IndividualActive
James Dummett, M.D.
NPI 1023126141 · Ophthalmology Physician · Mason City, IA
James Dummett, M.D. is a Ophthalmology Physician provider in Mason City, IA (NPI 1023126141).
Provider details
- NPI number
- 1023126141
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27500 (IA)
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
3121 4th St Sw
Mason City, IA 50401-1581
Phone: (641) 423-8861
Fax: (641) 423-0727
Street-level locationGet directions
Mailing address
Po Box 1877
Mason City, IA 50402-1877
Registry dates
- Enumerated
- 2006-08-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Dummett's NPI number?
- James Dummett's National Provider Identifier (NPI) is 1023126141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Dummett's specialty?
- James Dummett is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Dummett located?
- James Dummett's practice location on file with NPPES is 3121 4th St Sw, Mason City, IA 50401-1581.
- What is James Dummett's phone number?
- The practice phone number listed in the NPPES registry for James Dummett is (641) 423-8861.
- Is James Dummett's NPI active?
- Yes — James Dummett's NPI (1023126141) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.