Willis Hoyt, MD
NPI 1427062645 · Psychiatry Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willis Hoyt, MD is a Psychiatry Physician provider in Springfield, MO (NPI 1427062645).
Provider details
- NPI number
- 1427062645
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H62103 (MD)
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 tenure28% of score
19 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
452 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 205 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $154 |
Typical Medicare-allowed amounts for these services range $67–$154 (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 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 376 | 54 |
| Bupropion Hclbrand: Bupropion Xl | 355 | 49 |
| Lamotrigine | 347 | 51 |
| Buspirone Hcl | 294 | 57 |
| Mirtazapine | 279 | 53 |
| Trazodone Hcl | 259 | 56 |
| Lorazepam | 234 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2010-04-23
Frequently asked questions
- What is Willis Hoyt's NPI number?
- Willis Hoyt's National Provider Identifier (NPI) is 1427062645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willis Hoyt's specialty?
- Willis Hoyt is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Willis Hoyt located?
- Willis Hoyt's practice location on file with NPPES is 1965 S Fremont Ave, Springfield, MO 65804-2201.
- What is Willis Hoyt's phone number?
- The practice phone number listed in the NPPES registry for Willis Hoyt is (417) 820-8180.
- Does Willis Hoyt accept Medicare?
- Willis Hoyt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willis Hoyt's NPI active?
- Yes — Willis Hoyt's NPI (1427062645) is active in the NPPES registry as of the last update on 2010-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.