James Yang
- Medicare services, 2024
- 448
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 152
- Hospital affiliations
- 2
- Industry payments
- $147
- 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 Yang'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.
James Yang is an internist in Chicago, Illinois
James Yang practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois.
James Yang's NPI, 1275198897, was assigned on May 8, 2019. James Yang holds Illinois license 036165942.
- NPI
- 1275198897NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688092422
- NPI enumeration date
- May 8, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James Yang practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois
James Yang'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 Yang is affiliated with 3 sites of care and 3 medical groups
James Yang's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. James Yang is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links James Yang to 1 more hospital and 2 medical groups, each named with a free account.
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 Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Yang 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James Yang is one of 5,652 internists in Illinois
Internal medicine is James Yang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. James Yang is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near James Yang
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 Yang billed Medicare for 448 services in 2024
CMS data shows 448 Medicare services from James Yang across 5 procedure codes in 2024, for 163 Medicare patients. Medicare paid $44,142 for them. Every service was in a facility, such as a hospital, rather than an office.
James Yang compared with the Illinois median for internists, 2024
- James Yang
- Illinois median
- Medicare services
- 448vs 56621% below
- Medicare patients
- 163vs 20822% below
- Part D claims
- 107vs 28462% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
James Yang'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 James Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for James Yang and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James Yang treated 163 Medicare patients in 2024, average age 71
CMS counts 163 Medicare patients who saw James Yang in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 58% are also on Medicaid. Their average risk score is 3.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts James Yang's median patient age at 72, with 63% women.
James Yang's Medicare patients by age, 2024
James Yang's Medicare patients by sex, 2024
- Women9659%
- Men6741%
Chronic conditions among James Yang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Chronic kidney disease54%
- Diabetes51%
- Heart failure51%
- Mood disorders45%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
James Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James Yang wrote 152 Medicare Part D claims in 2024
In 2024, James Yang wrote 152 Medicare Part D claims for 65 patients. 79% of them were for generic drugs. CMS names the drug for 107 of them, across 8 drugs with 11 or more claims each, at $31,644 in total drug cost. In 2022, CMS named 226 claims across 12 drugs.
James Yang's Part D claims by kind of drug, 2024
- Generic120 claims79%
- Brand-name and other32 claims21%
James Yang'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.
Drug classes CMS tracks in James Yang's Part D claims, 2024
- Antibiotics15%23 of 152 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2262023: 10753%
Drugs named by CMS: 8 in 2023, 12 in 2022.
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 James Yang takes part in Medicare
James Yang 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)
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James Yang received $147 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Yang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $147.
Companies that paid James Yang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James Yang'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Yang
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 Yang's NPI number?
James Yang's NPI number is 1275198897. It was assigned on May 8, 2019, and it is active in the NPI Registry.
What does James Yang specialize in?
James Yang is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does James Yang practice?
James Yang practices at 5721 S Maryland Ave, Chicago, IL 60637. James Yang's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dmand AI also links James Yang to 1 hospital and 2 medical groups.
What is James Yang's office phone number?
The practice phone on file for James Yang is (773) 702-1530.
What is James Yang's medical license number?
James Yang holds Illinois license 036165942.
Which hospitals is James Yang affiliated with?
James Yang is affiliated with University of Chicago Medical Center. Dmand AI links James Yang to 1 more hospital.
What medical group is James Yang part of?
James Yang is linked to UChicago Medicine Physicians. Dmand AI links James Yang to 2 more medical groups.
Does James Yang accept Medicare?
Yes. CMS data shows James Yang billed Medicare for 448 services in 2024, and James Yang accepts Medicare assignment.
How many Medicare patients does James Yang see?
CMS counts 163 Medicare patients who saw James Yang in 2024, with an average age of 71.
What services does James Yang bill to Medicare?
In 2024, James Yang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99222) and hospital inpatient care (99223).
Show 3 more questionsShow fewer questions
What drugs does James Yang prescribe most?
In 2023 Medicare Part D data, James Yang's most prescribed drugs by claims were Albuterol Sulfate Hfa, Metformin HCl and Omeprazole.
Has James Yang received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to James Yang from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has James Yang been practicing?
James Yang graduated from medical school in 2020, 6 years ago.
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