Brent Williams, M.D.
NPI 1114963428 · Nephrology Physician · New York, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brent Williams, M.D. is a Nephrology Physician provider in New York, NY (NPI 1114963428).
Provider details
- NPI number
- 1114963428
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 213485 (NY)
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
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
477 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) |
|---|---|---|
| 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 | 160 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $101 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 90 | $383 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $186 |
Typical Medicare-allowed amounts for these services range $18–$383 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 108 | 30 |
| Amlodipine Besylate | 74 | 18 |
| Nifedipinebrand: Nifedipine Er | 46 | 14 |
| Valsartan/Hydrochlorothiazidebrand: Valsartan-Hydrochlorothiazide | 44 | — |
| Losartan Potassium | 43 | — |
| Atorvastatin Calcium | 34 | — |
| Valsartan | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2012-11-15
Frequently asked questions
- What is Brent Williams's NPI number?
- Brent Williams's National Provider Identifier (NPI) is 1114963428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brent Williams's specialty?
- Brent Williams is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Brent Williams located?
- Brent Williams's practice location on file with NPPES is 314 W 14th St, New York, NY 10014-5002.
- What is Brent Williams's phone number?
- The practice phone number listed in the NPPES registry for Brent Williams is (646) 638-4000.
- Does Brent Williams accept Medicare?
- Brent Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brent Williams's NPI active?
- Yes — Brent Williams's NPI (1114963428) is active in the NPPES registry as of the last update on 2012-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.