Dr. Nan Cheng, MD
- Medicare services, 2024
- 6,542
- Medicare patients, 2024
- 95
- Part D claims, 2024
- 160
- Publications
- 22
- MIPS score, 2024
- 86
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cheng's professional email, personal email and mobile number
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Dr. Nan Cheng is a neurologist in Orange, California
Dr. Cheng practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Cheng's NPI, 1235795774, was assigned on May 9, 2019. Dr. Cheng graduated from University of Maryland School of Medicine - Baltimore in 2019. Dr. Cheng holds California license A182479.
- NPI
- 1235795774NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799019097
- NPI enumeration date
- May 9, 2019
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nan Cheng practices at UCI Health - Orange in Orange, California
Dr. Cheng's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Nan Cheng is affiliated with 1 site of care and 1 medical group
Dr. Cheng's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nan Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Nan Cheng is one of 2,207 neurologists in California
Neurology is Dr. Cheng's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Cheng is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Cheng's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Arizona license
Clinical focus
Dmand AI lists cerebrovascular disease among the conditions Dr. Cheng treats.
Neurologists near Dr. Cheng
Counts of neurologists 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. Nan Cheng billed Medicare for 6,542 services in 2024
CMS data shows 6,542 Medicare services from Dr. Cheng across 7 procedure codes in 2024, for 95 Medicare patients. Medicare paid $40,269 for them. Every service was in an office.
Dr. Cheng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,4002024: 6,400167%
- Surgery
- 2023: 122024: 107792%
- Other services
- 2023: 02024: 19
- Office and hospital visits
- 2023: 02024: 16
Dr. Cheng compared with the California median for neurologists, 2024
- Dr. Cheng
- California median
- Medicare services
- 6,542vs 40416.2 times
- Medicare patients
- 95vs 19050% below
- Part D claims
- 83vs 32474% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Cheng'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. Cheng and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nan Cheng treated 95 Medicare patients in 2024, average age 69
CMS counts 95 Medicare patients who saw Dr. Cheng in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cheng's median patient age at 50, with 79% women.
Dr. Cheng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cheng's Medicare patients by sex, 2024
- Women7074%
- Men2526%
Chronic conditions among Dr. Cheng's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis62%
- Anxiety39%
- Mood disorders38%
- Depression37%
- Diabetes31%
- Osteoporosis25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cheng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women79%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nan Cheng wrote 160 Medicare Part D claims in 2024
In 2024, Dr. Cheng wrote 160 Medicare Part D claims for 41 patients. 88% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $758 in total drug cost.
Dr. Cheng's Part D claims by kind of drug, 2024
- Generic141 claims88%
- Brand-name19 claims12%
Dr. Cheng'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.
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. Nan Cheng scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Cheng for performance year 2024, reported as part of a group. CMS lists Dr. Cheng as offering telehealth.
- Offers telehealth
- Yes
Dr. Cheng's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nan Cheng has 22 publications on record
Dmand AI links 22 papers to Dr. Cheng, published from 2012 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Hepatolenticular Degeneration, China and Copper. Dr. Cheng has published most often in Front Neurol. Dr. Cheng's most frequent co-authors are Philip Eliades, MD, Aubrey Elle Frazzitta, MD and Joseph Michael Fuscaldo, MD.
Dr. Cheng's papers by year, 2015 to 2025
Topics Dr. Cheng writes about most
- Hepatolenticular Degeneration
- China
- Copper
- Creatinine
- Disease Models, Animal
- Membrane Proteins
- Mice, Inbred C57BL
- Uric Acid
Dr. Cheng's most frequent co-authors
- Philip Eliades, MD1 shared paper
- Aubrey Elle Frazzitta, MD1 shared paper
- Joseph Michael Fuscaldo, MD1 shared paper
Recent publications by Dr. Cheng
J Neuroinflammation
See who Dr. Cheng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cheng works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nan Cheng received $6,578 in industry payments from 2024 to 2025
CMS Open Payments shows 24 general payments to Dr. Cheng from 6 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 59% of the total. Abbvie Inc. paid the most, $4,155.
General payments to Dr. Cheng by program year, 2024 to 2025
General payments to Dr. Cheng by kind, 2024 to 2025
- Consulting fees$3,90059%
- Travel and lodging$1,34420%
- Food and beverage$1,33420%
Companies that paid Dr. Cheng the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nan Cheng graduated from University of Maryland School of Medicine - Baltimore
Dr. Cheng graduated from University of Maryland School of Medicine - Baltimore in 2019.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Nan Cheng accepts plans from 11 insurance carriers
Dr. Cheng is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Cheng accepts, by number of carriers
- Medicare7
- PPO7
- HMO4
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Nan Cheng'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Nan Cheng
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. Nan Cheng's NPI number?
Dr. Nan Cheng's NPI number is 1235795774. It was assigned on May 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nan Cheng?
Dr. Nan Cheng is a neurologist in Orange, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Nan Cheng practice?
Dr. Cheng practices at 101 City Drive South, Orange, CA 92868. Dr. Cheng's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine.
What is Dr. Nan Cheng's office phone number?
The practice phone on file for Dr. Cheng is (714) 456-7890.
What is Dr. Nan Cheng's medical license number?
Dr. Cheng holds California license A182479, one of the licenses on file in 2 states.
Which states has Dr. Nan Cheng been licensed in?
Dmand AI has state licenses on file for Dr. Cheng in California (2022 to 2026) and Arizona (2023 to 2025).
Which hospitals is Dr. Nan Cheng affiliated with?
Dr. Cheng practices at UCI Health - Orange in Orange, California.
What medical group is Dr. Nan Cheng part of?
Dr. Cheng is linked to UCI Health Physicians.
Does Dr. Nan Cheng accept Medicare?
Yes. CMS data shows Dr. Cheng billed Medicare for 6,542 services in 2024.
Does Dr. Nan Cheng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Cheng as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Nan Cheng's MIPS score?
Dr. Cheng's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nan Cheng see?
CMS counts 95 Medicare patients who saw Dr. Cheng in 2024, with an average age of 69.
Is Dr. Nan Cheng board certified?
Yes. Dr. Cheng is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Nan Cheng bill to Medicare?
In 2024, Dr. Cheng's most billed Medicare services were injected or infused drug (J0585), surgery: brain, spine and nerves (64615) and surgery: brain, spine and nerves (64405).
Where did Dr. Nan Cheng go to medical school?
Dr. Cheng graduated from University of Maryland School of Medicine - Baltimore in 2019.
What drugs does Dr. Nan Cheng prescribe most?
In 2024 Medicare Part D data, Dr. Cheng's most prescribed drugs by claims were Gabapentin, Sumatriptan Succinate and Topiramate.
Has Dr. Nan Cheng received payments from drug or device companies?
CMS Open Payments shows $6,578 in general payments to Dr. Cheng from 6 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Nan Cheng been practicing?
Dr. Cheng graduated from medical school in 2019, 7 years ago.
Does Dr. Nan Cheng do research?
Dmand AI links 22 publications to Dr. Cheng, published from 2012 to 2025.
Who does Dr. Nan Cheng publish with?
Dr. Cheng's most frequent co-authors are Philip Eliades, MD (1 shared paper), Aubrey Elle Frazzitta, MD (1 shared paper) and Joseph Michael Fuscaldo, MD (1 shared paper).
What insurance does Dr. Nan Cheng accept?
Dr. Cheng is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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