Irwin Lieb, MD
NPI 1447242920 · Urology Physician · Saranac Lake, NY
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irwin Lieb, MD is a Urology Physician provider in Saranac Lake, NY (NPI 1447242920).
Provider details
- NPI number
- 1447242920
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 168738 (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
- 2005-08-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Irwin Lieb's NPI number?
- Irwin Lieb's National Provider Identifier (NPI) is 1447242920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Lieb's specialty?
- Irwin Lieb is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Lieb located?
- Irwin Lieb's practice location on file with NPPES is 309 County Route 47, Saranac Lake, NY 12983-5405.
- What is Irwin Lieb's phone number?
- The practice phone number listed in the NPPES registry for Irwin Lieb is (518) 891-1610.
- Does Irwin Lieb accept Medicare?
- Irwin Lieb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irwin Lieb's NPI active?
- Yes — Irwin Lieb's NPI (1447242920) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.