William Errico, D.O.
NPI 1366529570 · Family Medicine Physician · Houston, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Errico, D.O. is a Family Medicine Physician provider in Houston, MO (NPI 1366529570).
Provider details
- NPI number
- 1366529570
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OP00002103 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
329 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 106 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 93 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 78 | $122 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 40 | $46 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 12 | $77 |
Typical Medicare-allowed amounts for these services range $46–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 237 | 75 |
| Levothyroxine Sodium | 138 | 43 |
| Dapagliflozin Propanediolbrand: Farxiga | 119 | 29 |
| Gabapentin | 111 | 31 |
| Metoprolol Succinate | 101 | 34 |
| Apixabanbrand: Eliquis | 100 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 6 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
Additional practice locations (1)
- 233 S Main StLicking, MO 65542-9325Phone: (573) 674-3011Fax: (573) 674-4765
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2023-08-14
- Certified
- 2023-08-14
Frequently asked questions
- What is William Errico's NPI number?
- William Errico's National Provider Identifier (NPI) is 1366529570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Errico's specialty?
- William Errico is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Errico located?
- William Errico's practice location on file with NPPES is 1337 S Sam Houston Blvd, Houston, MO 65483-2046.
- What is William Errico's phone number?
- The practice phone number listed in the NPPES registry for William Errico is (417) 967-5435.
- Does William Errico accept Medicare?
- William Errico is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Errico's NPI active?
- Yes — William Errico's NPI (1366529570) is active in the NPPES registry as of the last update on 2023-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.