NPPES file of Aug 9, 2026

Howard M. Katzenstein, MD

Pediatric Hematology & Oncology Physician · Jacksonville, FL

Howard M. Katzenstein, MD is a pediatric hematology & oncology physician with a practice address in Jacksonville, Florida, and NPI 1316969512, issued on Jul 24, 2006. Check the license (Florida ME131882, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316969512
Name
Howard M. Katzenstein
Credential
MD
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License numbers
ME131882 FL
C1-0012772 DE
MD50222 TN
Self-reported in NPPES; status is on the state search
Practice location
807 Childrens Way, Jacksonville, FL 32207
Phone
(904) 697-3600
Enumerated
Jul 24, 2006
Record last updated
Mar 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(904) 697-3927
Medicaid IDs
000951464 GA
020966200 FL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pediatric hematology & oncology physician records → All 163 in Florida → Look up another NPI →

Also registered at 807 Childrens Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deborah Abram, MDHospitalist Physician1306937313
  2. Harry Abram, MDNeurology with Special Qualifications in Child Neurology Physician1427069947
  3. Adebisi Ajala, MDPediatric Anesthesiology Physician1114005378
  4. Andrea Ali-Panzarella, DOPediatrics Physician1528364908
  5. Grace Alleman, SLPSpeech-Language Pathologist1033620406
  6. Marielle Amoli, MDPediatric Orthopaedic Surgery Physician1134447030

Verify Howard M. Katzenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME131882    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

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Howard M. Katzenstein among 163 pediatric hematology & oncology physician records in Florida

Howard M. Katzenstein, MD is one of 163 pediatric hematology & oncology physician records with a practice address in Florida. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileNo · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2020 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in Florida

There are 163 pediatric hematology & oncology physician records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 163 in Florida → Every provider in Jacksonville → Pediatric Hematology & Oncology Physician nationwide →

The 8 pediatric hematology & oncology physician records with the nearest ZIP codes

  1. Manisha Bansal, MDJacksonville, FL 322071639258486
  2. Allison Bechtel, D.O.Jacksonville, FL 322071245596303
  3. Scott Bradfield, MDJacksonville, FL 322071972514495
  4. Anderson Collier, MDJacksonville, FL 322071992892020
  5. Cynthia Gauger, MDJacksonville, FL 322071417048422
  6. Darren Klawinski, MDJacksonville, FL 322071457763096
  7. Paul Pitel, MDJacksonville, FL 322071891886818
  8. Anna RaleyJacksonville, FL 322071750083093

Common questions

What is Howard M. Katzenstein, MD's NPI number?

Howard M. Katzenstein, MD's National Provider Identifier (NPI) is 1316969512, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Howard M. Katzenstein, MD located?

The NPPES record lists a practice address at 807 Childrens Way, Jacksonville, FL, 32207. Phone: (904) 697-3600. Providers update this record themselves, so call before visiting.

How can I verify Howard M. Katzenstein, MD's license?

NPPES lists Florida license number ME131882, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.