Dr. Gayle Hamann, DO
- Industry payments
- $37
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 4713 Papermill Dr, Knoxville, TN 37909
- Practice phone
- Call (865) 851-7771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Edmunds Gastroenterology
Knoxville, Tennessee
Find Dr. Hamann'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. Gayle Hamann is a general practice physician in Knoxville, Tennessee
Dr. Hamann practices at Edmunds Gastroenterology in Knoxville, Tennessee.
Dr. Hamann's NPI, 1588807689, was assigned on April 20, 2009. Dr. Hamann holds Tennessee license DO0000003439.
- NPI
- 1588807689NPI Registry (opens in a new tab)
- NPI enumeration date
- April 20, 2009
- NPI status
- Active
- Practice phone
- (865) 851-7771
- 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 Practice Data
Dr. Gayle Hamann practices at Edmunds Gastroenterology in Knoxville, Tennessee
Dr. Hamann's primary practice is Edmunds Gastroenterology, at 4713 Papermill Dr, Knoxville, TN 37909 in Knox County. The practice phone is (865) 851-7771.
- Edmunds Gastroenterology4713 Papermill Dr, Knoxville, TN 37909 · Knox CountyPhone(865) 851-7771
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gayle Hamann is affiliated with 2 sites of care
Dr. Hamann's primary practice is Edmunds Gastroenterology in Knoxville, Tennessee. Dmand AI also links Dr. Hamann to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gayle Hamann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Edmunds Gastroenterology | 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. Gayle Hamann is one of 109 general practice physicians in Tennessee
General practice is Dr. Hamann's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Hamann's licenses on file in 2 states: Tennessee and Washington.
Specialties and state licenses
- General practice, TennesseePrimary
- Washington license
General practice physicians near Dr. Hamann
Counts of general practice 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. Gayle Hamann's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Hamann's median patient age at 50, with 76% women.
Dr. Hamann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women76%
- Men21%
Source: Dmand AI Patient Panel Data
Dr. Gayle Hamann received $37 in industry payments from 2016 to 2025
CMS Open Payments shows 2 general payments to Dr. Hamann from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Radius Health, Inc. paid the most, $21.
General payments to Dr. Hamann by program year, 2016 to 2025
Companies that paid Dr. Hamann 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. Gayle Hamann'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 patients and the all-payer patient panel | Dmand AI Patient Panel 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. Gayle Hamann
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. Gayle Hamann's NPI number?
Dr. Gayle Hamann's NPI number is 1588807689. It was assigned on April 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Gayle Hamann?
Dr. Gayle Hamann is a general practice physician in Knoxville, Tennessee. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Gayle Hamann practice?
Dr. Hamann practices at 4713 Papermill Dr, Knoxville, TN 37909. Dr. Hamann's primary practice is Edmunds Gastroenterology in Knoxville, Tennessee. Dmand AI also links Dr. Hamann to 1 physician office.
What is Dr. Gayle Hamann's office phone number?
The practice phone on file for Dr. Hamann is (865) 851-7771.
What is Dr. Gayle Hamann's medical license number?
Dr. Hamann holds Tennessee license DO0000003439, one of the licenses on file in 2 states.
Which states has Dr. Gayle Hamann been licensed in?
Dmand AI has state licenses on file for Dr. Hamann in Tennessee and Washington.
Has Dr. Gayle Hamann received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Hamann from 2 companies from 2016 to 2025. The largest total came from Radius Health, Inc.
How long has Dr. Gayle Hamann been practicing?
Dr. Hamann's NPI was assigned in 2009.
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