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Gary Della'Zanna, DO
NPI 1437146420 · Surgery Physician · Annapolis, MD
Gary Della'Zanna, DO is a Surgery Physician provider in Annapolis, MD (NPI 1437146420).
Provider details
- NPI number
- 1437146420
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- H0062053 (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
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
2001 Medical Pkwy
Annapolis, MD 21401-3280
Phone: (443) 481-1000
Fax: (443) 481-1360
Street-level locationGet directions
Mailing address
Po Box 64834
Baltimore, MD 21264-4834
Registry dates
- Enumerated
- 2005-10-04
- Last updated
- 2009-02-25
Frequently asked questions
- What is Gary Della'Zanna's NPI number?
- Gary Della'Zanna's National Provider Identifier (NPI) is 1437146420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Della'Zanna's specialty?
- Gary Della'Zanna is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Della'Zanna located?
- Gary Della'Zanna's practice location on file with NPPES is 2001 Medical Pkwy, Annapolis, MD 21401-3280.
- What is Gary Della'Zanna's phone number?
- The practice phone number listed in the NPPES registry for Gary Della'Zanna is (443) 481-1000.
- Is Gary Della'Zanna's NPI active?
- Yes — Gary Della'Zanna's NPI (1437146420) is active in the NPPES registry as of the last update on 2009-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.