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Leonard Lee
NPI 1780711754 · Internal Medicine Physician · Littleton, CO
Leonard Lee is a Internal Medicine Physician provider in Littleton, CO (NPI 1780711754).
Provider details
- NPI number
- 1780711754
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 88087 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
5555 E Arapahoe Rd
Littleton, CO 80122-2312
Phone: (303) 743-5855
Street-level locationGet directions
Mailing address
2185 S Birch St
Denver, CO 80222-5017
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Lee's NPI number?
- Leonard Lee's National Provider Identifier (NPI) is 1780711754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Lee's specialty?
- Leonard Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Lee located?
- Leonard Lee's practice location on file with NPPES is 5555 E Arapahoe Rd, Littleton, CO 80122-2312.
- What is Leonard Lee's phone number?
- The practice phone number listed in the NPPES registry for Leonard Lee is (303) 743-5855.
- Is Leonard Lee's NPI active?
- Yes — Leonard Lee's NPI (1780711754) 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.