IndividualActive
James Ley, MD
NPI 1538147400 · Family Medicine Physician · Greeley, CO
James Ley, MD is a Family Medicine Physician provider in Greeley, CO (NPI 1538147400).
Provider details
- NPI number
- 1538147400
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21014 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
5881 W 16th St
Greeley, CO 80634-2910
Phone: (970) 313-2700
Fax: (970) 313-2727
Street-level locationGet directions
Mailing address
5881 W 16th St
Greeley, CO 80634-2910
Registry dates
- Enumerated
- 2006-01-02
- Last updated
- 2013-07-02
Frequently asked questions
- What is James Ley's NPI number?
- James Ley's National Provider Identifier (NPI) is 1538147400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ley's specialty?
- James Ley is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Ley located?
- James Ley's practice location on file with NPPES is 5881 W 16th St, Greeley, CO 80634-2910.
- What is James Ley's phone number?
- The practice phone number listed in the NPPES registry for James Ley is (970) 313-2700.
- Is James Ley's NPI active?
- Yes — James Ley's NPI (1538147400) is active in the NPPES registry as of the last update on 2013-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.