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Dr. Billy Yu-Ang Lan, MD
NPI1225233653PAC ID5799086674
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 131
- Part D claims, 2024
- 49
- Publications
- 7
- Hospital affiliations
- 2
- Practice address
- 3643 N Roxboro Street, Durham, NC 27704
- Practice phone
- Call (919) 470-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Billy Yu-Ang Lan is a general surgeon in Durham, North Carolina
Dr. Lan practices at Duke Regional Hospital in Durham, North Carolina, part of Duke University.
Dr. Lan's NPI, 1225233653, was assigned on June 16, 2007. Dr. Lan graduated from Tufts University School of Medicine in 2007. Dr. Lan holds North Carolina license 2016-01987.
NPI and contact details
- NPI
- 1225233653NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799086674
- NPI enumeration date
- June 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 470-4000
- 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. Billy Yu-Ang Lan practices at Duke Regional Hospital in Durham, North Carolina
Dr. Lan's primary practice is Duke Regional Hospital, at 3643 N Roxboro Street, Durham, NC 27704 in Durham County. The practice phone is (919) 470-4000.
- Duke Regional Hospital3643 N Roxboro Street, Durham, NC 27704 · Durham CountyPhone(919) 470-4000
Source: Dmand AI Affiliation Data
Dr. Billy Yu-Ang Lan is affiliated with 2 sites of care and 1 medical group
Dr. Lan's primary practice is Duke Regional Hospital in Durham, North Carolina, part of Duke University. Dr. Lan is also affiliated with Duke University Hospital. The medical group on file is Duke Health Integrated Practice.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Billy Yu-Ang Lan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke Regional Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Billy Yu-Ang Lan is one of 1,053 general surgeons in North Carolina
Surgery is Dr. Lan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Lan's licenses on file in 3 states: North Carolina, Hawaii and Ohio.
Specialties and state licenses
- Surgery, North CarolinaPrimary
- Hawaii license
- Ohio license
General surgeons near Dr. Lan
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,053general surgeons in North Carolina91general surgeons in Durham14general surgeons at Duke Regional Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Billy Yu-Ang Lan billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Lan across 6 procedure codes in 2024, for 131 Medicare patients. Medicare paid $12,759 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024135
Medicare patients131
Paid by Medicare$12,759
Procedure codes6
Dr. Lan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 372024: 7397%
- Surgery
- 2023: 222024: 3245%
- Other services
- 2023: 182024: 3067%
Dr. Lan compared with the North Carolina median for general surgeons, 2024
- Dr. Lan
- North Carolina median
- Medicare services
- 135vs 15111% below
- Medicare patients
- 131vs 11514% above
- Part D claims
- 33vs 4120% below
Medians across 950 general surgeons in North Carolina with Dmand AI profiles that report each measure.
Dr. Lan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Billy Yu-Ang Lan treated 131 Medicare patients in 2024, average age 70
CMS counts 131 Medicare patients who saw Dr. Lan in 2024. The largest group is 65 to 74, with 71 patients. 73% of them have high cholesterol, and 69% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lan's median patient age at 69, with 56% women.
Medicare patients, 2024131
Average age70
Average risk score1.40
Also on Medicaid13%
Dr. Lan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lan's Medicare patients by sex, 2024
- Women7356%
- Men5844%
Chronic conditions among Dr. Lan's Medicare patients, 2024
- High cholesterol73%
- High blood pressure69%
- Arthritis46%
- Cancer34%
- Diabetes31%
- Mood disorders31%
- Depression27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Billy Yu-Ang Lan wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Lan wrote 49 Medicare Part D claims for 47 patients. 76% of them were for generic drugs. CMS names the drug for 33 of them, across 1 drug with 11 or more claims each, at $560 in total drug cost. In 2023, CMS named 21 claims across 1 drug.
Part D claims, 202449
Drugs named by CMS1
Total drug cost$560
Part D patients47
Dr. Lan's Part D claims by kind of drug, 2024
- Generic37 claims76%
- Brand-name12 claims24%
Dr. Lan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 212024: 3357%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Billy Yu-Ang Lan ranks in the 76th percentile for colonoscopy in Medicare
Dr. Lan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 85 procedures of colonoscopy by Dr. Lan, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lan ranks in Medicare procedure volume
- Colonoscopy
- 76th percentile85 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Billy Yu-Ang Lan has 7 publications on record
Dmand AI links 7 papers to Dr. Lan, published from 2012 to 2024. 2024 was the busiest year, with 2. The most frequent topics are Colorectal Neoplasms and Postoperative Complications. Dr. Lan's most frequent co-authors are Michael Evan Lidsky, MD, Christopher R. Mantyh, MD and John Migaly, MD.
