Brain Imaging Behav
AtrophyCaudate NucleusCost of Illness
Dr. Joseph Nikola Winer, MD
NPI1295819274PAC ID5799971594
- Part D claims, 2024
- 3,731
- Publications
- 1
- Clinical trials
- 1
- Hospital affiliations
- 2
- Industry payments
- $28
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Winer'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. Joseph Nikola Winer is a psychiatrist in Vallejo, California
Dr. Winer practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Winer's NPI, 1295819274, was assigned on October 25, 2006. Dr. Winer graduated from University Of Kentucky College Of Medicine in 1985. Dr. Winer holds California license G60471.
NPI and contact details
- NPI
- 1295819274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799971594
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Nikola Winer practices at Vallejo Medical Center in Vallejo, California
Dr. Winer's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Joseph Nikola Winer is affiliated with 4 sites of care and 1 medical group
Dr. Winer's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Winer is also affiliated with San Rafael Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Winer to 1 more home health agency and 1 hospice, each named with a free account.
San Rafael Medical CenterThe Permanente Medical Group, Inc.1 home health agencyName with a free account1 hospiceName with a free account
See all 5 affiliations for Dr. WinerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Nikola Winer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Winer practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Nikola Winer is one of 6,803 psychiatrists in California
Psychiatry is Dr. Winer's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Winer is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Winer is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists schizophrenia among the conditions Dr. Winer treats.
Psychiatrists near Dr. Winer
Counts of psychiatrists 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. Joseph Nikola Winer's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Winer's median patient age at 52, with 62% women.
Dr. Winer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Joseph Nikola Winer wrote 3,731 Medicare Part D claims in 2024
In 2024, Dr. Winer wrote 3,731 Medicare Part D claims for 446 patients. 97% of them were for generic drugs. CMS names the drug for 3,602 of them, across 42 drugs with 11 or more claims each, at $73,725 in total drug cost. In 2023, CMS named 3,706 claims across 41 drugs.
Part D claims, 20243,731
Drugs named by CMS42
Total drug cost$73,725
Part D patients446
Dr. Winer's Part D claims by kind of drug, 2024
- Generic3,637 claims97%
- Brand-name94 claims3%
Dr. Winer'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. Winer's Part D claims, 2024
- Antipsychotics, patients 65 and over3%127 of 3,731 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: 3,7062024: 3,6023%
Drugs named by CMS: 42 in 2024, 41 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
How Dr. Joseph Nikola Winer takes part in Medicare
Dr. Winer 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
Find psychiatrists like Dr. Winer by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Joseph Nikola Winer has 1 publication on record
Dmand AI links 1 paper to Dr. Winer. Dr. Winer's most frequent co-authors are Michael D. Geschwind, MD, PhD and Christopher Paul Hess, MD, PhD.
Papers1
Dr. Winer's most frequent co-authors
Recent publications by Dr. Winer
See who Dr. Winer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Winer works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joseph Nikola Winer has worked on 1 clinical trial
Dmand AI links Dr. Winer to 1 clinical trial. Conditions studied include Machado-Joseph Disease and Spinocerebellar Ataxias.
Conditions in Dr. Winer's trials
- Machado-Joseph Disease
- Spinocerebellar Ataxias
Investigators on the most trials with Dr. Winer
- Tetsuo Ashizawa, MD1 shared trial
- Michael D. Geschwind, MD, PhD1 shared trial
- Susan Lee Perlman, MD1 shared trial
Recent clinical trials with Dr. Winer
Natural History Study of and Genetic Modifiers in Spinocerebellar Ataxias (opens in a new tab)
Status unknown
Machado-Joseph DiseaseSpinocerebellar AtaxiasAll Participants
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Joseph Nikola Winer received $28 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Winer from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Pernix Therapeutics Holdings, Inc. paid the most, $28.
Companies that paid Dr. Winer the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Nikola Winer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Winer, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Winer
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Joseph Nikola Winer graduated from University Of Kentucky College Of Medicine
Dr. Winer graduated from University Of Kentucky College Of Medicine in 1985.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Joseph Nikola Winer accepts plans from 2 insurance carriers
Dr. Winer is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Winer accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph Nikola Winer'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Joseph Nikola Winer
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. Joseph Nikola Winer's NPI number?
Dr. Joseph Nikola Winer's NPI number is 1295819274. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Nikola Winer?
Dr. Joseph Nikola Winer is a psychiatrist in Vallejo, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Joseph Nikola Winer practice?
Dr. Winer practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Winer's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Winer to 1 home health agency and 1 hospice.
What is Dr. Joseph Nikola Winer's office phone number?
The practice phone on file for Dr. Winer is (707) 651-1000.
What is Dr. Joseph Nikola Winer's medical license number?
Dr. Winer holds California license G60471.
Which hospitals is Dr. Joseph Nikola Winer affiliated with?
Dr. Winer practices at Vallejo Medical Center in Vallejo, California. Dr. Winer is also affiliated with San Rafael Medical Center.
What medical group is Dr. Joseph Nikola Winer part of?
Dr. Winer is linked to The Permanente Medical Group, Inc.
Does Dr. Joseph Nikola Winer accept Medicare?
Yes. CMS lists Dr. Winer as accepting Medicare assignment.
Is Dr. Joseph Nikola Winer board certified?
Yes. Dr. Winer is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Joseph Nikola Winer go to medical school?
Dr. Winer graduated from University Of Kentucky College Of Medicine in 1985.
Show 6 more questionsShow fewer questions
What drugs does Dr. Joseph Nikola Winer prescribe most?
In 2024 Medicare Part D data, Dr. Winer's most prescribed drugs by claims were Lorazepam, Gabapentin and Clonazepam.
Has Dr. Joseph Nikola Winer received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Winer from 1 company from 2016 to 2016. The largest total came from Pernix Therapeutics Holdings, Inc.
How long has Dr. Joseph Nikola Winer been practicing?
Dr. Winer graduated from medical school in 1985, 41 years ago.
Does Dr. Joseph Nikola Winer do research?
Dmand AI links 1 publication to Dr. Winer. Dr. Winer has worked on 1 clinical trial.
Who does Dr. Joseph Nikola Winer publish with?
Dr. Winer's most frequent co-authors are Michael D. Geschwind, MD, PhD (1 shared paper) and Christopher Paul Hess, MD, PhD (1 shared paper).
What insurance does Dr. Joseph Nikola Winer accept?
Dr. Winer is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card