OrganizationActive
Mark C. Steadman & Assoc'S
NPI 1679893598 · Optometrist · Nashua, NH
Mark C. Steadman & Assoc'S is a Optometrist organization in Nashua, NH (NPI 1679893598).
Provider details
- NPI number
- 1679893598
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Mark Steadman, Owner(603) 598-1620
- License
- 0519 (NH)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
262 Main Dunstable Rd
Nashua, NH 03062-1941
Phone: (603) 598-1620
Fax: (603) 598-1624
Street-level locationGet directions
Mailing address
262 Main Dunstable Rd
Nashua, NH 03062-1941
Registry dates
- Enumerated
- 2010-06-02
- Last updated
- 2010-06-02
Frequently asked questions
- What is Mark C. Steadman & Assoc'S's NPI number?
- Mark C. Steadman & Assoc'S's National Provider Identifier (NPI) is 1679893598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark C. Steadman & Assoc'S?
- Mark C. Steadman & Assoc'S is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Mark C. Steadman & Assoc'S located?
- Mark C. Steadman & Assoc'S's practice location on file with NPPES is 262 Main Dunstable Rd, Nashua, NH 03062-1941.
- What is Mark C. Steadman & Assoc'S's phone number?
- The practice phone number listed in the NPPES registry for Mark C. Steadman & Assoc'S is (603) 598-1620.
- Who is the authorized official for Mark C. Steadman & Assoc'S?
- The authorized official listed on Mark C. Steadman & Assoc'S's NPPES record is Mark Steadman, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark C. Steadman & Assoc'S's NPI active?
- Yes — Mark C. Steadman & Assoc'S's NPI (1679893598) is active in the NPPES registry as of the last update on 2010-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.