Naji Haroun, MD
NPI 1780656355 · Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naji Haroun, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Baltimore, MD (NPI 1780656355).
Provider details
- NPI number
- 1780656355
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0019133 (MD)
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
20 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
- 2006-02-07
- Last updated
- 2015-05-28
Frequently asked questions
- What is Naji Haroun's NPI number?
- Naji Haroun's National Provider Identifier (NPI) is 1780656355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naji Haroun's specialty?
- Naji Haroun is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Naji Haroun located?
- Naji Haroun's practice location on file with NPPES is 901 Eastern Blvd, Baltimore, MD 21221-3416.
- What is Naji Haroun's phone number?
- The practice phone number listed in the NPPES registry for Naji Haroun is (410) 682-5500.
- Does Naji Haroun accept Medicare?
- Naji Haroun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naji Haroun's NPI active?
- Yes — Naji Haroun's NPI (1780656355) is active in the NPPES registry as of the last update on 2015-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.