Brian Walker, M.D.
NPI 1104809714 · Hematology & Oncology Physician · Naples, FL
Brian Walker, M.D. is a Hematology & Oncology Physician provider in Naples, FL (NPI 1104809714).
Provider details
- NPI number
- 1104809714
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME78859 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2005-11-29
- Last updated
- 2012-09-13
Frequently asked questions
- What is Brian Walker's NPI number?
- Brian Walker's National Provider Identifier (NPI) is 1104809714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Walker's specialty?
- Brian Walker is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Walker located?
- Brian Walker's practice location on file with NPPES is 681 4th Ave N, Naples, FL 34102-5729.
- What is Brian Walker's phone number?
- The practice phone number listed in the NPPES registry for Brian Walker is (239) 434-2622.
- Is Brian Walker's NPI active?
- Yes — Brian Walker's NPI (1104809714) is active in the NPPES registry as of the last update on 2012-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.