Lee Onn Chieng
- Part D claims, 2020
- 41
- Industry payments
- $20,169
- State licenses
- 2
- Year NPI issued
- 2017
- Practice address
- 2222 N Nevada Ave, Colorado Springs, CO 80907
- Practice phone
- Call (719) 776-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CommonSpirit Penrose Hospital
Colorado Springs, Colorado
Find Lee Onn Chieng'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.
Lee Onn Chieng is a neurosurgeon in Colorado Springs, Colorado
Lee Onn Chieng practices at CommonSpirit Penrose Hospital in Colorado Springs, Colorado.
Lee Onn Chieng's NPI, 1659899342, was assigned on September 1, 2017. Lee Onn Chieng graduated from University of Miami Leonard M. Miller School of Medicine in 2017. Lee Onn Chieng holds Michigan license 4301114554.
- NPI
- 1659899342NPI Registry (opens in a new tab)
- NPI enumeration date
- September 1, 2017
- NPI status
- Active
- Practice phone
- (719) 776-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Lee Onn Chieng practices at CommonSpirit Penrose Hospital in Colorado Springs, Colorado
Lee Onn Chieng's primary practice is CommonSpirit Penrose Hospital, at 2222 N Nevada Ave, Colorado Springs, CO 80907 in El Paso County. The practice phone is (719) 776-5000.
- CommonSpirit Penrose Hospital2222 N Nevada Ave, Colorado Springs, CO 80907 · El Paso CountyPhone(719) 776-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Lee Onn Chieng is affiliated with 1 site of care
Lee Onn Chieng's primary practice is CommonSpirit Penrose Hospital in Colorado Springs, Colorado.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Lee Onn Chieng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lee Onn Chieng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CommonSpirit Penrose Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Lee Onn Chieng is one of 143 neurosurgeons in Colorado
Neurological surgery is Lee Onn Chieng's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Lee Onn Chieng's licenses on file in 2 states: Michigan and Iowa.
Specialties and state licenses
- Neurological surgery, MichiganPrimary
- Iowa license
Neurosurgeons near Lee Onn Chieng
Counts of neurosurgeons 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
Lee Onn Chieng's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Lee Onn Chieng's median patient age at 68, with 57% women.
Lee Onn Chieng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Lee Onn Chieng wrote 41 Medicare Part D claims in 2020
In 2020, Lee Onn Chieng wrote 41 Medicare Part D claims. They cover 2 drugs, with $116 in total drug cost. In 2018, CMS named 70 claims across 4 drugs.
Lee Onn Chieng's most prescribed drugs by claims, 2020
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, 2018 to 2020
- 2018
- 2020
- Claims for drugs CMS names
- 2018: 702020: 4141%
Drugs named by CMS: 2 in 2020, 4 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Lee Onn Chieng received $20,169 in industry payments from 2018 to 2025
CMS Open Payments shows 122 general payments to Lee Onn Chieng from 27 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 69% of the total. VB Spine LLC paid the most, $2,992.
General payments to Lee Onn Chieng by program year, 2018 to 2025
General payments to Lee Onn Chieng by kind, 2018 to 2025
- Travel and lodging$14,01469%
- Food and beverage$5,62028%
- Speaker and faculty fees$5153%
- Education$200%
Companies that paid Lee Onn Chieng the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Lee Onn Chieng graduated from University of Miami Leonard M. Miller School of Medicine
Lee Onn Chieng graduated from University of Miami Leonard M. Miller School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Lee Onn Chieng'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 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) |
| 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 Lee Onn Chieng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lee Onn Chieng's NPI number?
Lee Onn Chieng's NPI number is 1659899342. It was assigned on September 1, 2017, and it is active in the NPI Registry.
What does Lee Onn Chieng specialize in?
Lee Onn Chieng is a neurosurgeon in Colorado Springs, Colorado. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Lee Onn Chieng practice?
Lee Onn Chieng practices at 2222 N Nevada Ave, Colorado Springs, CO 80907. Lee Onn Chieng's primary practice is CommonSpirit Penrose Hospital in Colorado Springs, Colorado.
What is Lee Onn Chieng's office phone number?
The practice phone on file for Lee Onn Chieng is (719) 776-5000.
What is Lee Onn Chieng's medical license number?
Lee Onn Chieng holds Michigan license 4301114554, one of the licenses on file in 2 states.
Which states has Lee Onn Chieng been licensed in?
Dmand AI has state licenses on file for Lee Onn Chieng in Michigan and Iowa.
Where did Lee Onn Chieng go to medical school?
Lee Onn Chieng graduated from University of Miami Leonard M. Miller School of Medicine in 2017.
What drugs does Lee Onn Chieng prescribe most?
In 2020 Medicare Part D data, Lee Onn Chieng's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.
Has Lee Onn Chieng received payments from drug or device companies?
CMS Open Payments shows $20,169 in general payments to Lee Onn Chieng from 27 companies from 2018 to 2025. The largest total came from VB Spine LLC.
How long has Lee Onn Chieng been practicing?
Lee Onn Chieng graduated from medical school in 2017, 9 years ago.
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