Adel Bassily-Marcus, MD
NPI 1326014119 · Critical Care Medicine (Internal Medicine) Physician · New Haven, CT
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adel Bassily-Marcus, MD is a Critical Care Medicine (Internal Medicine) Physician provider in New Haven, CT (NPI 1326014119).
Provider details
- NPI number
- 1326014119
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 78812 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
313 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 166 | $231 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 80 | $126 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 40 | $15 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 27 | $91 |
Typical Medicare-allowed amounts for these services range $15–$231 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2024-08-29
- Certified
- 2024-08-28
Frequently asked questions
- What is Adel Bassily-Marcus's NPI number?
- Adel Bassily-Marcus's National Provider Identifier (NPI) is 1326014119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adel Bassily-Marcus's specialty?
- Adel Bassily-Marcus is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Adel Bassily-Marcus located?
- Adel Bassily-Marcus's practice location on file with NPPES is 333 Cedar St, New Haven, CT 06510-3206.
- What is Adel Bassily-Marcus's phone number?
- The practice phone number listed in the NPPES registry for Adel Bassily-Marcus is (203) 785-6610.
- Does Adel Bassily-Marcus accept Medicare?
- Adel Bassily-Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adel Bassily-Marcus's NPI active?
- Yes — Adel Bassily-Marcus's NPI (1326014119) is active in the NPPES registry as of the last update on 2024-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.