Willemijntje Hoogerwerf, MD
NPI 1548348089 · Gastroenterology Physician · St Augustine, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willemijntje Hoogerwerf, MD is a Gastroenterology Physician provider in St Augustine, FL (NPI 1548348089).
Provider details
- NPI number
- 1548348089
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME 104402 (FL)
Specialties & taxonomies
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
1,718 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 | 586 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 240 | $76 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 170 | $164 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 143 | $87 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 143 | $249 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 267 | 108 |
| Omeprazole | 233 | 80 |
| Pantoprazole Sodium | 197 | 80 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 177 | 173 |
| Colestipol Hcl | 101 | 32 |
| Sucralfate | 53 | 21 |
| Metronidazole | 44 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,727 across 82 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
- 2011-05-24
Frequently asked questions
- What is Willemijntje Hoogerwerf's NPI number?
- Willemijntje Hoogerwerf's National Provider Identifier (NPI) is 1548348089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willemijntje Hoogerwerf's specialty?
- Willemijntje Hoogerwerf is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Willemijntje Hoogerwerf located?
- Willemijntje Hoogerwerf's practice location on file with NPPES is 100 Whetstone Pl, St Augustine, FL 32086-5774.
- What is Willemijntje Hoogerwerf's phone number?
- The practice phone number listed in the NPPES registry for Willemijntje Hoogerwerf is (904) 829-9557.
- Does Willemijntje Hoogerwerf accept Medicare?
- Willemijntje Hoogerwerf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willemijntje Hoogerwerf's NPI active?
- Yes — Willemijntje Hoogerwerf's NPI (1548348089) is active in the NPPES registry as of the last update on 2011-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.