William Barrett, DO
NPI 1952798829 · Anesthesiology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barrett, DO is a Anesthesiology Physician provider in Charleston, SC (NPI 1952798829).
Provider details
- NPI number
- 1952798829
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0102204642 (VA)
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
11 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
345 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) |
|---|---|---|
| Ultrasonic Guidance for Needle Placement76942 | 82 | $28 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 78 | $47 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 50 | $49 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 23 | $46 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $58 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 19 | $63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 2 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
- 2015-04-18
- Last updated
- 2020-11-25
- Certified
- 2020-11-25
Frequently asked questions
- What is William Barrett's NPI number?
- William Barrett's National Provider Identifier (NPI) is 1952798829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barrett's specialty?
- William Barrett is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Barrett located?
- William Barrett's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-5051.
- What is William Barrett's phone number?
- The practice phone number listed in the NPPES registry for William Barrett is (843) 792-1414.
- Does William Barrett accept Medicare?
- William Barrett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barrett's NPI active?
- Yes — William Barrett's NPI (1952798829) is active in the NPPES registry as of the last update on 2020-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.