Dr. Holger G. Gassner, MD
- Industry payments
- $130
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 200 1st St Sw, Rochester, MN 55905-0001
- Practice phone
- Call (507) 284-2511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gassner'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. Holger G. Gassner is an otolaryngologist in Rochester, Minnesota
Dr. Gassner practices in Rochester, Minnesota.
Dr. Gassner's NPI, 1386621522, was assigned on December 29, 2005. Dr. Gassner holds Minnesota license 45716.
- NPI
- 1386621522NPI Registry (opens in a new tab)
- NPI enumeration date
- December 29, 2005
- NPI status
- Active
- Practice phone
- (507) 284-2511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Holger G. Gassner's practice address is in Rochester, Minnesota
Dr. Gassner's practice address in the NPI Registry is 200 1st St Sw, Rochester, MN 55905-0001. The practice phone is (507) 284-2511.
- NPI Registry address200 1st St Sw, Rochester, MN 55905-0001Phone(507) 284-2511
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Holger G. Gassner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gassner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Gassner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Holger G. Gassner is one of 193 otolaryngologists in Minnesota
Otolaryngology is Dr. Gassner's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Gassner is licensed in Minnesota.
Specialties and state licenses
- Otolaryngology, MinnesotaPrimary
Otolaryngologists near Dr. Gassner
Counts of otolaryngologists 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. Holger G. Gassner received $130 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Gassner from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $130.
Companies that paid Dr. Gassner the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Holger G. Gassner'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 |
| 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. Holger G. Gassner
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. Holger G. Gassner's NPI number?
Dr. Holger G. Gassner's NPI number is 1386621522. It was assigned on December 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Holger G. Gassner?
Dr. Holger G. Gassner is an otolaryngologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Holger G. Gassner practice?
Dr. Gassner practices at 200 1st St Sw, Rochester, MN 55905-0001.
What is Dr. Holger G. Gassner's office phone number?
The practice phone on file for Dr. Gassner is (507) 284-2511.
What is Dr. Holger G. Gassner's medical license number?
Dr. Gassner holds Minnesota license 45716.
Has Dr. Holger G. Gassner received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Dr. Gassner from 1 company from 2024 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Holger G. Gassner been practicing?
Dr. Gassner's NPI was assigned in 2005.
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