Robert J. Knox MD, Inc
NPI 1669492195 · Ophthalmologic Surgery Clinic/Center · Portsmouth, OH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert J. Knox MD, Inc is a Ophthalmologic Surgery Clinic/Center organization in Portsmouth, OH (NPI 1669492195).
Provider details
- NPI number
- 1669492195
- Entity type
- Organization
- Primary specialty
- Ophthalmologic Surgery Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Robert Knox, President(740) 355-1161
- License
- 35077740 (OH)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2006-07-20
- Last updated
- 2009-10-15
Frequently asked questions
- What is Robert J. Knox MD, Inc's NPI number?
- Robert J. Knox MD, Inc's National Provider Identifier (NPI) is 1669492195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert J. Knox MD, Inc?
- Robert J. Knox MD, Inc is classified in the NPPES registry as Ophthalmologic Surgery Clinic/Center (Ambulatory Health Care Facilities).
- Where is Robert J. Knox MD, Inc located?
- Robert J. Knox MD, Inc's practice location on file with NPPES is 1534 11th St, Portsmouth, OH 45662-4524.
- What is Robert J. Knox MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Robert J. Knox MD, Inc is (740) 355-1161.
- Does Robert J. Knox MD, Inc accept Medicare?
- Robert J. Knox MD, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Robert J. Knox MD, Inc?
- The authorized official listed on Robert J. Knox MD, Inc's NPPES record is Robert Knox, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert J. Knox MD, Inc's NPI active?
- Yes — Robert J. Knox MD, Inc's NPI (1669492195) is active in the NPPES registry as of the last update on 2009-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.