Dr. David Woojin Jang, MD
- Medicare services, 2024
- 631
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 262
- Hospital affiliations
- 2
- Industry payments
- $326,698
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jang'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 Woojin Jang is an otolaryngologist in Durham, North Carolina
Dr. Jang practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Jang's NPI, 1295995355, was assigned on June 12, 2008. Dr. Jang graduated from State University of New York Downstate Medical Center in 2007. Dr. Jang holds North Carolina license 2013-00628.
- NPI
- 1295995355NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052569225
- NPI enumeration date
- June 12, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Woojin Jang practices at Duke University Hospital in Durham, North Carolina
Dr. Jang's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. David Woojin Jang is affiliated with 4 sites of care and 3 medical groups
Dr. Jang's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dr. Jang is also affiliated with Duke Regional Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Jang to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Woojin Jang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Duke University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David Woojin Jang is one of 342 otolaryngologists in North Carolina
Otolaryngology is Dr. Jang's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dmand AI has Dr. Jang's licenses on file in 3 states: North Carolina, Georgia and New York.
Specialties and state licenses
- Otolaryngology, North CarolinaPrimary
- Georgia license
- New York license
Otolaryngologists near Dr. Jang
Counts of otolaryngologists 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 Woojin Jang billed Medicare for 631 services in 2024
CMS data shows 631 Medicare services from Dr. Jang across 11 procedure codes in 2024, for 184 Medicare patients. Medicare paid $70,163 for them.
Dr. Jang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4372024: 34920%
- Office and hospital visits
- 2023: 3142024: 28210%
Where Dr. Jang's Medicare services took place, 2024
- In an office32451%
- In a facility30749%
Dr. Jang compared with the North Carolina median for otolaryngologists, 2024
- Dr. Jang
- North Carolina median
- Medicare services
- 631vs 628Close to median
- Medicare patients
- 184vs 28636% below
- Part D claims
- 174vs 25431% below
Medians across 333 otolaryngologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Jang'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 Dr. Jang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jang and other otolaryngologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Woojin Jang treated 184 Medicare patients in 2024, average age 70
CMS counts 184 Medicare patients who saw Dr. Jang in 2024. The largest group is 65 to 74, with 99 patients. 70% of them have high blood pressure, and 66% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jang's median patient age at 63, with 50% women.
Dr. Jang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jang's Medicare patients by sex, 2024
- Women10255%
- Men8245%
Chronic conditions among Dr. Jang's Medicare patients, 2024
- High blood pressure70%
- High cholesterol66%
- Arthritis43%
- Anxiety27%
- Asthma26%
- Diabetes24%
- Osteoporosis23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Woojin Jang wrote 262 Medicare Part D claims in 2024
In 2024, Dr. Jang wrote 262 Medicare Part D claims for 108 patients. 98% of them were for generic drugs. CMS names the drug for 174 of them, across 6 drugs with 11 or more claims each, at $3,651 in total drug cost. In 2023, CMS named 162 claims across 6 drugs.
Dr. Jang's Part D claims by kind of drug, 2024
- Generic256 claims98%
- Brand-name and other6 claims2%
Dr. Jang'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. Jang's Part D claims, 2024
- Opioids8%21 of 262 claims
- Antibiotics19%50 of 262 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: 1622024: 1747%
Drugs named by CMS: 6 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
How Dr. David Woojin Jang takes part in Medicare
Dr. Jang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David Woojin Jang received $326,698 in industry payments from 2016 to 2025
CMS Open Payments shows 403 general payments to Dr. Jang from 17 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 74% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $272,562. It also lists 15 research payments totaling $10,172 from 2024 to 2025, naming 1 clinical trial.
General payments to Dr. Jang by program year, 2016 to 2025
General payments to Dr. Jang by kind, 2016 to 2025
- Speaker and faculty fees$242,79974%
- Travel and lodging$38,60612%
- Consulting fees$34,42911%
- Food and beverage$10,8653%
Companies that paid Dr. Jang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Woojin Jang graduated from State University of New York Downstate Medical Center
Dr. Jang graduated from State University of New York Downstate Medical Center in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Woojin Jang'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)Doctors and Clinicians Utilization Data (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 Dr. David Woojin Jang
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 Woojin Jang's NPI number?
Dr. David Woojin Jang's NPI number is 1295995355. It was assigned on June 12, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. David Woojin Jang?
Dr. David Woojin Jang is an otolaryngologist in Durham, North Carolina. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. David Woojin Jang practice?
Dr. Jang practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Jang's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Jang to 2 group practices and clinics and 2 medical groups.
What is Dr. David Woojin Jang's office phone number?
The practice phone on file for Dr. Jang is (919) 684-8111.
What is Dr. David Woojin Jang's medical license number?
Dr. Jang holds North Carolina license 2013-00628, one of the licenses on file in 3 states.
Which states has Dr. David Woojin Jang been licensed in?
Dmand AI has state licenses on file for Dr. Jang in North Carolina, Georgia and New York.
Which hospitals is Dr. David Woojin Jang affiliated with?
Dr. Jang practices at Duke University Hospital in Durham, North Carolina. Dr. Jang is also affiliated with Duke Regional Hospital.
What medical group is Dr. David Woojin Jang part of?
Dr. Jang is linked to Duke Health Integrated Practice. Dmand AI links Dr. Jang to 2 more medical groups.
Does Dr. David Woojin Jang accept Medicare?
Yes. CMS data shows Dr. Jang billed Medicare for 631 services in 2024, and Dr. Jang accepts Medicare assignment.
How many Medicare patients does Dr. David Woojin Jang see?
CMS counts 184 Medicare patients who saw Dr. Jang in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. David Woojin Jang bill to Medicare?
In 2024, Dr. Jang's most billed Medicare services were surgery: lungs and airway (31231), office visit, established patient (99214) and surgery: lungs and airway (31237).
Where did Dr. David Woojin Jang go to medical school?
Dr. Jang graduated from State University of New York Downstate Medical Center in 2007.
What drugs does Dr. David Woojin Jang prescribe most?
In 2024 Medicare Part D data, Dr. Jang's most prescribed drugs by claims were Ipratropium Bromide, Azelastine HCl and Fluticasone Propionate.
Has Dr. David Woojin Jang received payments from drug or device companies?
CMS Open Payments shows $326,698 in general payments to Dr. Jang from 17 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. David Woojin Jang been practicing?
Dr. Jang graduated from medical school in 2007, 19 years ago.
Selling to otolaryngology practices?
See otolaryngologists in North Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card