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Robert Hollenhorst, MD
NPI 1174569727 · Ophthalmology Physician · Duluth, MN
Robert Hollenhorst, MD is a Ophthalmology Physician provider in Duluth, MN (NPI 1174569727).
Provider details
- NPI number
- 1174569727
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 22377 (MN)
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
5007 Matterhorn Dr
Duluth, MN 55811-3812
Phone: (218) 720-3553
Fax: (218) 786-9375
Street-level locationGet directions
Mailing address
5007 Matterhorn Dr
Duluth, MN 55811-3812
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Hollenhorst's NPI number?
- Robert Hollenhorst's National Provider Identifier (NPI) is 1174569727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Hollenhorst's specialty?
- Robert Hollenhorst is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Hollenhorst located?
- Robert Hollenhorst's practice location on file with NPPES is 5007 Matterhorn Dr, Duluth, MN 55811-3812.
- What is Robert Hollenhorst's phone number?
- The practice phone number listed in the NPPES registry for Robert Hollenhorst is (218) 720-3553.
- Is Robert Hollenhorst's NPI active?
- Yes — Robert Hollenhorst's NPI (1174569727) 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.