Catherine Mills, M.D.
NPI 1881638062 · Diagnostic Radiology Physician · Walnut Creek, CA
Catherine Mills, M.D. is a Diagnostic Radiology Physician provider in Walnut Creek, CA (NPI 1881638062).
Provider details
- NPI number
- 1881638062
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G46117 (CA)
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
- 2006-06-16
- Last updated
- 2014-01-22
Frequently asked questions
- What is Catherine Mills's NPI number?
- Catherine Mills's National Provider Identifier (NPI) is 1881638062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Mills's specialty?
- Catherine Mills is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Mills located?
- Catherine Mills's practice location on file with NPPES is 2125 Oak Grove Road, Walnut Creek, CA 94598.
- What is Catherine Mills's phone number?
- The practice phone number listed in the NPPES registry for Catherine Mills is (925) 296-7150.
- Is Catherine Mills's NPI active?
- Yes — Catherine Mills's NPI (1881638062) is active in the NPPES registry as of the last update on 2014-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.