Dr Leon Mullen
NPI 1245316728 · Cardiovascular Disease Physician · East Meadow, NY
Dr Leon Mullen is a Cardiovascular Disease Physician organization in East Meadow, NY (NPI 1245316728).
Provider details
- NPI number
- 1245316728
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leon Mullen, Owner(516) 542-0255
- License
- 132791 (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
19 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
- 2006-10-27
- Last updated
- 2008-02-22
Frequently asked questions
- What is Dr Leon Mullen's NPI number?
- Dr Leon Mullen's National Provider Identifier (NPI) is 1245316728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Leon Mullen?
- Dr Leon Mullen is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Dr Leon Mullen located?
- Dr Leon Mullen's practice location on file with NPPES is 30 Merrick Avenue, East Meadow, NY 11554-1580.
- What is Dr Leon Mullen's phone number?
- The practice phone number listed in the NPPES registry for Dr Leon Mullen is (516) 542-0255.
- Who is the authorized official for Dr Leon Mullen?
- The authorized official listed on Dr Leon Mullen's NPPES record is Leon Mullen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Leon Mullen's NPI active?
- Yes — Dr Leon Mullen's NPI (1245316728) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.