William Buddin, PH.D.
NPI 1215375035 · Clinical Psychologist · Charleston, SC
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Buddin, PH.D. is a Clinical Psychologist provider in Charleston, SC (NPI 1215375035).
Provider details
- NPI number
- 1215375035
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1268 (SC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
3,531 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) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 1,687 | $35 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 892 | $92 |
| Psychiatric Diagnostic Evaluation90791 | 299 | $164 |
| Evaluation of Neuropsychological Test, First Hour96132 | 272 | $122 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 241 | $39 |
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139 | 127 | $32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-14
- Last updated
- 2021-01-19
- Certified
- 2021-01-19
Frequently asked questions
- What is William Buddin's NPI number?
- William Buddin's National Provider Identifier (NPI) is 1215375035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Buddin's specialty?
- William Buddin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Buddin located?
- William Buddin's practice location on file with NPPES is 29 Leinbach Dr, Charleston, SC 29407-7071.
- What is William Buddin's phone number?
- The practice phone number listed in the NPPES registry for William Buddin is (843) 509-6521.
- Does William Buddin accept Medicare?
- William Buddin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Buddin's NPI active?
- Yes — William Buddin's NPI (1215375035) is active in the NPPES registry as of the last update on 2021-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.