Dr. Michael Walter Weiner, MD
- Part D claims, 2024
- 35
- Publications
- 403
- Industry payments
- $68,354
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 4150 Clement St, San Francisco, CA 94121-1545
- Practice phone
- Call (415) 221-4810
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Weiner'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. Michael Walter Weiner is a nephrologist in San Francisco, California
Dr. Weiner practices in San Francisco, California.
Dr. Weiner's NPI, 1346359502, was assigned on August 30, 2006. Dr. Weiner graduated from SUNY Upstate Medical University in 1965. Dr. Weiner holds California license G28940.
- NPI
- 1346359502NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (415) 221-4810
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1965
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Michael Walter Weiner's practice address is in San Francisco, California
Dr. Weiner's practice address in the NPI Registry is 4150 Clement St, San Francisco, CA 94121-1545. The practice phone is (415) 221-4810.
- NPI Registry address4150 Clement St, San Francisco, CA 94121-1545Phone(415) 221-4810
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Michael Walter Weiner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weiner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Weiner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Walter Weiner is one of 1,401 nephrologists in California
Nephrology is Dr. Weiner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Weiner is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Weiner's licenses on file in 2 states: California and Wisconsin.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Wisconsin license
Nephrologists near Dr. Weiner
Counts of nephrologists 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. Michael Walter Weiner's patients have a median age of 89
Across all payers, Dmand AI patient panel data puts Dr. Weiner's median patient age at 89, with 0% women.
Dr. Weiner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 89
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Michael Walter Weiner wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Weiner wrote 35 Medicare Part D claims. 94% of them were for generic drugs.
Dr. Weiner's Part D claims by kind of drug, 2024
- Generic33 claims94%
- Brand-name and other2 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Michael Walter Weiner has 403 publications on record
Dmand AI links 403 papers to Dr. Weiner, published from 2005 to 2025. 2024 was the busiest year, with 35. The most frequent topics are Alzheimer Disease, Magnetic Resonance Imaging and Brain. Dr. Weiner has published most often in Alzheimers Dement. Dr. Weiner's most frequent co-authors are Paul Stephen Aisen, William Jagust, MD and Bruce L. Miller, MD.
Dr. Weiner's papers by year, 2016 to 2025
Topics Dr. Weiner writes about most
- Alzheimer Disease
- Magnetic Resonance Imaging
- Brain
- Magnetic Resonance Spectroscopy
- Neuropsychological Tests
- Cognitive Dysfunction
- Atrophy
- Cognition Disorders
Dr. Weiner's most frequent co-authors
- Paul Stephen Aisen32 shared papers
- William Jagust, MD30 shared papers
- Bruce L. Miller, MD20 shared papers
Recent publications by Dr. Weiner
J Prev Alzheimers Dis
JAMA Netw Open
J Prev Alzheimers Dis
See who Dr. Weiner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weiner works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Walter Weiner received $68,354 in industry payments from 2016 to 2025
CMS Open Payments shows 85 general payments to Dr. Weiner from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 78% of the total. Merck Sharp & Dohme Corporation paid the most, $47,906. It also lists 1 research payment totaling $3,571 in 2021.
General payments to Dr. Weiner by program year, 2016 to 2025
General payments to Dr. Weiner by kind, 2016 to 2025
- Consulting fees$53,01178%
- Travel and lodging$11,31417%
- Food and beverage$2,3283%
- Speaker and faculty fees$1,7002%
Companies that paid Dr. Weiner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Walter Weiner graduated from SUNY Upstate Medical University
Dr. Weiner graduated from SUNY Upstate Medical University in 1965.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Walter Weiner'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Michael Walter Weiner
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. Michael Walter Weiner's NPI number?
Dr. Michael Walter Weiner's NPI number is 1346359502. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Walter Weiner?
Dr. Michael Walter Weiner is a nephrologist in San Francisco, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Michael Walter Weiner practice?
Dr. Weiner practices at 4150 Clement St, San Francisco, CA 94121-1545.
What is Dr. Michael Walter Weiner's office phone number?
The practice phone on file for Dr. Weiner is (415) 221-4810.
What is Dr. Michael Walter Weiner's medical license number?
Dr. Weiner holds California license G28940, one of the licenses on file in 2 states.
Which states has Dr. Michael Walter Weiner been licensed in?
Dmand AI has state licenses on file for Dr. Weiner in California (1975 to 2026) and Wisconsin (1970 to 1974).
Is Dr. Michael Walter Weiner board certified?
Yes. Dr. Weiner is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Michael Walter Weiner go to medical school?
Dr. Weiner graduated from SUNY Upstate Medical University in 1965.
Has Dr. Michael Walter Weiner received payments from drug or device companies?
CMS Open Payments shows $68,354 in general payments to Dr. Weiner from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Michael Walter Weiner been practicing?
Dr. Weiner graduated from medical school in 1965, 61 years ago.
Does Dr. Michael Walter Weiner do research?
Dmand AI links 403 publications to Dr. Weiner, published from 2005 to 2025.
Who does Dr. Michael Walter Weiner publish with?
Dr. Weiner's most frequent co-authors are Paul Stephen Aisen (32 shared papers), William Jagust, MD (30 shared papers) and Bruce L. Miller, MD (20 shared papers).
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