Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Maria C. Dela Rosa, MD

Works at hospitals in Aurora, MO · Springfield, MO · Missouri

Summary

Dr. Maria C. Dela Rosa, MD is an internal medicine doctor at 1965 S Fremont Ave, 350 Mc Internal Medicine S Fremont, Springfield, MO 65804. Phone: (417) 820-3500. Accepts Medicare assignment. In 2024, Maria C. Dela Rosa had 250 Original Medicare patients and 1,489 services. NPI 1114069168. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1965 S Fremont Ave, 350 Mc Internal Medicine S Fremont, Springfield, MO 65804 · Directions (1 more location)
  • Phone: (417) 820‑3500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mercy Hospital Aurora, Mercy Hospital Springfield
  • Group practice: Mercy Clinic Springfield Communities (+1 more)
  • Medical school: graduated 1990 (36 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Maria C. Dela Rosa, 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 C. Dela Rosa accept Medicare assignment?
Yes. Medicare's clinician data says Maria C. Dela Rosa 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 C. Dela Rosa see?
In 2024, CMS data shows 250 Original Medicare patients and 1,489 services for Maria C. Dela Rosa. This counts Original Medicare only and measures volume, not quality.
What is Maria C. Dela Rosa's NPI number?
1114069168. 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 C. Dela Rosa, 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 patients250
Services billed to Medicare1,489
Different services or procedures36
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)391 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)178 services
  3. Administration of influenza virus vaccine (G0008)71 services
  4. Influenza vaccine split virus, preservative free (90662)68 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)58 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 cholesterol75%
  • High blood pressure74%
  • Arthritis57%
  • Chronic kidney disease33%
  • Anxiety32%
  • Depression29%

Hospitals where Maria C. Dela Rosa works

Medicare's Facility Affiliation Data lists Maria C. Dela Rosa 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.

Practice locations

Addresses where Maria C. Dela Rosa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria C. Dela Rosa as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Clinic Springfield Communities1,120 clinicians in the group
  • Cherry Health Center, LLC90 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Springfield

Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.

All internal medicine doctors in Springfield →

Other clinicians in Mercy Clinic Springfield Communities

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

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114069168
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