Dr. Grant Matthew Wiswell, DDS, MD
- Part D claims, 2024
- 1,795
- Hospital affiliations
- 1
- Industry payments
- $568
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 500 W Broadway, Missoula, MT 59802
- Practice phone
- Call (406) 543-7271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wiswell'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. Grant Matthew Wiswell is a dentist in Missoula, Montana
Dr. Wiswell practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Dr. Wiswell's NPI, 1497917132, was assigned on June 25, 2008. Dr. Wiswell holds Montana license 2433.
- NPI
- 1497917132NPI Registry (opens in a new tab)
- NPI enumeration date
- June 25, 2008
- NPI status
- Active
- Practice phone
- (406) 543-7271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Grant Matthew Wiswell practices at Providence St. Patrick Hospital in Missoula, Montana
Dr. Wiswell's primary practice is Providence St. Patrick Hospital, at 500 W Broadway, Missoula, MT 59802 in Missoula County. The practice phone is (406) 543-7271.
- Providence St. Patrick Hospital500 W Broadway, Missoula, MT 59802 · Missoula CountyPhone(406) 543-7271
Source: Dmand AI Affiliation Data
Dr. Grant Matthew Wiswell is affiliated with 1 site of care
Dr. Wiswell's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grant Matthew Wiswell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wiswell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Patrick Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Grant Matthew Wiswell is one of 98 dentists in Montana
Dentist is Dr. Wiswell's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dr. Wiswell is licensed in Montana.
Specialties and state licenses
- Dentist, MontanaPrimary
Dentists near Dr. Wiswell
Counts of dentists 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. Grant Matthew Wiswell's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Wiswell's median patient age at 37, with 50% women.
Dr. Wiswell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Grant Matthew Wiswell wrote 1,795 Medicare Part D claims in 2024
In 2024, Dr. Wiswell wrote 1,795 Medicare Part D claims for 436 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Dr. Wiswell's Part D claims, 2024
- Opioids22%400 of 1,795 claims
- Antibiotics28%503 of 1,795 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Grant Matthew Wiswell received $568 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Wiswell from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 91% of the total. Straumann USA LLC paid the most, $568.
General payments to Dr. Wiswell by kind, 2025 to 2025
- Speaker and faculty fees$51891%
- Food and beverage$509%
Companies that paid Dr. Wiswell the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Grant Matthew Wiswell'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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. Grant Matthew Wiswell
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. Grant Matthew Wiswell's NPI number?
Dr. Grant Matthew Wiswell's NPI number is 1497917132. It was assigned on June 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant Matthew Wiswell?
Dr. Grant Matthew Wiswell is a dentist in Missoula, Montana. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Dr. Grant Matthew Wiswell practice?
Dr. Wiswell practices at 500 W Broadway, Missoula, MT 59802. Dr. Wiswell's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
What is Dr. Grant Matthew Wiswell's office phone number?
The practice phone on file for Dr. Wiswell is (406) 543-7271.
What is Dr. Grant Matthew Wiswell's medical license number?
Dr. Wiswell holds Montana license 2433.
Which hospitals is Dr. Grant Matthew Wiswell affiliated with?
Dr. Wiswell practices at Providence St. Patrick Hospital in Missoula, Montana.
Has Dr. Grant Matthew Wiswell received payments from drug or device companies?
CMS Open Payments shows $568 in general payments to Dr. Wiswell from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Dr. Grant Matthew Wiswell been practicing?
Dr. Wiswell's NPI was assigned in 2008.
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