William Whisler, MD
NPI 1790768364 · Family Medicine Physician · Watertown, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Whisler, MD is a Family Medicine Physician provider in Watertown, MN (NPI 1790768364).
Provider details
- NPI number
- 1790768364
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40838 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
540 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 158 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 137 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 79 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $86 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 30 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 244 | 58 |
| Levothyroxine Sodium | 228 | 59 |
| Atorvastatin Calcium | 219 | 63 |
| Amlodipine Besylate | 213 | 63 |
| Losartan Potassium | 181 | 49 |
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 166 | 166 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2019-01-04
Frequently asked questions
- What is William Whisler's NPI number?
- William Whisler's National Provider Identifier (NPI) is 1790768364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Whisler's specialty?
- William Whisler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Whisler located?
- William Whisler's practice location on file with NPPES is 204 Lewis Ave S, Watertown, MN 55388-4500.
- What is William Whisler's phone number?
- The practice phone number listed in the NPPES registry for William Whisler is (952) 955-1963.
- Does William Whisler accept Medicare?
- William Whisler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Whisler's NPI active?
- Yes — William Whisler's NPI (1790768364) is active in the NPPES registry as of the last update on 2019-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.