Howard Katzenstein, MD
NPI 1316969512 · Pediatric Hematology & Oncology Physician · Jacksonville, FL
Howard Katzenstein, MD is a Pediatric Hematology & Oncology Physician provider in Jacksonville, FL (NPI 1316969512).
Provider details
- NPI number
- 1316969512
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C1-0012772 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 1600 Rockland RdWilmington, DE 19803-3607Phone: (302) 651-4200Fax: (302) 651-4945
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2020-03-10
- Certified
- 2020-03-10
Frequently asked questions
- What is Howard Katzenstein's NPI number?
- Howard Katzenstein's National Provider Identifier (NPI) is 1316969512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Katzenstein's specialty?
- Howard Katzenstein is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Katzenstein located?
- Howard Katzenstein's practice location on file with NPPES is 807 Childrens Way, Jacksonville, FL 32207-8426.
- What is Howard Katzenstein's phone number?
- The practice phone number listed in the NPPES registry for Howard Katzenstein is (904) 697-3600.
- Is Howard Katzenstein's NPI active?
- Yes — Howard Katzenstein's NPI (1316969512) is active in the NPPES registry as of the last update on 2020-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.