Timothy Weng, PA-C
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 322
- Hospital affiliations
- 2
- Industry payments
- $117
- Medical group
- 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 Timothy Weng'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.
Timothy Weng is a physician assistant in Stanford, California
Timothy Weng practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Timothy Weng's NPI, 1396438537, was assigned on June 2, 2023. Timothy Weng holds California license PA61521.
- NPI
- 1396438537NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274989231
- NPI enumeration date
- June 2, 2023
- 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
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Timothy Weng practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Timothy Weng'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
Timothy Weng is affiliated with 4 sites of care and 1 medical group
Timothy Weng's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Timothy Weng to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Timothy Weng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Weng 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 affiliated sites | 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.
Timothy Weng is one of 11,482 physician assistants in California
Physician assistant is Timothy Weng's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Timothy Weng is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Timothy Weng
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
Timothy Weng treated 156 Medicare patients in 2024, average age 69
CMS counts 156 Medicare patients who saw Timothy Weng in 2024. The largest group is 65 to 74, with 129 patients. 71% of them have high cholesterol, and 53% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.68, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Timothy Weng's median patient age at 50, with 43% women.
Timothy Weng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Timothy Weng's Medicare patients by sex, 2024
- Women10769%
- Men4931%
Chronic conditions among Timothy Weng's Medicare patients, 2024
- High cholesterol71%
- High blood pressure53%
- Arthritis31%
- Ischemic heart disease18%
- Anxiety17%
- Diabetes16%
- Osteoporosis16%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Timothy Weng'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
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Timothy Weng wrote 322 Medicare Part D claims in 2024
In 2024, Timothy Weng wrote 322 Medicare Part D claims for 160 patients. 84% of them were for generic drugs.
Timothy Weng's Part D claims by kind of drug, 2024
- Generic271 claims84%
- Brand-name and other51 claims16%
Drug classes CMS tracks in Timothy Weng's Part D claims, 2024
- Antibiotics29%94 of 322 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Timothy Weng offers telehealth to Medicare patients
Timothy Weng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Timothy Weng as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Timothy Weng received $117 in industry payments in 2025
CMS Open Payments shows 1 general payment to Timothy Weng from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $117.
Companies that paid Timothy Weng 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 Timothy Weng'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Timothy Weng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Timothy Weng's NPI number?
Timothy Weng's NPI number is 1396438537. It was assigned on June 2, 2023, and it is active in the NPI Registry.
What does Timothy Weng specialize in?
Timothy Weng is a physician assistant in Stanford, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Timothy Weng practice?
Timothy Weng practices at 300 Pasteur Drive, Stanford, CA 94305. Timothy Weng's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Timothy Weng to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Timothy Weng's office phone number?
The practice phone on file for Timothy Weng is (650) 723-4000.
What is Timothy Weng's medical license number?
Timothy Weng holds California license PA61521.
Which hospitals is Timothy Weng affiliated with?
Timothy Weng practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Timothy Weng to 1 more hospital.
What medical group is Timothy Weng part of?
Timothy Weng is linked to Palo Alto Foundation Medical Group.
Does Timothy Weng accept Medicare?
Yes. CMS lists Timothy Weng as accepting Medicare assignment.
Does Timothy Weng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Timothy Weng as offering telehealth services.
How many Medicare patients does Timothy Weng see?
CMS counts 156 Medicare patients who saw Timothy Weng in 2024, with an average age of 69.
Has Timothy Weng received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Timothy Weng from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Timothy Weng been practicing?
Timothy Weng graduated from medical school in 2022, 4 years ago.
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