical Center836 West Wellington Avenue, Chicago, IL 60657 · Cook CountyPhone(773) 975-1600
Source: Dmand AI Affiliation Data
Dr. David Louis Trotter is affiliated with 3 sites of care and 3 medical groups
Dr. Trotter's primary practice is Advocate Illinois Masonic Medical Center in Chicago, Illinois, part of Advocate Health. Dr. Trotter is also affiliated with University of Chicago Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Trotter to 2 more medical groups and 1 group practice or clinic, each named with a free account.
University of Chicago Medical CenterDreyer Medical Clinic (Advocate Medical Group)2 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 6 affiliations for Dr. TrotterSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Louis Trotter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trotter practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Illinois Masonic Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Louis Trotter is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Trotter's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Trotter is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Trotter
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
2,385emergency medicine physicians in Illinois613emergency medicine physicians in Chicago23emergency medicine physicians at Advocate Illinois Masonic Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Louis Trotter billed Medicare for 83 services in 2024
CMS data shows 83 Medicare services from Dr. Trotter across 2 procedure codes in 2024, for 93 Medicare patients. Medicare paid $10,240 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202483
Medicare patients93
Paid by Medicare$10,240
Procedure codes2
Dr. Trotter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1522024: 8345%
Dr. Trotter compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Trotter
- Illinois median
- Medicare services
- 83vs 27470% below
- Medicare patients
- 93vs 27366% below
- Part D claims
- 11vs 4576% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Trotter's most billed Medicare procedure codes, 2024
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. Trotter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trotter and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Louis Trotter treated 93 Medicare patients in 2024, average age 76
CMS counts 93 Medicare patients who saw Dr. Trotter in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Trotter's median patient age at 64, with 58% women.
Medicare patients, 202493
Average age76
Average risk score2.64
Also on Medicaid45%
Dr. Trotter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Trotter's Medicare patients by sex, 2024
- Women4953%
- Men4447%
Chronic conditions among Dr. Trotter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Heart failure53%
- Arthritis52%
- Chronic kidney disease49%
- Diabetes48%
- Mood disorders44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Trotter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Louis Trotter wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Trotter wrote 40 Medicare Part D claims for 15 patients. 98% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $30 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Part D claims, 202440
Drugs named by CMS1
Total drug cost$30
Part D patients15
Dr. Trotter's Part D claims by kind of drug, 2024
- Generic39 claims98%
- Brand-name and other1 claims3%
Dr. Trotter's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 118%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. David Louis Trotter takes part in Medicare
Dr. Trotter accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. David Louis Trotter has 1 publication on record
Dmand AI links 1 paper to Dr. Trotter.
Papers1
Recent publications by Dr. Trotter
See who Dr. Trotter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trotter works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Louis Trotter received $332 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Trotter from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Eli Lilly and Company paid the most, $123.
General payments to Dr. Trotter by program year, 2016 to 2025
General payments to Dr. Trotter by kind, 2016 to 2025
$332in total
- Food and beverage$31294%
- Education$206%
Companies that paid Dr. Trotter 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. David Louis Trotter graduated from University of Maryland School of Medicine
Dr. Trotter graduated from University of Maryland School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Louis Trotter'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. David Louis Trotter
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. David Louis Trotter's NPI number?
Dr. David Louis Trotter's NPI number is 1255663381. It was assigned on January 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. David Louis Trotter?
Dr. David Louis Trotter is an emergency medicine physician in Chicago, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. David Louis Trotter practice?
Dr. Trotter practices at 836 West Wellington Avenue, Chicago, IL 60657. Dr. Trotter's primary practice is Advocate Illinois Masonic Medical Center in Chicago, Illinois, part of Advocate Health. Dmand AI also links Dr. Trotter to 2 medical groups and 1 group practice or clinic.
What is Dr. David Louis Trotter's office phone number?
The practice phone on file for Dr. Trotter is (773) 975-1600.
What is Dr. David Louis Trotter's medical license number?
Dr. Trotter holds Illinois license C6962.
Which hospitals is Dr. David Louis Trotter affiliated with?
Dr. Trotter practices at Advocate Illinois Masonic Medical Center in Chicago, Illinois. Dr. Trotter is also affiliated with University of Chicago Medical Center.
What medical group is Dr. David Louis Trotter part of?
Dr. Trotter is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Trotter to 2 more medical groups.
Does Dr. David Louis Trotter accept Medicare?
Yes. CMS data shows Dr. Trotter billed Medicare for 83 services in 2024, and Dr. Trotter accepts Medicare assignment.
How many Medicare patients does Dr. David Louis Trotter see?
CMS counts 93 Medicare patients who saw Dr. Trotter in 2024, with an average age of 76.
What services does Dr. David Louis Trotter bill to Medicare?
In 2024, Dr. Trotter's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Show 5 more questionsShow fewer questions
Where did Dr. David Louis Trotter go to medical school?
Dr. Trotter graduated from University of Maryland School of Medicine in 2009.
What drugs does Dr. David Louis Trotter prescribe most?
In 2024 Medicare Part D data, Dr. Trotter's most prescribed drugs by claims were Amlodipine Besylate.
Has Dr. David Louis Trotter received payments from drug or device companies?
CMS Open Payments shows $332 in general payments to Dr. Trotter from 6 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. David Louis Trotter been practicing?
Dr. Trotter graduated from medical school in 2009, 17 years ago.
Does Dr. David Louis Trotter do research?
Dmand AI links 1 publication to Dr. Trotter.
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