Karim Abou-Nassar, MD
NPI 1366770745 · Hematology & Oncology Physician · Boston, MA
Karim Abou-Nassar, MD is a Hematology & Oncology Physician provider in Boston, MA (NPI 1366770745).
Provider details
- NPI number
- 1366770745
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 241886 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-11-24
- Last updated
- 2009-11-24
Frequently asked questions
- What is Karim Abou-Nassar's NPI number?
- Karim Abou-Nassar's National Provider Identifier (NPI) is 1366770745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karim Abou-Nassar's specialty?
- Karim Abou-Nassar is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karim Abou-Nassar located?
- Karim Abou-Nassar's practice location on file with NPPES is 44 Binney St, Boston, MA 02115-6013.
- What is Karim Abou-Nassar's phone number?
- The practice phone number listed in the NPPES registry for Karim Abou-Nassar is (617) 632-4061.
- Is Karim Abou-Nassar's NPI active?
- Yes — Karim Abou-Nassar's NPI (1366770745) is active in the NPPES registry as of the last update on 2009-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.