Hossein Keyvan-Larijani, M.D.
NPI 1245209121 · Internal Medicine Physician · Northport, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hossein Keyvan-Larijani, M.D. is a Internal Medicine Physician provider in Northport, NY (NPI 1245209121).
Provider details
- NPI number
- 1245209121
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 111342 (NY)
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
- 2006-03-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hossein Keyvan-Larijani's NPI number?
- Hossein Keyvan-Larijani's National Provider Identifier (NPI) is 1245209121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hossein Keyvan-Larijani's specialty?
- Hossein Keyvan-Larijani is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hossein Keyvan-Larijani located?
- Hossein Keyvan-Larijani's practice location on file with NPPES is 79 Middleville Rd, Northport, NY 11768-2200.
- What is Hossein Keyvan-Larijani's phone number?
- The practice phone number listed in the NPPES registry for Hossein Keyvan-Larijani is (631) 261-4400.
- Does Hossein Keyvan-Larijani accept Medicare?
- Hossein Keyvan-Larijani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hossein Keyvan-Larijani's NPI active?
- Yes — Hossein Keyvan-Larijani's NPI (1245209121) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.