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Martha Belknap, RD, CDN
NPI 1508113036 · Registered Dietitian · Southampton, NY
Martha Belknap, RD, CDN is a Registered Dietitian provider in Southampton, NY (NPI 1508113036).
Provider details
- NPI number
- 1508113036
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 006692-1 (NY)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
240 Meeting House Ln
Southampton, NY 11968-5009
Phone: (631) 726-8626
Street-level locationGet directions
Mailing address
34 Waterview Ct
Riverhead, NY 11901-6312
Registry dates
- Enumerated
- 2012-08-15
- Last updated
- 2012-08-15
Frequently asked questions
- What is Martha Belknap's NPI number?
- Martha Belknap's National Provider Identifier (NPI) is 1508113036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Belknap's specialty?
- Martha Belknap is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Martha Belknap located?
- Martha Belknap's practice location on file with NPPES is 240 Meeting House Ln, Southampton, NY 11968-5009.
- What is Martha Belknap's phone number?
- The practice phone number listed in the NPPES registry for Martha Belknap is (631) 726-8626.
- Is Martha Belknap's NPI active?
- Yes — Martha Belknap's NPI (1508113036) is active in the NPPES registry as of the last update on 2012-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.