Margaret Mathews-D'Avanzo
NPI 1013160399 · Family Nurse Practitioner · Delray Beach, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mathews-D'Avanzo is a Family Nurse Practitioner provider in Delray Beach, FL (NPI 1013160399).
Provider details
- NPI number
- 1013160399
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2157962 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
994 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 363 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 268 | $110 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 88 | $145 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 77 | $9 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 72 | $97 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 394 | 177 |
| Famotidine | 212 | 86 |
| Omeprazole | 168 | 74 |
| Dicyclomine Hcl | 54 | 29 |
| Sucralfate | 44 | 27 |
| Esomeprazole Magnesium | 37 | 11 |
| Colestipol Hcl | 26 | 13 |
| Ondansetronbrand: Ondansetron Odt |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,832 across 132 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
- 2008-10-30
- Last updated
- 2008-10-30
Frequently asked questions
- What is Margaret Mathews-D'Avanzo's NPI number?
- Margaret Mathews-D'Avanzo's National Provider Identifier (NPI) is 1013160399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mathews-D'Avanzo's specialty?
- Margaret Mathews-D'Avanzo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mathews-D'Avanzo located?
- Margaret Mathews-D'Avanzo's practice location on file with NPPES is 4675 Linton Boulveard, Delray Beach, FL 33445.
- What is Margaret Mathews-D'Avanzo's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mathews-D'Avanzo is (561) 495-5700.
- Does Margaret Mathews-D'Avanzo accept Medicare?
- Margaret Mathews-D'Avanzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mathews-D'Avanzo's NPI active?
- Yes — Margaret Mathews-D'Avanzo's NPI (1013160399) is active in the NPPES registry as of the last update on 2008-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.