Alzheimers Dement
CaregiversDementiaDepression
Dr. Winston Chiong, MD, PhD
NPI1427201433PAC ID7113059429
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 66
- Publications
- 101
- MIPS score, 2024
- 85
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chiong'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. Winston Chiong is a neurologist in San Francisco, California
Dr. Chiong practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Chiong's NPI, 1427201433, was assigned on November 4, 2008. Dr. Chiong graduated from UCSF School of Medicine in 2006. Dr. Chiong holds California license A101024.
NPI and contact details
- NPI
- 1427201433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113059429
- NPI enumeration date
- November 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Winston Chiong practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Chiong's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Winston Chiong is affiliated with 1 site of care and 2 medical groups
Dr. Chiong's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Chiong to 1 more medical group, named with a free account. Dr. Chiong's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Winston Chiong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Winston Chiong is one of 2,207 neurologists in California
Neurology is Dr. Chiong's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chiong is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Chiong is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Clinical focus
Dmand AI lists alzheimer's disease and non-alzheimer's dementia (chronic) among the conditions Dr. Chiong treats.
Neurologists near Dr. Chiong
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
2,207neurologists in California223neurologists in San Francisco111neurologists at UCSF Helen Diller Medical Center at Parnassus Heights
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Winston Chiong billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Dr. Chiong across 2 procedure codes in 2024, for 41 Medicare patients. Medicare paid $5,425 for them. Every service was in an office.
Medicare services, 202485
Medicare patients41
Paid by Medicare$5,425
Procedure codes2
Dr. Chiong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 552024: 4322%
- Office and hospital visits
- 2023: 542024: 4222%
Dr. Chiong compared with the California median for neurologists, 2024
- Dr. Chiong
- California median
- Medicare services
- 85vs 40479% below
- Medicare patients
- 41vs 19078% below
- Part D claims
- 29vs 32491% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Chiong'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. Winston Chiong treated 41 Medicare patients in 2024, average age 76
CMS counts 41 Medicare patients who saw Dr. Chiong in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chiong's median patient age at 79, with 55% women.
Medicare patients, 202441
Average age76
Average risk score1.31
Dr. Chiong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chiong's Medicare patients by sex, 2024
- Women2151%
- Men2049%
Chronic conditions among Dr. Chiong's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Alzheimer's and dementia49%
- Mood disorders49%
- Depression44%
- Arthritis37%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Winston Chiong wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Chiong wrote 66 Medicare Part D claims for 19 patients. 89% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $186 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Part D claims, 202466
Drugs named by CMS2
Total drug cost$186
Part D patients19
Dr. Chiong's Part D claims by kind of drug, 2024
- Generic59 claims89%
- Brand-name and other7 claims11%
Dr. Chiong'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: 252024: 2916%
Drugs named by CMS: 2 in 2024, 2 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. Winston Chiong scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Chiong for performance year 2024, reported as part of a group. Dr. Chiong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chiong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chiong's MIPS scores, performance year 2024
- 85of 100Final score
- 81.1of 100Quality
- 40of 100Improvement Activities
- 71of 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. Winston Chiong has 101 publications on record
Dmand AI links 101 papers to Dr. Chiong, published from 2013 to 2024. 2021 was the busiest year, with 13. The most frequent topics are Dementia, Caregivers and Informed Consent. Dr. Chiong has published most often in Neurology. Dr. Chiong's most frequent co-authors are Bruce L. Miller, MD, Stephen J. Bonasera, MD and Sameer Anil Sheth, MD, PhD.
Papers101
Years published2013 to 2024
Dr. Chiong's papers by year, 2015 to 2024
Topics Dr. Chiong writes about most
- Dementia
- Caregivers
- Informed Consent
- Decision Making
- Frontotemporal Dementia
- Alzheimer Disease
- Epilepsy
- Stroke
Dr. Chiong's most frequent co-authors
- Bruce L. Miller, MD12 shared papers
- Stephen J. Bonasera, MD11 shared papers
- Sameer Anil Sheth, MD, PhD6 shared papers
Recent publications by Dr. Chiong
Alzheimers Res Ther
Black or African AmericanCaregiversDementia
EmotionsFrontotemporal DementiaMorals
J Neuropsychiatry Clin Neurosci
Black or African AmericanEpilepsyEthnicity
See who Dr. Chiong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chiong 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. Winston Chiong graduated from UCSF School of Medicine
Dr. Chiong graduated from UCSF School of Medicine in 2006.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Winston Chiong accepts plans from 7 insurance carriers
Dr. Chiong is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. 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
- CMS Medicare
- Elevance
Plan types Dr. Chiong accepts, by number of carriers
- Medicare6
- PPO6
- HMO3
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Winston Chiong'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 |
| 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. Winston Chiong
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. Winston Chiong's NPI number?
Dr. Winston Chiong's NPI number is 1427201433. It was assigned on November 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Winston Chiong?
Dr. Winston Chiong is a neurologist in San Francisco, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Winston Chiong practice?
Dr. Chiong practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Chiong's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Chiong to 1 medical group.
What is Dr. Winston Chiong's office phone number?
The practice phone on file for Dr. Chiong is (415) 353-2733.
What is Dr. Winston Chiong's medical license number?
Dr. Chiong holds California license A101024.
Which hospitals is Dr. Winston Chiong affiliated with?
Dr. Chiong practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Winston Chiong part of?
Dr. Chiong is linked to UCSF Pediatrics. Dmand AI links Dr. Chiong to 1 more medical group.
Does Dr. Winston Chiong accept Medicare?
Yes. CMS data shows Dr. Chiong billed Medicare for 85 services in 2024, and Dr. Chiong accepts Medicare assignment.
Does Dr. Winston Chiong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chiong as offering telehealth services.
What is Dr. Winston Chiong's MIPS score?
Dr. Chiong's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Winston Chiong see?
CMS counts 41 Medicare patients who saw Dr. Chiong in 2024, with an average age of 76.
Is Dr. Winston Chiong board certified?
Yes. Dr. Chiong is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Winston Chiong bill to Medicare?
In 2024, Dr. Chiong's most billed Medicare services were medicare service (G2212) and office visit, established patient (99215).
Where did Dr. Winston Chiong go to medical school?
Dr. Chiong graduated from UCSF School of Medicine in 2006.
What drugs does Dr. Winston Chiong prescribe most?
In 2024 Medicare Part D data, Dr. Chiong's most prescribed drugs by claims were Donepezil HCl and Quetiapine Fumarate.
How long has Dr. Winston Chiong been practicing?
Dr. Chiong graduated from medical school in 2006, 20 years ago.
Does Dr. Winston Chiong do research?
Dmand AI links 101 publications to Dr. Chiong, published from 2013 to 2024.
Who does Dr. Winston Chiong publish with?
Dr. Chiong's most frequent co-authors are Bruce L. Miller, MD (12 shared papers), Stephen J. Bonasera, MD (11 shared papers) and Sameer Anil Sheth, MD, PhD (6 shared papers).
What insurance does Dr. Winston Chiong accept?
Dr. Chiong is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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