Dr. David Chang Yi, MD
- Medicare services, 2024
- 372
- Medicare patients, 2024
- 188
- Part D claims, 2024
- 372
- Industry payments
- $418
- Affiliated sites
- 1
- Practice address
- 12301 Lake Underhill Rd, Orlando, FL 32828
- Practice phone
- Call (407) 249-8870
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The miniER at Waterford Lakes
Urgent Care Center · Orlando, Florida
Find Dr. Yi'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.
Dr. David Chang Yi is a general practice physician in Orlando, Florida
Dr. Yi practices at The miniER at Waterford Lakes in Orlando, Florida.
Dr. Yi's NPI, 1366693921, was assigned on October 1, 2008. Dr. Yi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005. Dr. Yi holds Florida license ME102801.
- NPI
- 1366693921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981740669
- NPI enumeration date
- October 1, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 249-8870
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Chang Yi practices at The miniER at Waterford Lakes in Orlando, Florida
Dr. Yi's primary practice is The miniER at Waterford Lakes, at 12301 Lake Underhill Rd, Orlando, FL 32828. The practice phone is (407) 249-8870.
- The miniER at Waterford Lakes12301 Lake Underhill Rd, Orlando, FL 32828Phone(407) 249-8870
Source: Dmand AI Affiliation Data
Dr. David Chang Yi is affiliated with 1 site of care and 3 medical groups
Dr. Yi's primary practice is The miniER at Waterford Lakes in Orlando, Florida. The medical group on file is Nemours Children's Hospital, Delaware. Dmand AI also links Dr. Yi to 2 more medical groups, each named with a free account. Dr. Yi's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Chang Yi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The miniER at Waterford Lakes | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Chang Yi is one of 1,706 general practice physicians in Florida
General practice is Dr. Yi's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Yi is board certified in internal medicine by the American Board of Internal Medicine. Dr. Yi is licensed in Florida.
Specialties and state licenses
- General practice, FloridaPrimary
Clinical focus
Dmand AI lists acute sinusitis, chest wall injury, chronic indigestion, chronic nasal allergies, chronic obstructive pulmonary disease (COPD), conjunctivitis, eyelid inflammation and facial skin infection among the conditions Dr. Yi treats.
General practice physicians near Dr. Yi
Counts of general practice physicians 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. David Chang Yi billed Medicare for 372 services in 2024
CMS data shows 372 Medicare services from Dr. Yi across 9 procedure codes in 2024, for 188 Medicare patients. Medicare paid $20,229 for them. Every service was in an office.
Dr. Yi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1872024: 2017%
- Lab and pathology
- 2023: 1392024: 1497%
- Imaging
- 2023: 222024: 22No change
Dr. Yi compared with the Florida median for general practice physicians, 2024
- Dr. Yi
- Florida median
- Medicare services
- 372vs 1023.6 times
- Medicare patients
- 188vs 404.7 times
- Part D claims
- 273vs 1,59783% below
Medians across 1,557 general practice physicians in Florida with Dmand AI profiles that report each measure.
Dr. Yi'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yi and other general practice physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Chang Yi treated 188 Medicare patients in 2024, average age 74
CMS counts 188 Medicare patients who saw Dr. Yi in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yi's median patient age at 27, with 59% women.
Dr. Yi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Yi's Medicare patients by sex, 2024
- Women12365%
- Men6535%
Chronic conditions among Dr. Yi's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis51%
- Ischemic heart disease37%
- Diabetes28%
- Anxiety26%
- Mood disorders23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Chang Yi wrote 372 Medicare Part D claims in 2024
In 2024, Dr. Yi wrote 372 Medicare Part D claims for 233 patients. 91% of them were for generic drugs. CMS names the drug for 273 of them, across 13 drugs with 11 or more claims each, at $4,488 in total drug cost. In 2023, CMS named 228 claims across 9 drugs.
Dr. Yi's Part D claims by kind of drug, 2024
- Generic338 claims91%
- Brand-name and other34 claims9%
Dr. Yi'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 Dr. Yi's Part D claims, 2024
- Antibiotics36%134 of 372 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: 2282024: 27320%
Drugs named by CMS: 13 in 2024, 9 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
How Dr. David Chang Yi takes part in Medicare
Dr. Yi 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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Dr. David Chang Yi received $418 in industry payments from 2016 to 2021
CMS Open Payments shows 5 general payments to Dr. Yi from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Incyte Corporation paid the most, $135.
General payments to Dr. Yi by program year, 2016 to 2021
Companies that paid Dr. Yi the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Chang Yi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Yi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. David Chang Yi accepts plans from 7 insurance carriers
Dr. Yi is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- Cigna
- CMS Medicare
- GA State Medicaid
- HCSC
Plan types Dr. Yi accepts, by number of carriers
- Medicare3
- PPO3
- EPO2
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Chang Yi'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David Chang Yi
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. David Chang Yi's NPI number?
Dr. David Chang Yi's NPI number is 1366693921. It was assigned on October 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. David Chang Yi?
Dr. David Chang Yi is a general practice physician in Orlando, Florida. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. David Chang Yi practice?
Dr. Yi practices at 12301 Lake Underhill Rd, Orlando, FL 32828. Dr. Yi's primary practice is The miniER at Waterford Lakes in Orlando, Florida. Dmand AI also links Dr. Yi to 2 medical groups.
What is Dr. David Chang Yi's office phone number?
The practice phone on file for Dr. Yi is (407) 249-8870.
What is Dr. David Chang Yi's medical license number?
Dr. Yi holds Florida license ME102801.
What medical group is Dr. David Chang Yi part of?
Dr. Yi is linked to Nemours Children's Hospital, Delaware. Dmand AI links Dr. Yi to 2 more medical groups.
Does Dr. David Chang Yi accept Medicare?
Yes. CMS data shows Dr. Yi billed Medicare for 372 services in 2024, and Dr. Yi accepts Medicare assignment.
How many Medicare patients does Dr. David Chang Yi see?
CMS counts 188 Medicare patients who saw Dr. Yi in 2024, with an average age of 74.
Is Dr. David Chang Yi board certified?
Yes. Dr. Yi is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. David Chang Yi bill to Medicare?
In 2024, Dr. Yi's most billed Medicare services were lab and pathology test (87804), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. David Chang Yi go to medical school?
Dr. Yi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005.
What drugs does Dr. David Chang Yi prescribe most?
In 2024 Medicare Part D data, Dr. Yi's most prescribed drugs by claims were Fluticasone Propionate, Montelukast Sodium and Doxycycline Hyclate.
Has Dr. David Chang Yi received payments from drug or device companies?
CMS Open Payments shows $418 in general payments to Dr. Yi from 5 companies from 2016 to 2021. The largest total came from Incyte Corporation.
How long has Dr. David Chang Yi been practicing?
Dr. Yi graduated from medical school in 2005, 21 years ago.
What insurance does Dr. David Chang Yi accept?
Dr. Yi is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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