William Barrett, MD
NPI 1013955822 · Nephrology Physician · Maysville, KY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barrett, MD is a Nephrology Physician provider in Maysville, KY (NPI 1013955822).
Provider details
- NPI number
- 1013955822
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37308 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
933 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $119 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 179 | $273 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $84 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 130 | $9 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 100 | $273 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 177 | 35 |
| Furosemide | 168 | 54 |
| Amlodipine Besylate | 131 | 29 |
| Hydralazine Hcl | 124 | 25 |
| Losartan Potassium | 109 | 29 |
| Spironolactone | 101 | 20 |
| Torsemide | 90 | 22 |
| Calcitriol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (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
- 2006-06-03
- Last updated
- 2023-03-07
Frequently asked questions
- What is William Barrett's NPI number?
- William Barrett's National Provider Identifier (NPI) is 1013955822, 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 Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is William Barrett located?
- William Barrett's practice location on file with NPPES is 1340 Medical Park Dr, Maysville, KY 41056-8725.
- What is William Barrett's phone number?
- The practice phone number listed in the NPPES registry for William Barrett is (606) 759-0077.
- 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 (1013955822) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.