Michelle Chau
- Part D claims, 2024
- 195
- Hospital affiliations
- 1
- Industry payments
- $30
- Medical groups
- 2
- Year NPI issued
- 2021
- Practice address
- 828 S Winchester Blvd, San Jose, CA 95128
- Practice phone
- Call (408) 871-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Primary and Specialty Care Winchester
Urgent Care Center · San Jose, California
Find Michelle Chau'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.
Michelle Chau is a physician assistant in San Jose, California
Michelle Chau practices at Primary and Specialty Care Winchester in San Jose, California.
Michelle Chau's NPI, 1255905626, was assigned on May 19, 2021. Michelle Chau graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2020.
- NPI
- 1255905626NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931629995
- NPI enumeration date
- May 19, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 871-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michelle Chau practices at Primary and Specialty Care Winchester in San Jose, California
Michelle Chau's primary practice is Primary and Specialty Care Winchester, at 828 S Winchester Blvd, San Jose, CA 95128. The practice phone is (408) 871-3400.
- Primary and Specialty Care Winchester828 S Winchester Blvd, San Jose, CA 95128Phone(408) 871-3400
Source: Dmand AI Affiliation Data
Michelle Chau is affiliated with 4 sites of care and 2 medical groups
Michelle Chau's primary practice is Primary and Specialty Care Winchester in San Jose, California. Michelle Chau is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Carbon Health. Dmand AI also links Michelle Chau to 2 more group practices and clinics and 1 medical group, each named with a free account. Michelle Chau's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michelle Chau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michelle Chau practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Primary and Specialty Care Winchester | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Michelle Chau is one of 11,482 physician assistants in California
Physician assistant is Michelle Chau's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Michelle Chau
Counts of physician assistants 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
Michelle Chau's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Michelle Chau's median patient age at 61, with 65% women.
Michelle Chau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Michelle Chau wrote 195 Medicare Part D claims in 2024
In 2024, Michelle Chau wrote 195 Medicare Part D claims for 97 patients. 87% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $288 in total drug cost.
Michelle Chau's Part D claims by kind of drug, 2024
- Generic170 claims87%
- Brand-name and other25 claims13%
Michelle Chau'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 Michelle Chau's Part D claims, 2024
- Antibiotics33%64 of 195 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Michelle Chau takes part in Medicare
Michelle Chau 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)
For MedTech and pharma teams
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Michelle Chau received $30 in industry payments in 2025
CMS Open Payments shows 1 general payment to Michelle Chau from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $30.
Companies that paid Michelle Chau the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michelle Chau graduated from Touro Un Col of Osteopathic Medicine, Henderson
Michelle Chau graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michelle Chau'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Michelle Chau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michelle Chau's NPI number?
Michelle Chau's NPI number is 1255905626. It was assigned on May 19, 2021, and it is active in the NPI Registry.
What does Michelle Chau specialize in?
Michelle Chau is a physician assistant in San Jose, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michelle Chau practice?
Michelle Chau practices at 828 S Winchester Blvd, San Jose, CA 95128. Michelle Chau's primary practice is Primary and Specialty Care Winchester in San Jose, California. Dmand AI also links Michelle Chau to 2 group practices and clinics and 1 medical group.
What is Michelle Chau's office phone number?
The practice phone on file for Michelle Chau is (408) 871-3400.
Which hospitals is Michelle Chau affiliated with?
Michelle Chau is affiliated with El Camino Health - Mountain View Hospital.
What medical group is Michelle Chau part of?
Michelle Chau is linked to Carbon Health. Dmand AI links Michelle Chau to 1 more medical group.
Does Michelle Chau accept Medicare?
Yes. CMS lists Michelle Chau as accepting Medicare assignment.
Where did Michelle Chau go to medical school?
Michelle Chau graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2020.
What drugs does Michelle Chau prescribe most?
In 2024 Medicare Part D data, Michelle Chau's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Nitrofurantoin Mono-Macro and Sulfamethoxazole-Trimethoprim.
Has Michelle Chau received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Michelle Chau from 1 company from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Michelle Chau been practicing?
Michelle Chau graduated from medical school in 2020, 6 years ago.
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