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Nurse Practitioner

Samantha L. Demarco, NP

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

Summary

Samantha L. Demarco, NP is a nurse practitioner at 110 N 8th St, Suite 104, Philadelphia, PA 19107. Phone: (484) 427-8000. Accepts Medicare assignment. In 2024, Samantha L. Demarco had 547 Original Medicare patients and 1,280 services. NPI 1285209338. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Samantha L. Demarco, 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 Samantha L. Demarco accept Medicare assignment?
Yes. Medicare's clinician data says Samantha L. Demarco 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 Samantha L. Demarco see?
In 2024, CMS data shows 547 Original Medicare patients and 1,280 services for Samantha L. Demarco. This counts Original Medicare only and measures volume, not quality.
What is Samantha L. Demarco's NPI number?
1285209338. 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 Samantha L. Demarco, 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 patients547
Services billed to Medicare1,280
Different services or procedures42
Participating Medicare providerYes
Average age of these patients81

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)403 services
  2. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)148 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)141 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)90 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)50 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%
  • Arthritis55%
  • Ischemic heart disease33%
  • Osteoporosis31%
  • Depression26%

Hospitals where Samantha L. Demarco works

Medicare's Facility Affiliation Data lists Samantha L. Demarco 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
  • 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 Samantha L. Demarco is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samantha L. Demarco as a member of these groups (CMS data updated October 2, 2026).

  • Main Line Healthcare1,184 clinicians in the group
  • Methodist Associates in Healthcare, Inc390 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Philadelphia

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

All nurse practitioners in Philadelphia →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialNP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285209338
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