Papers7
Years published2012 to 2024
Dr. Lan's papers by year, 2012 to 2024
Topics Dr. Lan writes about most
- Colorectal Neoplasms
- Postoperative Complications
Dr. Lan's most frequent co-authors
- Michael Evan Lidsky, MD3 shared papers
- Christopher R. Mantyh, MD3 shared papers
- John Migaly, MD3 shared papers
Recent publications by Dr. Lan
J Laparoendosc Adv Surg Tech A
AdenocarcinomaColectomyColon, Sigmoid
See who Dr. Lan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lan works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Billy Yu-Ang Lan received $20,247 in industry payments from 2016 to 2025
CMS Open Payments shows 91 general payments to Dr. Lan from 13 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $10,865.
General payments to Dr. Lan by program year, 2016 to 2025
General payments to Dr. Lan by kind, 2016 to 2025
$20.2Kin total
- Travel and lodging$8,36041%
- Education$7,00035%
- Food and beverage$4,88724%
Companies that paid Dr. Lan 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. Billy Yu-Ang Lan graduated from Tufts University School of Medicine
Dr. Lan graduated from Tufts University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Billy Yu-Ang Lan'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) |
| 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. Billy Yu-Ang Lan
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. Billy Yu-Ang Lan's NPI number?
Dr. Billy Yu-Ang Lan's NPI number is 1225233653. It was assigned on June 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Billy Yu-Ang Lan?
Dr. Billy Yu-Ang Lan is a general surgeon in Durham, North Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Billy Yu-Ang Lan practice?
Dr. Lan practices at 3643 N Roxboro Street, Durham, NC 27704. Dr. Lan's primary practice is Duke Regional Hospital in Durham, North Carolina, part of Duke University.
What is Dr. Billy Yu-Ang Lan's office phone number?
The practice phone on file for Dr. Lan is (919) 470-4000.
What is Dr. Billy Yu-Ang Lan's medical license number?
Dr. Lan holds North Carolina license 2016-01987, one of the licenses on file in 3 states.
Which states has Dr. Billy Yu-Ang Lan been licensed in?
Dmand AI has state licenses on file for Dr. Lan in North Carolina, Hawaii and Ohio.
Which hospitals is Dr. Billy Yu-Ang Lan affiliated with?
Dr. Lan practices at Duke Regional Hospital in Durham, North Carolina. Dr. Lan is also affiliated with Duke University Hospital.
What medical group is Dr. Billy Yu-Ang Lan part of?
Dr. Lan is linked to Duke Health Integrated Practice.
Does Dr. Billy Yu-Ang Lan accept Medicare?
Yes. CMS data shows Dr. Lan billed Medicare for 135 services in 2024, and Dr. Lan accepts Medicare assignment.
How many Medicare patients does Dr. Billy Yu-Ang Lan see?
CMS counts 131 Medicare patients who saw Dr. Lan in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Billy Yu-Ang Lan bill to Medicare?
In 2024, Dr. Lan's most billed Medicare services were surgery: digestive system (45380), office visit, new patient (99205) and office visit, established patient (99215).
Where did Dr. Billy Yu-Ang Lan go to medical school?
Dr. Lan graduated from Tufts University School of Medicine in 2007.
What drugs does Dr. Billy Yu-Ang Lan prescribe most?
In 2024 Medicare Part D data, Dr. Lan's most prescribed drugs by claims were Gavilyte-G.
Has Dr. Billy Yu-Ang Lan received payments from drug or device companies?
CMS Open Payments shows $20,247 in general payments to Dr. Lan from 13 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Billy Yu-Ang Lan been practicing?
Dr. Lan graduated from medical school in 2007, 19 years ago.
Does Dr. Billy Yu-Ang Lan do research?
Dmand AI links 7 publications to Dr. Lan, published from 2012 to 2024.
Who does Dr. Billy Yu-Ang Lan publish with?
Dr. Lan's most frequent co-authors are Michael Evan Lidsky, MD (3 shared papers), Christopher R. Mantyh, MD (3 shared papers) and John Migaly, MD (3 shared papers).
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