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Robert Duplain, ND
NPI 1861703423 · Naturopath · Berkeley, CA
Robert Duplain, ND is a Naturopath provider in Berkeley, CA (NPI 1861703423).
Provider details
- NPI number
- 1861703423
- Entity type
- Individual
- Primary specialty
- NaturopathOther Service Providers
- Credential
- ND
- Sex
- Male
- Sole proprietor
- No
- License
- ND-388 (CA)
Specialties & taxonomies
Other Service 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
15 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
2820 Seventh Street
Berkeley, CA 94710
Phone: (510) 408-6516
Fax: (510) 981-8184
Street-level locationGet directions
Mailing address
2820 Seventh Street
Berkeley, CA 94710-2703
Registry dates
- Enumerated
- 2010-06-29
- Last updated
- 2011-02-23
Frequently asked questions
- What is Robert Duplain's NPI number?
- Robert Duplain's National Provider Identifier (NPI) is 1861703423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Duplain's specialty?
- Robert Duplain is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).
- Where is Robert Duplain located?
- Robert Duplain's practice location on file with NPPES is 2820 Seventh Street, Berkeley, CA 94710.
- What is Robert Duplain's phone number?
- The practice phone number listed in the NPPES registry for Robert Duplain is (510) 408-6516.
- Is Robert Duplain's NPI active?
- Yes — Robert Duplain's NPI (1861703423) is active in the NPPES registry as of the last update on 2011-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.