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David Duffy, M.D.
NPI 1801827647 · Internal Medicine Physician · Astoria, NY
David Duffy, M.D. is a Internal Medicine Physician provider in Astoria, NY (NPI 1801827647).
Provider details
- NPI number
- 1801827647
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 112757-1 (NY)
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
19 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
2710 30th Ave
Suite La
Astoria, NY 11102-2401
Phone: (718) 932-9870
Fax: (718) 932-9878
Street-level locationGet directions
Mailing address
2712 Bayside Ln
Flushing, NY 11358-1056
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2007-07-09
Frequently asked questions
- What is David Duffy's NPI number?
- David Duffy's National Provider Identifier (NPI) is 1801827647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Duffy's specialty?
- David Duffy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Duffy located?
- David Duffy's practice location on file with NPPES is 2710 30th Ave, Astoria, NY 11102-2401.
- What is David Duffy's phone number?
- The practice phone number listed in the NPPES registry for David Duffy is (718) 932-9870.
- Is David Duffy's NPI active?
- Yes — David Duffy's NPI (1801827647) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.