Christopher Duby, P.A.
NPI 1669473807 · Physician Assistant · Purchase, NY
Christopher Duby, P.A. is a Physician Assistant provider in Purchase, NY (NPI 1669473807).
Provider details
- NPI number
- 1669473807
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 009014 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2008-04-10
Frequently asked questions
- What is Christopher Duby's NPI number?
- Christopher Duby's National Provider Identifier (NPI) is 1669473807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Duby's specialty?
- Christopher Duby is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Duby located?
- Christopher Duby's practice location on file with NPPES is 2900 Westchester Ave, Purchase, NY 10577-2551.
- What is Christopher Duby's phone number?
- The practice phone number listed in the NPPES registry for Christopher Duby is (914) 249-7000.
- Is Christopher Duby's NPI active?
- Yes — Christopher Duby's NPI (1669473807) is active in the NPPES registry as of the last update on 2008-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.