Dr. Thomas Eugene Horst, MD
- Medicare services, 2018
- 94
- Part D claims, 2024
- 542
- Industry payments
- $25
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 410 Malacate Street, Ajo, AZ 85321
- Practice phone
- Call (520) 387-5651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Desert Senita Community Health Center - Ajo (Malacate St)
FQHC - Main Site · Ajo, Arizona
Find Dr. Horst'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. Thomas Eugene Horst is a family medicine physician in Ajo, Arizona
Dr. Horst practices at Desert Senita Community Health Center - Ajo (Malacate St) in Ajo, Arizona.
Dr. Horst's NPI, 1871642082, was assigned on January 9, 2007. Dr. Horst graduated from University of Washington School of Medicine in 1979. Dr. Horst holds Arizona license 51196.
- NPI
- 1871642082NPI Registry (opens in a new tab)
- NPI enumeration date
- January 9, 2007
- NPI status
- Active
- Practice phone
- (520) 387-5651
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas Eugene Horst practices at Desert Senita Community Health Center - Ajo (Malacate St) in Ajo, Arizona
Dr. Horst's primary practice is Desert Senita Community Health Center - Ajo (Malacate St), at 410 Malacate Street, Ajo, AZ 85321 in Pima County. The practice phone is (520) 387-5651.
- Desert Senita Community Health Center - Ajo (Malacate St)410 Malacate Street, Ajo, AZ 85321 · Pima CountyPhone(520) 387-5651
Source: Dmand AI Affiliation Data
Dr. Thomas Eugene Horst is affiliated with 2 sites of care and 2 medical groups
Dr. Horst's primary practice is Desert Senita Community Health Center - Ajo (Malacate St) in Ajo, Arizona. The medical group on file is Desert Senita Community Health Center. Dmand AI also links Dr. Horst to 1 more behavioral health center and 1 medical group, each named with a free account. Dr. Horst's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Eugene Horst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horst practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Desert Senita Community Health Center - Ajo (Malacate St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Eugene Horst is one of 2,549 family medicine physicians in Arizona
Family medicine is Dr. Horst's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Horst's licenses on file in 2 states: Arizona and Washington.
Specialties and state licenses
- Family medicine, ArizonaPrimary
- Washington license
Family medicine physicians near Dr. Horst
Counts of family medicine physicians 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. Thomas Eugene Horst billed Medicare for 94 services in 2018
CMS data shows 94 Medicare services from Dr. Horst across 2 procedure codes in 2018, all of them office visits. Medicare paid $5,435 for them. Every service was in an office.
Dr. Horst's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1782018: 9447%
- Lab and pathology
- 2017: 312018: 0100%
- Surgery
- 2017: 142018: 0100%
Dr. Horst compared with the Arizona median for family medicine physicians, 2018
- Dr. Horst
- Arizona median
- Medicare services
- 94vs 33072% below
- Part D claims
- 219vs 68268% below
Medians across 2,480 family medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Horst's most billed Medicare procedure codes, 2018
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horst and other family medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Eugene Horst's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Horst's median patient age at 74, with 52% women.
Dr. Horst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Thomas Eugene Horst wrote 542 Medicare Part D claims in 2024
In 2024, Dr. Horst wrote 542 Medicare Part D claims for 138 patients. 81% of them were for generic drugs. CMS names the drug for 219 of them, across 14 drugs with 11 or more claims each, at $3,710 in total drug cost. In 2023, CMS named 432 claims across 23 drugs.
Dr. Horst's Part D claims by kind of drug, 2024
- Generic437 claims81%
- Brand-name93 claims17%
- Other12 claims2%
Dr. Horst'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. Horst's Part D claims, 2024
- Opioids10%52 of 542 claims
- Antibiotics6%30 of 542 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: 4322024: 21949%
Drugs named by CMS: 14 in 2024, 23 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. Thomas Eugene Horst received $25 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Horst from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $25.
Companies that paid Dr. Horst the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Eugene Horst graduated from University of Washington School of Medicine
Dr. Horst graduated from University of Washington School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Eugene Horst'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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. Thomas Eugene Horst
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. Thomas Eugene Horst's NPI number?
Dr. Thomas Eugene Horst's NPI number is 1871642082. It was assigned on January 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Eugene Horst?
Dr. Thomas Eugene Horst is a family medicine physician in Ajo, Arizona. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Thomas Eugene Horst practice?
Dr. Horst practices at 410 Malacate Street, Ajo, AZ 85321. Dr. Horst's primary practice is Desert Senita Community Health Center - Ajo (Malacate St) in Ajo, Arizona. Dmand AI also links Dr. Horst to 1 behavioral health center and 1 medical group.
What is Dr. Thomas Eugene Horst's office phone number?
The practice phone on file for Dr. Horst is (520) 387-5651.
What is Dr. Thomas Eugene Horst's medical license number?
Dr. Horst holds Arizona license 51196, one of the licenses on file in 2 states.
Which states has Dr. Thomas Eugene Horst been licensed in?
Dmand AI has state licenses on file for Dr. Horst in Arizona and Washington.
What medical group is Dr. Thomas Eugene Horst part of?
Dr. Horst is linked to Desert Senita Community Health Center. Dmand AI links Dr. Horst to 1 more medical group.
Does Dr. Thomas Eugene Horst accept Medicare?
Yes. CMS data shows Dr. Horst billed Medicare for 94 services in 2018.
What services does Dr. Thomas Eugene Horst bill to Medicare?
In 2018, Dr. Horst's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Thomas Eugene Horst go to medical school?
Dr. Horst graduated from University of Washington School of Medicine in 1979.
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What drugs does Dr. Thomas Eugene Horst prescribe most?
In 2024 Medicare Part D data, Dr. Horst's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Lisinopril and Levothyroxine Sodium.
Has Dr. Thomas Eugene Horst received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Horst from 1 company from 2017 to 2017. The largest total came from Allergan Inc.
How long has Dr. Thomas Eugene Horst been practicing?
Dr. Horst graduated from medical school in 1979, 47 years ago.
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