Theresa Mai-Hwang, PA-C
- Part D claims, 2024
- 5,806
- Hospital affiliations
- 4
- Industry payments
- $630
- Medical groups
- 2
- State license
- 1
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Theresa Mai-Hwang'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.
Theresa Mai-Hwang is a physician assistant in Stanford, California
Theresa Mai-Hwang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Theresa Mai-Hwang's NPI, 1629670914, was assigned on November 11, 2020. Theresa Mai-Hwang holds California license 58830.
- NPI
- 1629670914NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355861329
- NPI enumeration date
- November 11, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- 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)
Theresa Mai-Hwang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Theresa Mai-Hwang's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Theresa Mai-Hwang is affiliated with 4 sites of care and 2 medical groups
Theresa Mai-Hwang's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Theresa Mai-Hwang is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Theresa Mai-Hwang to 2 more hospitals and 1 medical group, each named with a free account. Theresa Mai-Hwang'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 Theresa Mai-Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Theresa Mai-Hwang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Theresa Mai-Hwang is one of 11,482 physician assistants in California
Physician assistant is Theresa Mai-Hwang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Theresa Mai-Hwang is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Theresa Mai-Hwang
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
Theresa Mai-Hwang's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Theresa Mai-Hwang's median patient age at 69, with 57% women.
Theresa Mai-Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men41%
Source: Dmand AI Patient Panel Data
Theresa Mai-Hwang wrote 5,806 Medicare Part D claims in 2024
In 2024, Theresa Mai-Hwang wrote 5,806 Medicare Part D claims for 541 patients. 45% of them were for generic drugs.
Theresa Mai-Hwang's Part D claims by kind of drug, 2024
- Generic2,624 claims45%
- Brand-name2,937 claims51%
- Other245 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Theresa Mai-Hwang offers telehealth to Medicare patients
Theresa Mai-Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Theresa Mai-Hwang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Theresa Mai-Hwang received $630 in industry payments in 2025
CMS Open Payments shows 25 general payments to Theresa Mai-Hwang from 13 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $149.
Companies that paid Theresa Mai-Hwang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Theresa Mai-Hwang'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 (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) |
| 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 Theresa Mai-Hwang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Theresa Mai-Hwang's NPI number?
Theresa Mai-Hwang's NPI number is 1629670914. It was assigned on November 11, 2020, and it is active in the NPI Registry.
What does Theresa Mai-Hwang specialize in?
Theresa Mai-Hwang is a physician assistant in Stanford, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Theresa Mai-Hwang practice?
Theresa Mai-Hwang practices at 300 Pasteur Drive, Stanford, CA 94305. Theresa Mai-Hwang's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Theresa Mai-Hwang to 2 hospitals and 1 medical group.
What is Theresa Mai-Hwang's office phone number?
The practice phone on file for Theresa Mai-Hwang is (650) 723-4000.
What is Theresa Mai-Hwang's medical license number?
Theresa Mai-Hwang holds California license 58830.
Which hospitals is Theresa Mai-Hwang affiliated with?
Theresa Mai-Hwang practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Theresa Mai-Hwang is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Theresa Mai-Hwang to 2 more hospitals.
What medical group is Theresa Mai-Hwang part of?
Theresa Mai-Hwang is linked to Stanford Health Care. Dmand AI links Theresa Mai-Hwang to 1 more medical group.
Does Theresa Mai-Hwang accept Medicare?
Yes. CMS lists Theresa Mai-Hwang as accepting Medicare assignment.
Does Theresa Mai-Hwang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Theresa Mai-Hwang as offering telehealth services.
Has Theresa Mai-Hwang received payments from drug or device companies?
CMS Open Payments shows $630 in general payments to Theresa Mai-Hwang from 13 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Theresa Mai-Hwang been practicing?
Theresa Mai-Hwang graduated from medical school in 2020, 6 years ago.
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