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Dr. Jonathan Chyi En Huang, MD
NPI1922374024
- Medicare services, 2022
- 1,354
- Part D claims, 2023
- 236
- Publications
- 1
- Industry payments
- $287
- Affiliated sites
- 1
- Practice address
- 650 Dakota St, Crystal Lake, IL 60012-3744
- Practice phone
- Call (815) 455-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fox Valley Internal Medicine
Multi-specialty group site · Crystal Lake, Illinois
Find Dr. Huang's professional email, personal email and mobile number
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Dr. Jonathan Chyi En Huang is an internist in Aurora, Illinois
Dr. Huang practices at Fox Valley Internal Medicine in Crystal Lake, Illinois.
Dr. Huang's NPI, 1922374024, was assigned on March 23, 2012. Dr. Huang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2012. Dr. Huang holds Illinois license 036136651.
NPI and contact details
- NPI
- 1922374024NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2012
- NPI status
- Active
- Practice phone
- (815) 455-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Chyi En Huang practices in Crystal Lake and Aurora
Dr. Huang's primary practice is Fox Valley Internal Medicine, at 650 Dakota St, Crystal Lake, IL 60012-3744. The practice phone is (815) 455-6000. The NPI Registry lists Dr. Huang's practice address as 2000 Ogden Ave, Aurora, IL 60504.
- Fox Valley Internal MedicinePrimary650 Dakota St, Crystal Lake, IL 60012-3744Phone(815) 455-6000
- NPI Registry address2000 Ogden Ave, Aurora, IL 60504 · Dupage CountyPhone(815) 455-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Jonathan Chyi En Huang is affiliated with 1 site of care and 2 medical groups
Dr. Huang's primary practice is Fox Valley Internal Medicine in Crystal Lake, Illinois. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Huang to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Jonathan Chyi En Huang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fox Valley Internal Medicine | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Chyi En Huang is one of 5,652 internists in Illinois
Internal medicine is Dr. Huang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Huang's licenses on file in 3 states: Illinois, Colorado and Ohio.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Colorado license
- Ohio license
Internists near Dr. Huang
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. Jonathan Chyi En Huang billed Medicare for 1,354 services in 2022
CMS data shows 1,354 Medicare services from Dr. Huang across 9 procedure codes in 2022. Medicare paid $50,759 for them. Every service was in an office.
Medicare services, 20221,354
Paid by Medicare$50,759
Procedure codes9
Dr. Huang's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1,0622022: 90315%
- Other services
- 2021: 4092022: 35214%
- Tests and treatments
- 2021: 1102022: 9910%
- Lab and pathology
- 2021: 112022: 0100%
Dr. Huang compared with the Illinois median for internists, 2022
- Dr. Huang
- Illinois median
- Medicare services
- 1,354vs 5662.4 times
- Part D claims
- 236vs 28417% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Huang's most billed Medicare procedure codes, 2022
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. Huang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Huang and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Chyi En Huang's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Huang's median patient age at 76, with 46% women.
Dr. Huang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women46%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Jonathan Chyi En Huang wrote 236 Medicare Part D claims in 2023
In 2023, Dr. Huang wrote 236 Medicare Part D claims. Every claim was for a generic drug. They cover 9 drugs, with $2,374 in total drug cost. In 2022, CMS named 2,640 claims across 52 drugs.
Part D claims, 2023236
Drugs named by CMS9
Total drug cost$2,374
Dr. Huang'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2,6402023: 23691%
Drugs named by CMS: 9 in 2023, 52 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Jonathan Chyi En Huang has 1 publication on record
Dmand AI links 1 paper to Dr. Huang.
Papers1
Recent publications by Dr. Huang
See who Dr. Huang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Huang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan Chyi En Huang received $287 in industry payments from 2016 to 2017
CMS Open Payments shows 22 general payments to Dr. Huang from 13 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $68.
General payments to Dr. Huang by program year, 2016 to 2017
Companies that paid Dr. Huang the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Chyi En Huang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Huang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Chyi En Huang'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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. Jonathan Chyi En Huang
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. Jonathan Chyi En Huang's NPI number?
Dr. Jonathan Chyi En Huang's NPI number is 1922374024. It was assigned on March 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Chyi En Huang?
Dr. Jonathan Chyi En Huang is an internist in Aurora, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan Chyi En Huang practice?
Dr. Huang practices at 650 Dakota St, Crystal Lake, IL 60012-3744. Dr. Huang also practices at 2000 Ogden Ave, Aurora, IL 60504. Dr. Huang's primary practice is Fox Valley Internal Medicine in Crystal Lake, Illinois. Dmand AI also links Dr. Huang to 1 medical group.
What is Dr. Jonathan Chyi En Huang's office phone number?
The practice phone on file for Dr. Huang is (815) 455-6000.
What is Dr. Jonathan Chyi En Huang's medical license number?
Dr. Huang holds Illinois license 036136651, one of the licenses on file in 3 states.
Which states has Dr. Jonathan Chyi En Huang been licensed in?
Dmand AI has state licenses on file for Dr. Huang in Illinois, Colorado and Ohio.
What medical group is Dr. Jonathan Chyi En Huang part of?
Dr. Huang is linked to UCHealth Medical Group. Dmand AI links Dr. Huang to 1 more medical group.
Does Dr. Jonathan Chyi En Huang accept Medicare?
Yes. CMS data shows Dr. Huang billed Medicare for 1,354 services in 2022.
What services does Dr. Jonathan Chyi En Huang bill to Medicare?
In 2022, Dr. Huang's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Jonathan Chyi En Huang go to medical school?
Dr. Huang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2012.
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What drugs does Dr. Jonathan Chyi En Huang prescribe most?
In 2023 Medicare Part D data, Dr. Huang's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Jonathan Chyi En Huang received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Dr. Huang from 13 companies from 2016 to 2017. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Jonathan Chyi En Huang been practicing?
Dr. Huang graduated from medical school in 2012, 14 years ago.
Does Dr. Jonathan Chyi En Huang do research?
Dmand AI links 1 publication to Dr. Huang.
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