Colin Arnold, M.D.
NPI 1316949779 · Ophthalmology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Arnold, M.D. is a Ophthalmology Physician provider in Sacramento, CA (NPI 1316949779).
Provider details
- NPI number
- 1316949779
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G47416 (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
- 2005-08-15
- Last updated
- 2015-02-10
Frequently asked questions
- What is Colin Arnold's NPI number?
- Colin Arnold's National Provider Identifier (NPI) is 1316949779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Arnold's specialty?
- Colin Arnold is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Arnold located?
- Colin Arnold's practice location on file with NPPES is 7501 Hospital Dr, Sacramento, CA 95823-5405.
- What is Colin Arnold's phone number?
- The practice phone number listed in the NPPES registry for Colin Arnold is (916) 423-4040.
- Does Colin Arnold accept Medicare?
- Colin Arnold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Arnold's NPI active?
- Yes — Colin Arnold's NPI (1316949779) is active in the NPPES registry as of the last update on 2015-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.