William Hammond, M.D.
NPI 1932426590 · Medical Oncology Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hammond, M.D. is a Medical Oncology Physician provider in Jacksonville, FL (NPI 1932426590).
Provider details
- NPI number
- 1932426590
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME119235 (FL)
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 tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
869 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 417 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 176 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 145 | $178 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 62 | $115 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-22
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is William Hammond's NPI number?
- William Hammond's National Provider Identifier (NPI) is 1932426590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hammond's specialty?
- William Hammond is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Hammond located?
- William Hammond's practice location on file with NPPES is 1301 Palm Ave Ste 600, Jacksonville, FL 32207-8432.
- What is William Hammond's phone number?
- The practice phone number listed in the NPPES registry for William Hammond is (904) 202-7300.
- Does William Hammond accept Medicare?
- William Hammond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hammond's NPI active?
- Yes — William Hammond's NPI (1932426590) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.