Grant Wiswell, MD, DDS
NPI 1497917132 · Dentist · Missoula, MT
Grant Wiswell, MD, DDS is a Dentist provider in Missoula, MT (NPI 1497917132).
Provider details
- NPI number
- 1497917132
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- MD, DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12707 (MT)
Specialties & taxonomies
Dental Providers
Allopathic & Osteopathic Physicians
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Chlorhexidine Gluconate | 582 | 408 |
| Amoxicillin | 296 | 249 |
| Ibuprofen | 280 | 244 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 171 | 151 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 155 | 140 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 118 | 91 |
| Clindamycin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$128 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-25
- Last updated
- 2025-10-07
- Certified
- 2025-10-07
Frequently asked questions
- What is Grant Wiswell's NPI number?
- Grant Wiswell's National Provider Identifier (NPI) is 1497917132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Wiswell's specialty?
- Grant Wiswell is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Grant Wiswell located?
- Grant Wiswell's practice location on file with NPPES is 3020 S Reserve St Ste C, Missoula, MT 59801-7652.
- What is Grant Wiswell's phone number?
- The practice phone number listed in the NPPES registry for Grant Wiswell is (406) 541-2180.
- Is Grant Wiswell's NPI active?
- Yes — Grant Wiswell's NPI (1497917132) is active in the NPPES registry as of the last update on 2025-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.