William Calkins, M.D.
NPI 1508809658 · General Practice Physician · Westby, WI
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Calkins, M.D. is a General Practice Physician provider in Westby, WI (NPI 1508809658).
Provider details
- NPI number
- 1508809658
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21970 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 418 | 59 |
| Omeprazole | 413 | 36 |
| Furosemide | 387 | 27 |
| Lisinopril | 381 | 45 |
| Levothyroxine Sodium | 353 | 31 |
| Atorvastatin Calcium | 337 | 40 |
| Amlodipine Besylate | 314 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2010-06-30
Frequently asked questions
- What is William Calkins's NPI number?
- William Calkins's National Provider Identifier (NPI) is 1508809658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Calkins's specialty?
- William Calkins is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Calkins located?
- William Calkins's practice location on file with NPPES is 100 Melby St, Westby, WI 54667.
- What is William Calkins's phone number?
- The practice phone number listed in the NPPES registry for William Calkins is (608) 637-4230.
- Does William Calkins accept Medicare?
- William Calkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Calkins's NPI active?
- Yes — William Calkins's NPI (1508809658) is active in the NPPES registry as of the last update on 2010-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.