$45,730 in research paymentsAlzheimer DiseaseTauopathiesDonanemab
Dr. Victoria Horstman, MD
NPI1912085226
- Part D claims, 2019
- 44
- Clinical trials
- 2
- Hospital affiliations
- 1
- Industry payments
- $4,355
- Medical group
- 1
- Practice address
- 2601 East Roosevelt Street, Phoenix, AZ 85008
- Practice phone
- Call (602) 344-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Victoria Horstman is an internist in Phoenix, Arizona
Dr. Horstman practices at Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health.
Dr. Horstman's NPI, 1912085226, was assigned on November 2, 2006. Dr. Horstman holds Arizona license 28585.
NPI and contact details
- NPI
- 1912085226NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (602) 344-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Victoria Horstman practices at Valleywise Health Medical Center in Phoenix, Arizona
Dr. Horstman's primary practice is Valleywise Health Medical Center, at 2601 East Roosevelt Street, Phoenix, AZ 85008 in Maricopa County. The practice phone is (602) 344-5011.
- Valleywise Health Medical Center2601 East Roosevelt Street, Phoenix, AZ 85008 · Maricopa CountyPhone(602) 344-5011
Source: Dmand AI Affiliation Data
Dr. Victoria Horstman is affiliated with 3 sites of care and 1 medical group
Dr. Horstman's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. Dmand AI also links Dr. Horstman to 1 dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account.
1 dialysis centerName with a free account1 group practice or clinicName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. HorstmanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Victoria Horstman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horstman practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valleywise Health Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Victoria Horstman is one of 2,420 internists in Arizona
Internal medicine is Dr. Horstman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Horstman is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Horstman
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. Victoria Horstman's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Horstman's median patient age at 64, with 100% women.
Dr. Horstman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Victoria Horstman wrote 44 Medicare Part D claims in 2019
In 2019, Dr. Horstman wrote 44 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $796 in total drug cost. In 2018, CMS named 552 claims across 24 drugs.
Part D claims, 201944
Drugs named by CMS3
Total drug cost$796
Dr. Horstman's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 5522019: 4492%
Drugs named by CMS: 3 in 2019, 24 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Victoria Horstman has worked on 2 clinical trials
Dmand AI links Dr. Horstman to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Alzheimer Disease, COVID-19 and Pneumonia, Viral. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Horstman that name 2 trials.
Conditions in Dr. Horstman's trials
- Alzheimer Disease
- COVID-19
- Pneumonia, Viral
- Tauopathies
Investigators on the most trials with Dr. Horstman
- Jason R. Begue, MD2 shared trials
- Brad C. Lipson, DO2 shared trials
- Rajiv Kumar Aggarwal, MBBS1 shared trial
Recent clinical trials with Dr. Horstman
$13,300 in research paymentsCOVID-19Pneumonia, ViralBamlanivimabEtesevimab
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Victoria Horstman received $4,355 in industry payments from 2016 to 2025
CMS Open Payments shows 93 general payments to Dr. Horstman from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $704. It also lists 5 research payments totaling $59,030 from 2020 to 2023, naming 2 clinical trials.
General payments to Dr. Horstman by program year, 2016 to 2025
Companies that paid Dr. Horstman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Victoria Horstman'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Victoria Horstman
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. Victoria Horstman's NPI number?
Dr. Victoria Horstman's NPI number is 1912085226. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Victoria Horstman?
Dr. Victoria Horstman is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Victoria Horstman practice?
Dr. Horstman practices at 2601 East Roosevelt Street, Phoenix, AZ 85008. Dr. Horstman's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. Dmand AI also links Dr. Horstman to 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Dr. Victoria Horstman's office phone number?
The practice phone on file for Dr. Horstman is (602) 344-5011.
What is Dr. Victoria Horstman's medical license number?
Dr. Horstman holds Arizona license 28585.
Which hospitals is Dr. Victoria Horstman affiliated with?
Dr. Horstman practices at Valleywise Health Medical Center in Phoenix, Arizona.
What drugs does Dr. Victoria Horstman prescribe most?
In 2019 Medicare Part D data, Dr. Horstman's most prescribed drugs by claims were Omeprazole, Atorvastatin Calcium and Trazodone HCl.
Has Dr. Victoria Horstman received payments from drug or device companies?
CMS Open Payments shows $4,355 in general payments to Dr. Horstman from 21 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Victoria Horstman been practicing?
Dr. Horstman's NPI was assigned in 2006.
Does Dr. Victoria Horstman do research?
Dr. Horstman has worked on 2 clinical trials.
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