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Dennis Hannon, M.D.
NPI 1053314815 · Adult Medicine Physician · Olney, MD
Dennis Hannon, M.D. is a Adult Medicine Physician provider in Olney, MD (NPI 1053314815).
Provider details
- NPI number
- 1053314815
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0023124 (MD)
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
21 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
3300 Olney Sandy Spring Rd
Suite 330
Olney, MD 20832-1494
Phone: (301) 774-7334
Fax: (301) 774-7311
Street-level locationGet directions
Mailing address
3300 Olney Sandy Spring Rd
Olney, MD 20832-1494
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2010-02-16
Frequently asked questions
- What is Dennis Hannon's NPI number?
- Dennis Hannon's National Provider Identifier (NPI) is 1053314815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Hannon's specialty?
- Dennis Hannon is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Hannon located?
- Dennis Hannon's practice location on file with NPPES is 3300 Olney Sandy Spring Rd, Olney, MD 20832-1494.
- What is Dennis Hannon's phone number?
- The practice phone number listed in the NPPES registry for Dennis Hannon is (301) 774-7334.
- Is Dennis Hannon's NPI active?
- Yes — Dennis Hannon's NPI (1053314815) is active in the NPPES registry as of the last update on 2010-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.