IndividualActive
Martha Duffy, RD
NPI 1245247170 · Registered Dietitian · Portland, OR
Martha Duffy, RD is a Registered Dietitian provider in Portland, OR (NPI 1245247170).
Provider details
- NPI number
- 1245247170
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 692 (OR)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(91/100 index)
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
707 Sw Gaines St
Portland, OR 97239-2901
Phone: (800) 452-3563
Street-level locationGet directions
Mailing address
20595 Sw Nicota Ct
Beaverton, OR 97006-1548
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martha Duffy's NPI number?
- Martha Duffy's National Provider Identifier (NPI) is 1245247170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Duffy's specialty?
- Martha Duffy is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Martha Duffy located?
- Martha Duffy's practice location on file with NPPES is 707 Sw Gaines St, Portland, OR 97239-2901.
- What is Martha Duffy's phone number?
- The practice phone number listed in the NPPES registry for Martha Duffy is (800) 452-3563.
- Is Martha Duffy's NPI active?
- Yes — Martha Duffy's NPI (1245247170) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.