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Interventional Cardiology

Mara F. Caroline, MD

Works at hospitals in Bryn Mawr, PA · West Chester, PA · Wynnewood, PA … · Pennsylvania

Summary

Dr. Mara F. Caroline, MD is an interventional cardiologist at 100 E Lancaster Ave, Wynewood, PA 19096. Phone: (610) 566-9400. Accepts Medicare assignment. In 2024, Mara F. Caroline had 767 Original Medicare patients and 2,179 services. NPI 1215249909. 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: Interventional cardiologist (Medicare lists Interventional Cardiology)
  • Address: 100 E Lancaster Ave, Wynewood, PA 19096 · Directions (6 more locations)
  • Phone: (610) 566‑9400
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Chester County Hospital, Main Line Hospital Lankenau and 2 more
  • Group practice: Main Line Healthcare
  • Medical school: Temple University School Of Medicine · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mara F. Caroline, 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 Mara F. Caroline accept Medicare assignment?
Yes. Medicare's clinician data says Mara F. Caroline 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 Mara F. Caroline see?
In 2024, CMS data shows 767 Original Medicare patients and 2,179 services for Mara F. Caroline. This counts Original Medicare only and measures volume, not quality.
What is Mara F. Caroline's NPI number?
1215249909. 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 Mara F. Caroline, 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 patients767
Services billed to Medicare2,179
Different services or procedures69
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)537 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)377 services
  3. Critical care, first 30-74 minutes (99291)191 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)167 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)152 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%
  • Ischemic heart disease74%
  • Arthritis50%
  • Heart failure34%
  • Chronic kidney disease31%

Hospitals where Mara F. Caroline works

Medicare's Facility Affiliation Data lists Mara F. Caroline 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

Addresses where Mara F. Caroline is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

  • 100 E Lancaster AveWynewood, PA 19096
  • 1068 W Baltimore PikeMedia, PA 19063 (610) 566‑9400
  • 1068 W Baltimore Pike, Rmh House Phys GroupMedia, PA 19063 (610) 627‑4216
  • 130 S Bryn Mawr AveBryn Mawr, PA 19010
  • 130 S Bryn Mawr Ave H, 321 Gvh Hospital Medical Services BrynBryn Mawr, PA 19010 (484) 337‑4097

Group practices

Medicare enrollment lists Mara F. Caroline as a member of this group (CMS data updated October 2, 2026).

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Interventional Cardiology doctors in Pennsylvania →

Other interventional cardiologists in Wynewood

Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.

All interventional cardiologists in Wynewood →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215249909
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