Dietary SupplementsHomocysteineHyperhomocysteinemia
Christopher Huihui Leo
NPI1801323639PAC ID6507106697
- Medicare services, 2024
- 531
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 296
- Publications
- 9
- Hospital affiliations
- 1
- 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 Christopher Leo's professional email, personal email and mobile number
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Christopher Huihui Leo is an internist in Durham, North Carolina
Christopher Leo practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Christopher Leo's NPI, 1801323639, was assigned on May 11, 2017. Christopher Leo holds North Carolina license 202004260.
NPI and contact details
- NPI
- 1801323639NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507106697
- NPI enumeration date
- May 11, 2017
- 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
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Huihui Leo practices at Duke University Hospital in Durham, North Carolina
Christopher Leo'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
Christopher Huihui Leo is affiliated with 1 site of care and 1 medical group
Christopher Leo's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Regional Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher Huihui Leo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Leo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Huihui Leo is one of 3,705 internists in North Carolina
Internal medicine is Christopher Leo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Christopher Leo's licenses on file in 2 states: North Carolina and New York.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
- Student in an organized health care education/training program, New York
Internists near Christopher Leo
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
Christopher Huihui Leo billed Medicare for 531 services in 2024
CMS data shows 531 Medicare services from Christopher Leo across 5 procedure codes in 2024, for 169 Medicare patients. Medicare paid $40,717 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024531
Medicare patients169
Paid by Medicare$40,717
Procedure codes5
Christopher Leo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5252024: 5311%
Christopher Leo compared with the North Carolina median for internists, 2024
- Christopher Leo
- North Carolina median
- Medicare services
- 531vs 521Close to median
- Medicare patients
- 169vs 1859% below
- Part D claims
- 62vs 27277% below
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Christopher Leo'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 Christopher Leo?
Medicare shows one payer. Book a meeting to get commercial claims data for Christopher Leo and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christopher Huihui Leo treated 169 Medicare patients in 2024, average age 74
CMS counts 169 Medicare patients who saw Christopher Leo in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 3.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher Leo's median patient age at 75, with 57% women.
Medicare patients, 2024169
Average age74
Average risk score3.19
Also on Medicaid19%
Christopher Leo's Medicare patients by age, 2024
Christopher Leo's Medicare patients by sex, 2024
- Women9254%
- Men7746%
Chronic conditions among Christopher Leo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease55%
- Ischemic heart disease54%
- Heart failure50%
- Mood disorders50%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Christopher Leo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Huihui Leo wrote 296 Medicare Part D claims in 2024
In 2024, Christopher Leo wrote 296 Medicare Part D claims for 129 patients. 82% of them were for generic drugs. CMS names the drug for 62 of them, across 4 drugs with 11 or more claims each, at $310 in total drug cost. In 2023, CMS named 70 claims across 5 drugs.
Part D claims, 2024296
Drugs named by CMS4
Total drug cost$310
Part D patients129
Christopher Leo's Part D claims by kind of drug, 2024
- Generic242 claims82%
- Brand-name and other54 claims18%
Christopher Leo'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 Christopher Leo's Part D claims, 2024
- Opioids8%23 of 296 claims
- Antibiotics20%59 of 296 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: 702024: 6211%
Drugs named by CMS: 4 in 2024, 5 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 Christopher Huihui Leo takes part in Medicare
Christopher Leo 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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Christopher Huihui Leo has 9 publications on record
Dmand AI links 9 papers to Christopher Leo, published from 2018 to 2025. 2020 was the busiest year, with 3. The most frequent topics are COVID-19, Dietary Supplements and Randomized Controlled Trials as Topic. Christopher Leo has published most often in Nutrients. Christopher Leo's most frequent co-authors are Dariush Alaie, MD, Jonathan E. Fischer, MD and Helen Hoenig, MD.
Papers9
Years published2018 to 2025
Christopher Leo's papers by year, 2018 to 2025
Topics Christopher Leo writes about most
- COVID-19
- Dietary Supplements
- Randomized Controlled Trials as Topic
- Renal Dialysis
Christopher Leo's most frequent co-authors
Recent publications by Christopher Leo
Critical CareCritical IllnessDietary Supplements
J Am Geriatr Soc
AlgorithmsComorbidityElectronic Health Records
Stroke Vasc Neurol
AnticoagulantsCOVID-19Fibrinolytic Agents
Nephrology (Carlton)
BetacoronavirusCivil DefenseCoronavirus Infections
See who Christopher Leo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Christopher Leo works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Christopher Huihui Leo received $149 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Christopher Leo from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Tempus AI, Inc paid the most, $93.
General payments to Christopher Leo by program year, 2023 to 2025
Companies that paid Christopher Leo the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher Huihui Leo'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) |
| 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) |
| 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 Christopher Huihui Leo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher Huihui Leo's NPI number?
Christopher Huihui Leo's NPI number is 1801323639. It was assigned on May 11, 2017, and it is active in the NPI Registry.
What does Christopher Huihui Leo specialize in?
Christopher Huihui Leo is an internist in Durham, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Christopher Huihui Leo practice?
Christopher Leo practices at 2301 Erwin Rd, Durham, NC 27705. Christopher Leo's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University.
What is Christopher Huihui Leo's office phone number?
The practice phone on file for Christopher Leo is (919) 684-8111.
What is Christopher Huihui Leo's medical license number?
Christopher Leo holds North Carolina license 202004260, one of the licenses on file in 2 states.
Which states has Christopher Huihui Leo been licensed in?
Dmand AI has state licenses on file for Christopher Leo in North Carolina and New York.
Which hospitals is Christopher Huihui Leo affiliated with?
Christopher Leo practices at Duke University Hospital in Durham, North Carolina.
What medical group is Christopher Huihui Leo part of?
Christopher Leo is linked to Duke Regional Hospital.
Does Christopher Huihui Leo accept Medicare?
Yes. CMS data shows Christopher Leo billed Medicare for 531 services in 2024, and Christopher Leo accepts Medicare assignment.
How many Medicare patients does Christopher Huihui Leo see?
CMS counts 169 Medicare patients who saw Christopher Leo in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Christopher Huihui Leo bill to Medicare?
In 2024, Christopher Leo's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
What drugs does Christopher Huihui Leo prescribe most?
In 2024 Medicare Part D data, Christopher Leo's most prescribed drugs by claims were Ciprofloxacin HCl, Oxycodone HCl and Pantoprazole Sodium.
Has Christopher Huihui Leo received payments from drug or device companies?
CMS Open Payments shows $149 in general payments to Christopher Leo from 2 companies from 2023 to 2025. The largest total came from Tempus AI, Inc.
How long has Christopher Huihui Leo been practicing?
Christopher Leo graduated from medical school in 2002, 24 years ago.
Does Christopher Huihui Leo do research?
Dmand AI links 9 publications to Christopher Leo, published from 2018 to 2025.
Who does Christopher Huihui Leo publish with?
Christopher Leo's most frequent co-authors are Dariush Alaie, MD (1 shared paper), Jonathan E. Fischer, MD (1 shared paper) and Helen Hoenig, MD (1 shared paper).
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