J Am Pharm Assoc (2003)
Patient Care TeamPediatricsPharmacists
Dr. James Aaron Feinstein, MD, MPH
NPI1144411265
- Part D claims, 2024
- 17
- Publications
- 49
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 13123 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 777-6126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital Colorado
Aurora, Colorado
Find Dr. Feinstein's professional email, personal email and mobile number
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Dr. James Aaron Feinstein is a pediatrician in Aurora, Colorado
Dr. Feinstein practices at Children's Hospital Colorado in Aurora, Colorado.
Dr. Feinstein's NPI, 1144411265, was assigned on August 5, 2007. Dr. Feinstein graduated from Perelman School of Med at the University of Pennsylvania in 2007. Dr. Feinstein holds Colorado license 48659.
NPI and contact details
- NPI
- 1144411265NPI Registry (opens in a new tab)
- NPI enumeration date
- August 5, 2007
- NPI status
- Active
- Practice phone
- (720) 777-6126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James Aaron Feinstein practices at Children's Hospital Colorado in Aurora, Colorado
Dr. Feinstein's primary practice is Children's Hospital Colorado, at 13123 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 777-6126.
- Children's Hospital Colorado13123 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 777-6126
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Aaron Feinstein is affiliated with 1 site of care and 1 medical group
Dr. Feinstein's primary practice is Children's Hospital Colorado in Aurora, Colorado. The medical group on file is University of Colorado Medicine (CU Medicine).
Children's Hospital ColoradoPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James Aaron Feinstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feinstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital Colorado | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Aaron Feinstein is one of 887 pediatricians in Colorado
Pediatrics is Dr. Feinstein's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Feinstein is licensed in Colorado.
Specialties and state licenses
- Pediatrics, ColoradoPrimary
Pediatricians near Dr. Feinstein
Counts of pediatricians 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. James Aaron Feinstein's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Feinstein's median patient age at 14, with 43% women.
Dr. Feinstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women43%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. James Aaron Feinstein wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Feinstein wrote 17 Medicare Part D claims. 76% of them were for generic drugs. They cover 1 drug, with $518 in total drug cost.
Part D claims, 202417
Drugs named by CMS1
Total drug cost$518
Dr. Feinstein's Part D claims by kind of drug, 2024
- Generic13 claims76%
- Brand-name and other4 claims24%
Dr. Feinstein's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. James Aaron Feinstein has 49 publications on record
Dmand AI links 49 papers to Dr. Feinstein, published from 2016 to 2025. 2023 was the busiest year, with 8. The most frequent topics are Nervous System Diseases, Polypharmacy and International Classification of Diseases. Dr. Feinstein has published most often in JAMA Netw Open. Dr. Feinstein's most frequent co-authors are James Antoon, MD, PhD, James Gay, MD and Joanna E. Thomson, MD.
Papers49
Years published2016 to 2025
Dr. Feinstein's papers by year, 2016 to 2025
Topics Dr. Feinstein writes about most
- Nervous System Diseases
- Polypharmacy
- International Classification of Diseases
- Caregivers
- Epidermolysis Bullosa
- Medicaid
- Delivery of Health Care
- Drug-Related Side Effects and Adverse Reactions
Dr. Feinstein's most frequent co-authors
- James Antoon, MD, PhD10 shared papers
- James Gay, MD8 shared papers
- Joanna E. Thomson, MD7 shared papers
Recent publications by Dr. Feinstein
Disabil Health J
Healthcare DisparitiesHealth EquityHealth Services Accessibility
CaregiversDrug-Related Side Effects and Adverse ReactionsMedication Errors
Children with DisabilitiesDental CariesOral Health
See who Dr. Feinstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Feinstein works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Aaron Feinstein graduated from Perelman School of Med at the University of Pennsylvania
Dr. Feinstein graduated from Perelman School of Med at the University of Pennsylvania in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Aaron Feinstein'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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)Medicare Part D Prescribers - by Provider (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 |
| 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. James Aaron Feinstein
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. James Aaron Feinstein's NPI number?
Dr. James Aaron Feinstein's NPI number is 1144411265. It was assigned on August 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James Aaron Feinstein?
Dr. James Aaron Feinstein is a pediatrician in Aurora, Colorado. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. James Aaron Feinstein practice?
Dr. Feinstein practices at 13123 E 16th Ave, Aurora, CO 80045. Dr. Feinstein's primary practice is Children's Hospital Colorado in Aurora, Colorado.
What is Dr. James Aaron Feinstein's office phone number?
The practice phone on file for Dr. Feinstein is (720) 777-6126.
What is Dr. James Aaron Feinstein's medical license number?
Dr. Feinstein holds Colorado license 48659.
What medical group is Dr. James Aaron Feinstein part of?
Dr. Feinstein is linked to University of Colorado Medicine (CU Medicine).
Where did Dr. James Aaron Feinstein go to medical school?
Dr. Feinstein graduated from Perelman School of Med at the University of Pennsylvania in 2007.
What drugs does Dr. James Aaron Feinstein prescribe most?
In 2023 Medicare Part D data, Dr. Feinstein's most prescribed drugs by claims were Nystatin.
How long has Dr. James Aaron Feinstein been practicing?
Dr. Feinstein graduated from medical school in 2007, 19 years ago.
Does Dr. James Aaron Feinstein do research?
Dmand AI links 49 publications to Dr. Feinstein, published from 2016 to 2025.
Who does Dr. James Aaron Feinstein publish with?
Dr. Feinstein's most frequent co-authors are James Antoon, MD, PhD (10 shared papers), James Gay, MD (8 shared papers) and Joanna E. Thomson, MD (7 shared papers).
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