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James Fan
NPI1376282467PAC ID5193106771
- Part D claims, 2024
- 574
- Publications
- 2
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 5721 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comer Children's Hospital - Hyde Park
Chicago, Illinois
Find James Fan's professional email, personal email and mobile number
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James Fan is an internist in Chicago, Illinois
James Fan practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois.
James Fan's NPI, 1376282467, was assigned on May 27, 2022. James Fan graduated from University of Chicago, Pritzker School of Medicine in 2022. James Fan holds Illinois license 125.080178.
NPI and contact details
- NPI
- 1376282467NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193106771
- NPI enumeration date
- May 27, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James Fan practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois
James Fan's primary practice is Comer Children's Hospital - Hyde Park, at 5721 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- Comer Children's Hospital - Hyde Park5721 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James Fan is affiliated with 3 sites of care and 2 medical groups
James Fan's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. James Fan is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links James Fan to 1 more hospital and 1 medical group, each named with a free account.
Comer Children's Hospital - Hyde ParkPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James Fan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Fan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comer Children's Hospital - Hyde Park | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James Fan is one of 5,652 internists in Illinois
Internal medicine is James Fan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. James Fan is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near James Fan
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
James Fan's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts James Fan's median patient age at 71, with 62% women.
James Fan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
James Fan wrote 574 Medicare Part D claims in 2024
In 2024, James Fan wrote 574 Medicare Part D claims for 75 patients. 75% of them were for generic drugs. CMS names the drug for 291 of them, across 17 drugs with 11 or more claims each, at $64,419 in total drug cost. In 2023, CMS named 86 claims across 6 drugs.
Part D claims, 2024574
Drugs named by CMS17
Total drug cost$64,419
Part D patients75
James Fan's Part D claims by kind of drug, 2024
- Generic433 claims75%
- Brand-name and other141 claims25%
James Fan'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.
Drug classes CMS tracks in James Fan's Part D claims, 2024
- Antibiotics3%15 of 574 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 862024: 291238%
Drugs named by CMS: 17 in 2024, 6 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
James Fan offers telehealth to Medicare patients
James Fan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists James Fan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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James Fan has 2 publications on record
Dmand AI links 2 papers to James Fan, published from 2021 to 2025. James Fan's most frequent co-authors are Eric C. Beyer, MD and Karen Kim.
Papers2
Years published2021 to 2025
James Fan's most frequent co-authors
Recent publications by James Fan
See who James Fan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who James Fan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
James Fan graduated from University of Chicago, Pritzker School of Medicine
James Fan graduated from University of Chicago, Pritzker School of Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James Fan'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 DataDmand AI Org Hierarchy 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) |
| 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 |
| 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 James Fan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Fan's NPI number?
James Fan's NPI number is 1376282467. It was assigned on May 27, 2022, and it is active in the NPI Registry.
What does James Fan specialize in?
James Fan is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does James Fan practice?
James Fan practices at 5721 S Maryland Ave, Chicago, IL 60637. James Fan's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dmand AI also links James Fan to 1 hospital and 1 medical group.
What is James Fan's office phone number?
The practice phone on file for James Fan is (773) 702-1530.
What is James Fan's medical license number?
James Fan holds Illinois license 125.080178.
Which hospitals is James Fan affiliated with?
James Fan is affiliated with University of Chicago Medical Center. Dmand AI links James Fan to 1 more hospital.
What medical group is James Fan part of?
James Fan is linked to UChicago Medicine Physicians. Dmand AI links James Fan to 1 more medical group.
Does James Fan accept Medicare?
Yes. CMS lists James Fan as accepting Medicare assignment.
Does James Fan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists James Fan as offering telehealth services.
Where did James Fan go to medical school?
James Fan graduated from University of Chicago, Pritzker School of Medicine in 2022.
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What drugs does James Fan prescribe most?
In 2024 Medicare Part D data, James Fan's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Gabapentin.
How long has James Fan been practicing?
James Fan graduated from medical school in 2022, 4 years ago.
Does James Fan do research?
Dmand AI links 2 publications to James Fan, published from 2021 to 2025.
Who does James Fan publish with?
James Fan's most frequent co-authors are Eric C. Beyer, MD (1 shared paper) and Karen Kim (1 shared paper).
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