OrganizationActive
Nathan H Drum, OD
NPI 1104065994 · Optometrist · Colebrook, NH
Provider details
- NPI number
- 1104065994
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Parent organization
- Lancaster Eye Care
- Organization subpart
- Yes
- Authorized official
- Nathan Drum, Owner/Optometrist(603) 788-2031
- License
- 0300000272 (VT)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
109 Main St
Suite 2
Colebrook, NH 03576-3065
Phone: (603) 237-4500
Fax: (603) 237-9900
Street-level locationGet directions
Mailing address
95 Main St
Lancaster, NH 03584-3072
Registry dates
- Enumerated
- 2009-02-18
- Last updated
- 2012-04-25
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.