IndividualActive
Mark Johnson, MD
NPI 1861432973 · Ophthalmology Physician · Sun City West, AZ
Mark Johnson, MD is a Ophthalmology Physician provider in Sun City West, AZ (NPI 1861432973).
Provider details
- NPI number
- 1861432973
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23674 (AZ)
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
14416 W Meeker Blvd
Bldg C
Sun City West, AZ 85375-5284
Phone: (623) 583-5180
Fax: (523) 546-8458
Street-level locationGet directions
Mailing address
13640 N Plaza Del Rio Blvd
Peoria, AZ 85381-4846
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2008-01-23
Frequently asked questions
- What is Mark Johnson's NPI number?
- Mark Johnson's National Provider Identifier (NPI) is 1861432973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Johnson's specialty?
- Mark Johnson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Johnson located?
- Mark Johnson's practice location on file with NPPES is 14416 W Meeker Blvd, Sun City West, AZ 85375-5284.
- What is Mark Johnson's phone number?
- The practice phone number listed in the NPPES registry for Mark Johnson is (623) 583-5180.
- Is Mark Johnson's NPI active?
- Yes — Mark Johnson's NPI (1861432973) is active in the NPPES registry as of the last update on 2008-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.