William Dailey, MD
NPI 1558466458 · Family Medicine Physician · Osceola, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Dailey, MD is a Family Medicine Physician provider in Osceola, MO (NPI 1558466458).
Provider details
- NPI number
- 1558466458
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2007035377 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
130 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 98 | $120 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 32 | $153 |
Typical Medicare-allowed amounts for these services range $120–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 175 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 603 | 124 |
| Lisinopril | 575 | 126 |
| Atorvastatin Calcium | 439 | 91 |
| Gabapentin | 432 | 90 |
| Metformin Hcl | 417 | 78 |
| Omeprazole | 402 | 76 |
| Amlodipine Besylate | 390 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 18 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
- 2006-09-14
- Last updated
- 2021-11-15
- Certified
- 2021-11-15
Frequently asked questions
- What is William Dailey's NPI number?
- William Dailey's National Provider Identifier (NPI) is 1558466458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dailey's specialty?
- William Dailey is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Dailey located?
- William Dailey's practice location on file with NPPES is 675 3rd St, Osceola, MO 64776-2934.
- What is William Dailey's phone number?
- The practice phone number listed in the NPPES registry for William Dailey is (417) 646-2134.
- Does William Dailey accept Medicare?
- William Dailey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Dailey's NPI active?
- Yes — William Dailey's NPI (1558466458) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.