IndividualActive
Glenn Leslie, D.O.
NPI 1285712950 · Internal Medicine Physician · Mahwah, NJ
Glenn Leslie, D.O. is a Internal Medicine Physician provider in Mahwah, NJ (NPI 1285712950).
Provider details
- NPI number
- 1285712950
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- MB42681 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
10 Franklin Tpke
Mahwah, NJ 07430-1304
Phone: (201) 529-0033
Fax: (201) 529-5913
Street-level locationGet directions
Mailing address
10 Franklin Tpke
Mahwah, NJ 07430
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2012-11-08
Frequently asked questions
- What is Glenn Leslie's NPI number?
- Glenn Leslie's National Provider Identifier (NPI) is 1285712950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Leslie's specialty?
- Glenn Leslie is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Leslie located?
- Glenn Leslie's practice location on file with NPPES is 10 Franklin Tpke, Mahwah, NJ 07430-1304.
- What is Glenn Leslie's phone number?
- The practice phone number listed in the NPPES registry for Glenn Leslie is (201) 529-0033.
- Is Glenn Leslie's NPI active?
- Yes — Glenn Leslie's NPI (1285712950) is active in the NPPES registry as of the last update on 2012-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.