Darlene Negbenebor, M.D.
NPI 1891728853 · Specialist · Stamford, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darlene Negbenebor, M.D. is a Specialist provider in Stamford, CT (NPI 1891728853).
Provider details
- NPI number
- 1891728853
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 043139 (CT)
Specialties & taxonomies
Other Service Providers
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
548 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $90 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 83 | $117 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 73 | $202 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 61 | $102 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 29 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 399 | 117 |
| Omeprazole | 357 | 115 |
| Lipase/Protease/Amylasebrand: Creon | 92 | 23 |
| Pantoprazole Sodium | 88 | 26 |
| Linaclotidebrand: Linzess | 81 | 24 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 74 | 72 |
| Mesalamine | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,577 across 197 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
- 2006-07-09
- Last updated
- 2014-07-11
Frequently asked questions
- What is Darlene Negbenebor's NPI number?
- Darlene Negbenebor's National Provider Identifier (NPI) is 1891728853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darlene Negbenebor's specialty?
- Darlene Negbenebor is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Darlene Negbenebor located?
- Darlene Negbenebor's practice location on file with NPPES is 90 Morgan St, Stamford, CT 06905-5466.
- What is Darlene Negbenebor's phone number?
- The practice phone number listed in the NPPES registry for Darlene Negbenebor is (203) 998-7400.
- Does Darlene Negbenebor accept Medicare?
- Darlene Negbenebor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darlene Negbenebor's NPI active?
- Yes — Darlene Negbenebor's NPI (1891728853) is active in the NPPES registry as of the last update on 2014-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.