Dr. Gary Thomas Hemann, DO
- Medicare services, 2022
- 61
- Part D claims, 2020
- 28
- Hospital affiliations
- 1
- Industry payments
- $290
- Medical group
- 1
- Practice address
- 1111 6th Ave, Des Moines, IA 50314
- Practice phone
- Call (515) 247-4436
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hemann'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. Gary Thomas Hemann is an emergency medicine physician in West Des Moines, Iowa
Dr. Hemann practices at MercyOne Des Moines Medical Center in Des Moines, Iowa, part of Trinity Health.
Dr. Hemann's NPI, 1316909369, was assigned on April 5, 2006. Dr. Hemann holds Iowa license 02232.
- NPI
- 1316909369NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Practice phone
- (515) 247-4436
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary Thomas Hemann practices in Des Moines and West Des Moines
Dr. Hemann's primary practice is MercyOne Des Moines Medical Center, at 1111 6th Ave, Des Moines, IA 50314 in Polk County. The practice phone is (515) 247-4436. The NPI Registry lists Dr. Hemann's practice address as 1755 59th Pl, West Des Moines, IA 50266.
- MercyOne Des Moines Medical CenterPrimary1111 6th Ave, Des Moines, IA 50314 · Polk CountyPhone(515) 247-4436
- NPI Registry address1755 59th Pl, West Des Moines, IA 50266 · Polk CountyPhone(515) 247-4445
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Gary Thomas Hemann is affiliated with 1 site of care and 1 medical group
Dr. Hemann's primary practice is MercyOne Des Moines Medical Center in Des Moines, Iowa, part of Trinity Health. The medical group on file is MercyOne Des Moines Medical Center.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary Thomas Hemann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hemann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Des Moines Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary Thomas Hemann is one of 436 emergency medicine physicians in Iowa
Emergency medicine is Dr. Hemann's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Hemann's licenses on file in 2 states: Iowa and Minnesota.
Specialties and state licenses
- Emergency medicine, IowaPrimary
- Minnesota license
Emergency medicine physicians near Dr. Hemann
Counts of emergency 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. Gary Thomas Hemann billed Medicare for 61 services in 2022
CMS data shows 61 Medicare services from Dr. Hemann across 2 procedure codes in 2022. Medicare paid $4,624 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hemann's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 832022: 3163%
- Office and hospital visits
- 2021: 1122022: 3073%
Dr. Hemann compared with the Iowa median for emergency medicine physicians, 2022
- Dr. Hemann
- Iowa median
- Medicare services
- 61vs 23674% below
- Part D claims
- 28vs 6053% below
Medians across 447 emergency medicine physicians in Iowa with Dmand AI profiles that report each measure.
Dr. Hemann's most billed Medicare procedure codes, 2022
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. Hemann and other emergency medicine physicians in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary Thomas Hemann wrote 28 Medicare Part D claims in 2020
In 2020, Dr. Hemann wrote 28 Medicare Part D claims. They cover 2 drugs, with $624 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Hemann's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 112020: 28155%
Drugs named by CMS: 2 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gary Thomas Hemann received $290 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to Dr. Hemann from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $103.
General payments to Dr. Hemann by program year, 2017 to 2021
Companies that paid Dr. Hemann the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gary Thomas Hemann'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (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. Gary Thomas Hemann
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. Gary Thomas Hemann's NPI number?
Dr. Gary Thomas Hemann's NPI number is 1316909369. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Thomas Hemann?
Dr. Gary Thomas Hemann is an emergency medicine physician in West Des Moines, Iowa. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gary Thomas Hemann practice?
Dr. Hemann practices at 1111 6th Ave, Des Moines, IA 50314. Dr. Hemann also practices at 1755 59th Pl, West Des Moines, IA 50266. Dr. Hemann's primary practice is MercyOne Des Moines Medical Center in Des Moines, Iowa, part of Trinity Health.
What is Dr. Gary Thomas Hemann's office phone number?
The practice phone on file for Dr. Hemann is (515) 247-4436.
What is Dr. Gary Thomas Hemann's medical license number?
Dr. Hemann holds Iowa license 02232, one of the licenses on file in 2 states.
Which states has Dr. Gary Thomas Hemann been licensed in?
Dmand AI has state licenses on file for Dr. Hemann in Iowa and Minnesota.
Which hospitals is Dr. Gary Thomas Hemann affiliated with?
Dr. Hemann practices at MercyOne Des Moines Medical Center in Des Moines, Iowa.
What medical group is Dr. Gary Thomas Hemann part of?
Dr. Hemann is linked to MercyOne Des Moines Medical Center.
Does Dr. Gary Thomas Hemann accept Medicare?
Yes. CMS data shows Dr. Hemann billed Medicare for 61 services in 2022.
What services does Dr. Gary Thomas Hemann bill to Medicare?
In 2022, Dr. Hemann's most billed Medicare services were heart test or procedure (93010) and emergency department visit (99285).
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What drugs does Dr. Gary Thomas Hemann prescribe most?
In 2020 Medicare Part D data, Dr. Hemann's most prescribed drugs by claims were Nitrofurantoin Mono-Macro and Fluticasone Propionate.
Has Dr. Gary Thomas Hemann received payments from drug or device companies?
CMS Open Payments shows $290 in general payments to Dr. Hemann from 3 companies from 2017 to 2021. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Gary Thomas Hemann been practicing?
Dr. Hemann's NPI was assigned in 2006.
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