Stephen P. Byrnes, O.D.
NPI 1710150883 · Optometrist · Londonderry, NH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen P. Byrnes, O.D. is a Optometrist organization in Londonderry, NH (NPI 1710150883).
Provider details
- NPI number
- 1710150883
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Stephen Byrnes, Owner(603) 434-4449
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-04-09
- Last updated
- 2008-04-09
Frequently asked questions
- What is Stephen P. Byrnes, O.D.'s NPI number?
- Stephen P. Byrnes, O.D.'s National Provider Identifier (NPI) is 1710150883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen P. Byrnes, O.D.?
- Stephen P. Byrnes, O.D. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Stephen P. Byrnes, O.D. located?
- Stephen P. Byrnes, O.D.'s practice location on file with NPPES is 80 Nashua Rd, Londonderry, NH 03053-3426.
- What is Stephen P. Byrnes, O.D.'s phone number?
- The practice phone number listed in the NPPES registry for Stephen P. Byrnes, O.D. is (603) 434-4449.
- Does Stephen P. Byrnes, O.D. accept Medicare?
- Stephen P. Byrnes, O.D. 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 Stephen P. Byrnes, O.D.?
- The authorized official listed on Stephen P. Byrnes, O.D.'s NPPES record is Stephen Byrnes, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen P. Byrnes, O.D.'s NPI active?
- Yes — Stephen P. Byrnes, O.D.'s NPI (1710150883) is active in the NPPES registry as of the last update on 2008-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.