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Family Practice

Maria Dos Santos, MD

Works at hospitals in Newark, DE · Delaware

Summary

Dr. Maria Dos Santos, MD is a family doctor at 4512 Kirkwood Hwy, Suite 300, Wilmington, DE 19808. Phone: (302) 623-7500. Accepts Medicare assignment. In 2024, Maria Dos Santos had 126 Original Medicare patients and 421 services. NPI 1053872341. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 4512 Kirkwood Hwy, Suite 300, Wilmington, DE 19808 · Directions
  • Phone: (302) 623‑7500
  • Medicare: Accepts Medicare assignment
  • Hospital: Christiana Hospital
  • Group practice: Christiana Care Health Services Inc
  • Medical school: New York Medical College · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria Dos Santos, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Maria Dos Santos accept Medicare assignment?
Yes. Medicare's clinician data says Maria Dos Santos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Maria Dos Santos see?
In 2024, CMS data shows 126 Original Medicare patients and 421 services for Maria Dos Santos. This counts Original Medicare only and measures volume, not quality.
What is Maria Dos Santos's NPI number?
1053872341. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Maria Dos Santos, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients126
Services billed to Medicare421
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)57 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)29 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 services
  5. Hemoglobin a1c level (83036)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis37%
  • Diabetes35%
  • Depression21%
  • Chronic kidney disease21%

Hospitals where Maria Dos Santos works

Medicare's Facility Affiliation Data lists Maria Dos Santos at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001

Practice locations

Addresses where Maria Dos Santos is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria Dos Santos as a member of this group (CMS data updated October 2, 2026).

  • Christiana Care Health Services Inc1,483 clinicians in the group

Specialties

Find other Family Practice doctors in Delaware →

Other family doctors in Wilmington

Clinicians with the same Medicare primary specialty in Wilmington, DE — not a recommendation.

All family doctors in Wilmington →

Other clinicians in Christiana Care Health Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053872341
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians