William Brown
NPI 1821012196 · Gastroenterology Physician · Berkeley Heights, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Brown is a Gastroenterology Physician provider in Berkeley Heights, NJ (NPI 1821012196).
Provider details
- NPI number
- 1821012196
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 236148 (NY)
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
19 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
1,600 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 | 346 | $139 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 189 | $48 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 155 | $83 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 115 | $137 |
| Ultrasound Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43259 | 98 | $181 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 277 | 142 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 180 | 160 |
| Pantoprazole Sodium | 101 | 50 |
| Famotidine | 75 | 25 |
| Sucralfate | 59 | 30 |
| Mesalamine | 25 | — |
| Mercaptopurine | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$299 across 11 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
- 2006-07-27
- Last updated
- 2017-09-06
Frequently asked questions
- What is William Brown's NPI number?
- William Brown's National Provider Identifier (NPI) is 1821012196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Brown's specialty?
- William Brown is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Brown located?
- William Brown's practice location on file with NPPES is 1 Diamond Hill Rd, Berkeley Heights, NJ 07922-2104.
- What is William Brown's phone number?
- The practice phone number listed in the NPPES registry for William Brown is (908) 273-4300.
- Does William Brown accept Medicare?
- William Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Brown's NPI active?
- Yes — William Brown's NPI (1821012196) is active in the NPPES registry as of the last update on 2017-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.