Dr. Seth David Weissman, MD
- Part D claims, 2024
- 1,619
- Hospital affiliations
- 2
- Industry payments
- $277
- State licenses
- 2
- Year NPI issued
- 2006
- 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 Dr. Weissman'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. Seth David Weissman is an internist in Stanford, California
Dr. Weissman practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Weissman's NPI, 1518921253, was assigned on April 12, 2006. Dr. Weissman graduated from University of Miami, Miller School of Medicine in 1987. Dr. Weissman holds California license G71054.
- NPI
- 1518921253NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2006
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Seth David Weissman practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Weissman'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
Dr. Seth David Weissman is affiliated with 2 sites of care
Dr. Weissman's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Weissman to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Seth David Weissman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weissman practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Seth David Weissman is one of 16,751 internists in California
Internal medicine is Dr. Weissman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Weissman is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Weissman's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Arizona license
Internists near Dr. Weissman
Counts of internists 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. Seth David Weissman's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Weissman's median patient age at 78, with 41% women.
Dr. Weissman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women41%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Seth David Weissman wrote 1,619 Medicare Part D claims in 2024
In 2024, Dr. Weissman wrote 1,619 Medicare Part D claims for 111 patients. 88% of them were for generic drugs. CMS names the drug for 1,183 of them, across 44 drugs with 11 or more claims each, at $113,585 in total drug cost. In 2023, CMS named 1,263 claims across 48 drugs.
Dr. Weissman's Part D claims by kind of drug, 2024
- Generic1,424 claims88%
- Brand-name and other195 claims12%
Dr. Weissman'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. Weissman's Part D claims, 2024
- Opioids2%38 of 1,619 claims
- Antibiotics5%77 of 1,619 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: 1,2632024: 1,1836%
Drugs named by CMS: 44 in 2024, 48 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
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Dr. Seth David Weissman received $277 in industry payments from 2018 to 2025
CMS Open Payments shows 5 general payments to Dr. Weissman from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Aimmune Therapeutics, Inc. paid the most, $222.
General payments to Dr. Weissman by program year, 2018 to 2025
Companies that paid Dr. Weissman the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Seth David Weissman graduated from University of Miami, Miller School of Medicine
Dr. Weissman graduated from University of Miami, Miller School of Medicine in 1987.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Seth David Weissman'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) |
| 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 Dr. Seth David Weissman
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. Seth David Weissman's NPI number?
Dr. Seth David Weissman's NPI number is 1518921253. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Seth David Weissman?
Dr. Seth David Weissman is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Seth David Weissman practice?
Dr. Weissman practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Weissman's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Weissman to 1 hospital.
What is Dr. Seth David Weissman's office phone number?
The practice phone on file for Dr. Weissman is (650) 723-4000.
What is Dr. Seth David Weissman's medical license number?
Dr. Weissman holds California license G71054, one of the licenses on file in 2 states.
Which states has Dr. Seth David Weissman been licensed in?
Dmand AI has state licenses on file for Dr. Weissman in California (1991 to 2026) and Arizona (1990 to 2024).
Which hospitals is Dr. Seth David Weissman affiliated with?
Dr. Weissman practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Weissman to 1 more hospital.
Is Dr. Seth David Weissman board certified?
Yes. Dr. Weissman is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Seth David Weissman go to medical school?
Dr. Weissman graduated from University of Miami, Miller School of Medicine in 1987.
What drugs does Dr. Seth David Weissman prescribe most?
In 2024 Medicare Part D data, Dr. Weissman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Seth David Weissman received payments from drug or device companies?
CMS Open Payments shows $277 in general payments to Dr. Weissman from 2 companies from 2018 to 2025. The largest total came from Aimmune Therapeutics, Inc.
How long has Dr. Seth David Weissman been practicing?
Dr. Weissman graduated from medical school in 1987, 39 years ago.
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