William Jacobs, MD
NPI 1356428585 · Emergency Medicine Physician · Green Cove Springs, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Jacobs, MD is a Emergency Medicine Physician provider in Green Cove Springs, FL (NPI 1356428585).
Provider details
- NPI number
- 1356428585
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME0047311 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,695 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,246 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 243 | $88 |
| Urinalysis, Manual Test81002 | 121 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 52 | $109 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 33 | $52 |
Typical Medicare-allowed amounts for these services range $3–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 418 | 52 |
| Alprazolam | 271 | 43 |
| Azithromycin | 253 | 135 |
| Fluconazole | 253 | 114 |
| Amoxicillin | 205 | 122 |
| Amlodipine Besylate | 168 | 62 |
| Prednisone | 163 | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-11-06
Frequently asked questions
- What is William Jacobs's NPI number?
- William Jacobs's National Provider Identifier (NPI) is 1356428585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Jacobs's specialty?
- William Jacobs is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Jacobs located?
- William Jacobs's practice location on file with NPPES is 3185 Highway 17, Green Cove Springs, FL 32043-9371.
- What is William Jacobs's phone number?
- The practice phone number listed in the NPPES registry for William Jacobs is (904) 284-4222.
- Does William Jacobs accept Medicare?
- William Jacobs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Jacobs's NPI active?
- Yes — William Jacobs's NPI (1356428585) is active in the NPPES registry as of the last update on 2007-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.