William Collins, D.O.
NPI 1417361973 · Sports Medicine (Family Medicine) Physician · Davis, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Collins, D.O. is a Sports Medicine (Family Medicine) Physician provider in Davis, CA (NPI 1417361973).
Provider details
- NPI number
- 1417361973
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A15413 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 109 | 36 |
| Lisinopril | 55 | 19 |
| Metformin Hclbrand: Metformin Hcl Er | 46 | 15 |
| Amlodipine Besylate | 31 | 13 |
| Losartan Potassium | 30 | 11 |
| Diclofenac Sodium | 28 | 17 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2014-06-12
- Last updated
- 2025-02-18
- Certified
- 2025-02-18
Frequently asked questions
- What is William Collins's NPI number?
- William Collins's National Provider Identifier (NPI) is 1417361973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Collins's specialty?
- William Collins is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Collins located?
- William Collins's practice location on file with NPPES is 1955 Cowell Blvd, Davis, CA 95618-6325.
- What is William Collins's phone number?
- The practice phone number listed in the NPPES registry for William Collins is (530) 757-7100.
- Does William Collins accept Medicare?
- William Collins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Collins's NPI active?
- Yes — William Collins's NPI (1417361973) is active in the NPPES registry as of the last update on 2025-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.