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Dr. Harry Gwirtsman, MD
NPI1801995238
- Medicare services, 2020
- 195
- Part D claims, 2021
- 241
- Publications
- 6
- Clinical trials
- 1
- Industry payments
- $783
- Practice address
- 1310 24th S Ave, Nashville, TN 37212
- Practice phone
- Call (615) 355-3451
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tennessee Valley Healthcare System - Nashville
Nashville, Tennessee
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Dr. Harry Gwirtsman is a geriatric psychiatry physician in Nashville, Tennessee
Dr. Gwirtsman practices at Tennessee Valley Healthcare System - Nashville in Nashville, Tennessee.
Dr. Gwirtsman's NPI, 1801995238, was assigned on September 22, 2006. Dr. Gwirtsman holds Tennessee license MD26317.
NPI and contact details
- NPI
- 1801995238NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Practice phone
- (615) 355-3451
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Harry Gwirtsman practices at Tennessee Valley Healthcare System - Nashville in Nashville, Tennessee
Dr. Gwirtsman's primary practice is Tennessee Valley Healthcare System - Nashville, at 1310 24th S Ave, Nashville, TN 37212 in Davidson County. The practice phone is (615) 355-3451.
- Tennessee Valley Healthcare System - Nashville1310 24th S Ave, Nashville, TN 37212 · Davidson CountyPhone(615) 355-3451
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Harry Gwirtsman is affiliated with 2 sites of care and 1 medical group
Dr. Gwirtsman's primary practice is Tennessee Valley Healthcare System - Nashville in Nashville, Tennessee. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Gwirtsman to 1 more group practice or clinic, named with a free account.
Tennessee Valley Healthcare System - NashvillePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Harry Gwirtsman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gwirtsman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tennessee Valley Healthcare System - Nashville | 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. Harry Gwirtsman is one of 4 geriatric psychiatry physicians in Tennessee
Geriatric psychiatry is Dr. Gwirtsman's primary specialty in the NPI Registry, under taxonomy code 2084P0805X. Dr. Gwirtsman is licensed in Tennessee.
Specialties and state licenses
- Geriatric psychiatry, TennesseePrimary
Geriatric psychiatry physicians near Dr. Gwirtsman
Counts of geriatric psychiatry physicians with a Dmand AI profile, by place and practice. Each opens the list.
4geriatric psychiatry physicians in Tennessee
3geriatric psychiatry physicians in Nashville
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Harry Gwirtsman billed Medicare for 195 services in 2020
CMS data shows 195 Medicare services from Dr. Gwirtsman across 3 procedure codes in 2020. Medicare paid $11,400 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2020195
Paid by Medicare$11,400
Procedure codes3
Dr. Gwirtsman's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1302020: 9924%
- Tests and treatments
- 2019: 1232020: 9622%
Dr. Gwirtsman's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Harry Gwirtsman wrote 241 Medicare Part D claims in 2021
In 2021, Dr. Gwirtsman wrote 241 Medicare Part D claims. They cover 13 drugs, with $25,418 in total drug cost. In 2020, CMS named 1,118 claims across 33 drugs.
Part D claims, 2021241
Drugs named by CMS13
Total drug cost$25,418
Dr. Gwirtsman's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1,1182021: 24178%
Drugs named by CMS: 13 in 2021, 33 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Harry Gwirtsman has 6 publications on record
Dmand AI links 6 papers to Dr. Gwirtsman, published from 2013 to 2023. The most frequent topics are Alzheimer Disease, Brain and Amyloid beta-Peptides. Dr. Gwirtsman's most frequent co-authors are Richard Mayeux, MD, Eric M. Reiman, MD and Julie A. Schneider, MD.
