IndividualActive
William Lopez, M.D.
NPI 1023015807 · Internal Medicine Physician · Loveland, CO
William Lopez, M.D. is a Internal Medicine Physician provider in Loveland, CO (NPI 1023015807).
Provider details
- NPI number
- 1023015807
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20787 (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
21 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
2500 Rocky Mountain Ave
North Medical Office Building
Loveland, CO 80538-9004
Phone: (970) 203-7050
Fax: (970) 203-7055
Approximate (ZIP-level) locationGet directions
Mailing address
2500 Rocky Mountain Ave
Loveland, CO 80538-9004
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2016-03-23
Frequently asked questions
- What is William Lopez's NPI number?
- William Lopez's National Provider Identifier (NPI) is 1023015807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lopez's specialty?
- William Lopez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Lopez located?
- William Lopez's practice location on file with NPPES is 2500 Rocky Mountain Ave, Loveland, CO 80538-9004.
- What is William Lopez's phone number?
- The practice phone number listed in the NPPES registry for William Lopez is (970) 203-7050.
- Is William Lopez's NPI active?
- Yes — William Lopez's NPI (1023015807) is active in the NPPES registry as of the last update on 2016-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.