William Carpenter
NPI 1164787594 · Psychiatry Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Carpenter is a Psychiatry Physician provider in Columbia, MO (NPI 1164787594).
Provider details
- NPI number
- 1164787594
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 2012019876 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
287 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $90 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 38 | $15 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 34 | $60 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 12 | $163 |
Typical Medicare-allowed amounts for these services range $15–$163 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 330 | 51 |
| Clonazepam | 219 | 36 |
| Duloxetine Hcl | 215 | 32 |
| Sertraline Hcl | 212 | 32 |
| Mirtazapine | 197 | 27 |
| Buspirone Hcl | 172 | 33 |
| Lamotrigine | 160 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-11
- Last updated
- 2012-07-11
Frequently asked questions
- What is William Carpenter's NPI number?
- William Carpenter's National Provider Identifier (NPI) is 1164787594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Carpenter's specialty?
- William Carpenter is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Carpenter located?
- William Carpenter's practice location on file with NPPES is One Hospital Drive, DC067.00, Columbia, MO 65212.
- What is William Carpenter's phone number?
- The practice phone number listed in the NPPES registry for William Carpenter is (573) 882-8907.
- Does William Carpenter accept Medicare?
- William Carpenter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Carpenter's NPI active?
- Yes — William Carpenter's NPI (1164787594) is active in the NPPES registry as of the last update on 2012-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.