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Richard Duffy, MD
NPI 1336140714 · Anesthesiology Physician · Portsmouth, NH
Richard Duffy, MD is a Anesthesiology Physician provider in Portsmouth, NH (NPI 1336140714).
Provider details
- NPI number
- 1336140714
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- NH10348 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone: (603) 436-5110
Street-level locationGet directions
Mailing address
383 Central Ave
Dover, NH 03820-6420
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2008-06-13
Frequently asked questions
- What is Richard Duffy's NPI number?
- Richard Duffy's National Provider Identifier (NPI) is 1336140714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Duffy's specialty?
- Richard Duffy is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Duffy located?
- Richard Duffy's practice location on file with NPPES is 333 Borthwick Ave, Portsmouth, NH 03801-7128.
- What is Richard Duffy's phone number?
- The practice phone number listed in the NPPES registry for Richard Duffy is (603) 436-5110.
- Is Richard Duffy's NPI active?
- Yes — Richard Duffy's NPI (1336140714) is active in the NPPES registry as of the last update on 2008-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.