Aquaporin 4AsianMultiple Sclerosis
Dr. Jessica Hwei-Jay Fan, MD
NPI1619407707PAC ID2769754829
- Medicare services, 2022
- 150
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 1,444
- Publications
- 5
- Affiliated sites
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
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Dr. Jessica Hwei-Jay Fan is a neurologist in Richmond, California
Dr. Fan practices at Richmond Medical Center in Richmond, California.
Dr. Fan's NPI, 1619407707, was assigned on June 12, 2017. Dr. Fan graduated from WashU Medicine in 2017. Dr. Fan holds California license A171710.
NPI and contact details
- NPI
- 1619407707NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769754829
- NPI enumeration date
- June 12, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jessica Hwei-Jay Fan practices at Richmond Medical Center in Richmond, California
Dr. Fan's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jessica Hwei-Jay Fan is affiliated with 2 sites of care and 4 medical groups
Dr. Fan's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Fan to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Richmond Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jessica Hwei-Jay Fan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jessica Hwei-Jay Fan is one of 2,207 neurologists in California
Neurology is Dr. Fan's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Fan is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Fan's licenses on file in 3 states: California, Pennsylvania and Massachusetts.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Pennsylvania license
- Massachusetts license
Clinical focus
Dmand AI lists muscle disease among the conditions Dr. Fan treats.
Neurologists near Dr. Fan
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. Jessica Hwei-Jay Fan billed Medicare for 150 services in 2022
CMS data shows 150 Medicare services from Dr. Fan across 3 procedure codes in 2022, for 15 Medicare patients. Medicare paid $12,265 for them. Every service was in an office.
Medicare services, 2022150
Medicare patients15
Paid by Medicare$12,265
Procedure codes3
Dr. Fan's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 532022: 9987%
- Other services
- 2021: 342022: 5150%
Dr. Fan compared with the California median for neurologists, 2022
- Dr. Fan
- California median
- Medicare services
- 150vs 40463% below
- Medicare patients
- 15vs 19092% below
- Part D claims
- 1,195vs 3243.7 times
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Fan's most billed Medicare procedure codes, 2022
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. Fan and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jessica Hwei-Jay Fan treated 15 Medicare patients in 2024, average age 61
CMS counts 15 Medicare patients who saw Dr. Fan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fan's median patient age at 52, with 71% women.
Medicare patients, 202415
Average age61
Average risk score1.51
Dr. Fan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jessica Hwei-Jay Fan wrote 1,444 Medicare Part D claims in 2024
In 2024, Dr. Fan wrote 1,444 Medicare Part D claims for 321 patients. 89% of them were for generic drugs. CMS names the drug for 1,195 of them, across 38 drugs with 11 or more claims each, at $512,901 in total drug cost. In 2023, CMS named 652 claims across 26 drugs.
Part D claims, 20241,444
Drugs named by CMS38
Total drug cost$512,901
Part D patients321
Dr. Fan's Part D claims by kind of drug, 2024
- Generic1,285 claims89%
- Brand-name131 claims9%
- Other28 claims2%
Dr. Fan'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. Fan's Part D claims, 2024
- Opioids2%32 of 1,444 claims
- Antipsychotics, patients 65 and over1%15 of 1,444 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: 6522024: 1,19583%
Drugs named by CMS: 38 in 2024, 26 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. Jessica Hwei-Jay Fan offers telehealth to Medicare patients
Dr. Fan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jessica Hwei-Jay Fan has 5 publications on record
Dmand AI links 5 papers to Dr. Fan, published from 2016 to 2023. Dr. Fan's most frequent co-authors are Joseph Rossi Berger, MD, Riley Bove, MD and Chu-Yueh Guo, MD.
Papers5
Years published2016 to 2023
Dr. Fan's papers by year, 2016 to 2023
Dr. Fan's most frequent co-authors
Recent publications by Dr. Fan
Mult Scler Relat Disord
CrotonatesDiarrheaHydroxybutyrates
Parkinsonism Relat Disord
Bone Marrow TransplantationKidney TransplantationLiver Transplantation
Assessment of Medication AdherenceDiabetes Mellitus, Type 2Health Knowledge, Attitudes, Practice
ActinsAxonsBiological Factors
See who Dr. Fan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fan 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. Jessica Hwei-Jay Fan graduated from WashU Medicine
Dr. Fan graduated from WashU Medicine in 2017.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Jessica Hwei-Jay Fan accepts plans from 6 insurance carriers
Dr. Fan is in network with 6 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aetna
- CMS Medicare
Plan types Dr. Fan accepts, by number of carriers
- Medicare4
- PPO3
- HMO2
- EPO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jessica Hwei-Jay Fan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| 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. Jessica Hwei-Jay Fan
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. Jessica Hwei-Jay Fan's NPI number?
Dr. Jessica Hwei-Jay Fan's NPI number is 1619407707. It was assigned on June 12, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jessica Hwei-Jay Fan?
Dr. Jessica Hwei-Jay Fan is a neurologist in Richmond, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Jessica Hwei-Jay Fan practice?
Dr. Fan practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Fan's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Fan to 3 medical groups and 1 group practice or clinic.
What is Dr. Jessica Hwei-Jay Fan's office phone number?
The practice phone on file for Dr. Fan is (510) 307-1555.
What is Dr. Jessica Hwei-Jay Fan's medical license number?
Dr. Fan holds California license A171710, one of the licenses on file in 3 states.
Which states has Dr. Jessica Hwei-Jay Fan been licensed in?
Dmand AI has state licenses on file for Dr. Fan in California (2021 to 2027), Pennsylvania (2018 to 2021) and Massachusetts (2017 to 2018).
What medical group is Dr. Jessica Hwei-Jay Fan part of?
Dr. Fan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Fan to 3 more medical groups.
Does Dr. Jessica Hwei-Jay Fan accept Medicare?
Yes. CMS data shows Dr. Fan billed Medicare for 150 services in 2022, and Dr. Fan accepts Medicare assignment.
Does Dr. Jessica Hwei-Jay Fan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fan as offering telehealth services.
How many Medicare patients does Dr. Jessica Hwei-Jay Fan see?
CMS counts 15 Medicare patients who saw Dr. Fan in 2024, with an average age of 61.
Show 8 more questionsShow fewer questions
Is Dr. Jessica Hwei-Jay Fan board certified?
Yes. Dr. Fan is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Jessica Hwei-Jay Fan bill to Medicare?
In 2022, Dr. Fan's most billed Medicare services were office visit, established patient (99215), medicare service (G2212) and office visit, new patient (99205).
Where did Dr. Jessica Hwei-Jay Fan go to medical school?
Dr. Fan graduated from WashU Medicine in 2017.
What drugs does Dr. Jessica Hwei-Jay Fan prescribe most?
In 2024 Medicare Part D data, Dr. Fan's most prescribed drugs by claims were Carbidopa-Levodopa, Levetiracetam and Gabapentin.
How long has Dr. Jessica Hwei-Jay Fan been practicing?
Dr. Fan graduated from medical school in 2017, 9 years ago.
Does Dr. Jessica Hwei-Jay Fan do research?
Dmand AI links 5 publications to Dr. Fan, published from 2016 to 2023.
Who does Dr. Jessica Hwei-Jay Fan publish with?
Dr. Fan's most frequent co-authors are Joseph Rossi Berger, MD (1 shared paper), Riley Bove, MD (1 shared paper) and Chu-Yueh Guo, MD (1 shared paper).
What insurance does Dr. Jessica Hwei-Jay Fan accept?
Dr. Fan is in network with 6 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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