Dr. William Bryce Gammeter, MD
- Part D claims, 2021
- 72
- Publications
- 1
- Industry payments
- $651
- Affiliated sites
- 3
- Medical group
- 1
- Practice address
- 4400 W 69th St, Sioux Falls, SD 57108
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Avera Behavioral Health - Partial Hospital Program - HOPD
Acute Care Hospital outpatient department · Sioux Falls, South Dakota
Find Dr. Gammeter'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. William Bryce Gammeter is a child and adolescent psychiatrist in Sioux Falls, South Dakota
Dr. Gammeter practices at Avera Behavioral Health - Partial Hospital Program - HOPD in Sioux Falls, South Dakota.
Dr. Gammeter's NPI, 1467642165, was assigned on July 28, 2007. Dr. Gammeter graduated from Sanford School of Medicine of University of South Dakota in 2006. Dr. Gammeter holds South Dakota license 8265.
- NPI
- 1467642165NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Bryce Gammeter practices at Avera Behavioral Health - Partial Hospital Program - HOPD in Sioux Falls, South Dakota
Dr. Gammeter's primary practice is Avera Behavioral Health - Partial Hospital Program - HOPD, at 4400 W 69th St, Sioux Falls, SD 57108.
- Avera Behavioral Health - Partial Hospital Program - HOPD4400 W 69th St, Sioux Falls, SD 57108
Source: Dmand AI Affiliation Data
Dr. William Bryce Gammeter is affiliated with 3 sites of care and 1 medical group
Dr. Gammeter's primary practice is Avera Behavioral Health - Partial Hospital Program - HOPD in Sioux Falls, South Dakota. The medical group on file is Avera McKennan Hospital & University Health Center. Dmand AI also links Dr. Gammeter to 1 more behavioral health center and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Bryce Gammeter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gammeter practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Avera Behavioral Health - Partial Hospital Program - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Bryce Gammeter is one of 13 childs and adolescent psychiatrists in South Dakota
Child and adolescent psychiatry is Dr. Gammeter's primary specialty in the NPI Registry, under taxonomy code 2084P0804X. Dr. Gammeter is licensed in South Dakota.
Specialties and state licenses
- Child and adolescent psychiatry, South DakotaPrimary
Childs and adolescent psychiatrists near Dr. Gammeter
Counts of childs and adolescent psychiatrists 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. William Bryce Gammeter's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Gammeter's median patient age at 15, with 64% women.
Dr. Gammeter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. William Bryce Gammeter wrote 72 Medicare Part D claims in 2021
In 2021, Dr. Gammeter wrote 72 Medicare Part D claims. They cover 6 drugs, with $1,962 in total drug cost. In 2020, CMS named 86 claims across 7 drugs.
Dr. Gammeter's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 862021: 7216%
Drugs named by CMS: 6 in 2021, 7 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. William Bryce Gammeter has 1 publication on record
Dmand AI links 1 paper to Dr. Gammeter. Dr. Gammeter's most frequent co-author is Timothy James Soundy, MD.
Dr. Gammeter's most frequent co-authors
Recent publications by Dr. Gammeter
See who Dr. Gammeter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gammeter works with, so you can find a warm path to the right childs and adolescent psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Bryce Gammeter received $651 in industry payments from 2023 to 2025
CMS Open Payments shows 28 general payments to Dr. Gammeter from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Corium, LLC paid the most, $242.
General payments to Dr. Gammeter by program year, 2023 to 2025
Companies that paid Dr. Gammeter the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Bryce Gammeter graduated from Sanford School of Medicine of University of South Dakota
Dr. Gammeter graduated from Sanford School of Medicine of University of South Dakota in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Bryce Gammeter'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. William Bryce Gammeter
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. William Bryce Gammeter's NPI number?
Dr. William Bryce Gammeter's NPI number is 1467642165. It was assigned on July 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William Bryce Gammeter?
Dr. William Bryce Gammeter is a child and adolescent psychiatrist in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Child & Adolescent Psychiatry Physician (taxonomy code 2084P0804X).
Where does Dr. William Bryce Gammeter practice?
Dr. Gammeter practices at 4400 W 69th St, Sioux Falls, SD 57108. Dr. Gammeter's primary practice is Avera Behavioral Health - Partial Hospital Program - HOPD in Sioux Falls, South Dakota. Dmand AI also links Dr. Gammeter to 1 behavioral health center and 1 group practice or clinic.
What is Dr. William Bryce Gammeter's medical license number?
Dr. Gammeter holds South Dakota license 8265.
What medical group is Dr. William Bryce Gammeter part of?
Dr. Gammeter is linked to Avera McKennan Hospital & University Health Center.
Where did Dr. William Bryce Gammeter go to medical school?
Dr. Gammeter graduated from Sanford School of Medicine of University of South Dakota in 2006.
What drugs does Dr. William Bryce Gammeter prescribe most?
In 2021 Medicare Part D data, Dr. Gammeter's most prescribed drugs by claims were Divalproex Sodium ER, Guanfacine HCl and Imipramine HCl.
Has Dr. William Bryce Gammeter received payments from drug or device companies?
CMS Open Payments shows $651 in general payments to Dr. Gammeter from 9 companies from 2023 to 2025. The largest total came from Corium, LLC.
How long has Dr. William Bryce Gammeter been practicing?
Dr. Gammeter graduated from medical school in 2006, 20 years ago.
Does Dr. William Bryce Gammeter do research?
Dmand AI links 1 publication to Dr. Gammeter.
Who does Dr. William Bryce Gammeter publish with?
Dr. Gammeter's most frequent co-authors are Timothy James Soundy, MD (1 shared paper).
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