Papers6
Years published2013 to 2023
Dr. Gwirtsman's papers by year, 2013 to 2023
Topics Dr. Gwirtsman writes about most
- Alzheimer Disease
- Brain
- Amyloid beta-Peptides
- Genetic Predisposition to Disease
- Positron-Emission Tomography
- tau Proteins
- Veterans
Dr. Gwirtsman's most frequent co-authors
- Richard Mayeux, MD2 shared papers
- Eric M. Reiman, MD2 shared papers
- Julie A. Schneider, MD2 shared papers
Recent publications by Dr. Gwirtsman
AllelesAlzheimer DiseaseApolipoprotein E2
AgingAlzheimer DiseaseAmyloid beta-Peptides
Alzheimer DiseaseATP-Binding Cassette TransportersATP Binding Cassette Transporter, Subfamily G, Member 1
J Gerontol Nurs
InpatientsLong-Term CareMental Disorders
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Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gwirtsman works with, so you can find a warm path to the right geriatric psychiatry physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Harry Gwirtsman has worked on 1 clinical trial
Dmand AI links Dr. Gwirtsman to 1 clinical trial. Conditions studied include Memory Disorders and Alzheimer Disease.
Conditions in Dr. Gwirtsman's trials
- Memory Disorders
- Alzheimer Disease
Recent clinical trials with Dr. Gwirtsman
Efficacy of Donepezil in Normalizing Brain Activation Patterns in People Genetically at Risk for Alzheimer's Disease (opens in a new tab)
CompletedPhase 1
Memory DisordersAlzheimer DiseaseDonepezil
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Harry Gwirtsman received $783 in industry payments from 2016 to 2022
CMS Open Payments shows 8 general payments to Dr. Gwirtsman from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $640.
General payments to Dr. Gwirtsman by program year, 2016 to 2022
Companies that paid Dr. Gwirtsman the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Harry Gwirtsman'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Harry Gwirtsman
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. Harry Gwirtsman's NPI number?
Dr. Harry Gwirtsman's NPI number is 1801995238. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harry Gwirtsman?
Dr. Harry Gwirtsman is a geriatric psychiatry physician in Nashville, Tennessee. The primary specialty in the NPI Registry is Geriatric Psychiatry Physician (taxonomy code 2084P0805X).
Where does Dr. Harry Gwirtsman practice?
Dr. Gwirtsman practices at 1310 24th S Ave, Nashville, TN 37212. Dr. Gwirtsman's primary practice is Tennessee Valley Healthcare System - Nashville in Nashville, Tennessee. Dmand AI also links Dr. Gwirtsman to 1 group practice or clinic.
What is Dr. Harry Gwirtsman's office phone number?
The practice phone on file for Dr. Gwirtsman is (615) 355-3451.
What is Dr. Harry Gwirtsman's medical license number?
Dr. Gwirtsman holds Tennessee license MD26317.
What medical group is Dr. Harry Gwirtsman part of?
Dr. Gwirtsman is linked to Vanderbilt University Medical Center.
Does Dr. Harry Gwirtsman accept Medicare?
Yes. CMS data shows Dr. Gwirtsman billed Medicare for 195 services in 2020.
What services does Dr. Harry Gwirtsman bill to Medicare?
In 2020, Dr. Gwirtsman's most billed Medicare services were office visit, established patient (99214), psychiatric service (90836) and psychiatric service (90847).
What drugs does Dr. Harry Gwirtsman prescribe most?
In 2021 Medicare Part D data, Dr. Gwirtsman's most prescribed drugs by claims were Trazodone HCl, Mirtazapine and Quetiapine Fumarate.
Has Dr. Harry Gwirtsman received payments from drug or device companies?
CMS Open Payments shows $783 in general payments to Dr. Gwirtsman from 3 companies from 2016 to 2022. The largest total came from Sunovion Pharmaceuticals Inc.
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How long has Dr. Harry Gwirtsman been practicing?
Dr. Gwirtsman's NPI was assigned in 2006.
Does Dr. Harry Gwirtsman do research?
Dmand AI links 6 publications to Dr. Gwirtsman, published from 2013 to 2023. Dr. Gwirtsman has worked on 1 clinical trial.
Who does Dr. Harry Gwirtsman publish with?
Dr. Gwirtsman's most frequent co-authors are Richard Mayeux, MD (2 shared papers), Eric M. Reiman, MD (2 shared papers) and Julie A. Schneider, MD (2 shared papers).
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