Provider Profile
Barrington A. Williams, APN is a nurse practitioner practicing in Berkeley Heights, NJ. According to Medicare claims data, Barrington cared for 987 Medicare patients across 1,007 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1 DIAMOND HILL RD
Berkeley Heights, NJ 07922
1,007 services · 987 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance into vein | Treatment | 96374 |
12 | Less often than most peers in Nurse Practitioner |
| Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) | Treatment | 90715 |
11 | Less often than most peers in Nurse Practitioner |
| Administration of vaccine | Treatment | 90471 |
11 | Less often than most peers in Nurse Practitioner |
| Infusion, normal saline solution , 1000 cc | Drug given | J7030 |
13 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
374 | More than most peers in Nurse Practitioner |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
127 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
88 | As often as other peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
74 | More often than most peers in Nurse Practitioner |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
57 | More than most peers in Nurse Practitioner |
| Automated urinalysis test | Lab test | 81003 |
45 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Barrington A. Williams is a nurse practitioner in Berkeley Heights, NJ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Barrington A. Williams is listed at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (908) 277-8880. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Barrington A. Williams's National Provider Identifier is 1649642166. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Barrington A. Williams attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Barrington A. Williams has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Barrington A. Williams provides treatments such as injection of drug or substance into vein and diphtheria, tetanus, and acellular pertussis vaccine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Barrington A. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.