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Internal Medicine

David R. Trevino, MD

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

Summary

Dr. David R. Trevino, MD is an internal medicine doctor at 255 W Lancaster Ave, Mob II Suite 121, Paoli, PA 19301. Phone: (610) 647-8885. Accepts Medicare assignment. In 2024, David R. Trevino had 123 Original Medicare patients and 299 services. NPI 1215918990. 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: 255 W Lancaster Ave, Mob II Suite 121, Paoli, PA 19301 · Directions
  • Phone: (610) 647‑8885
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Paoli Hospital
  • Medical school: graduated 1974 (52 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about David R. Trevino, 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 David R. Trevino accept Medicare assignment?
Yes. Medicare's clinician data says David R. Trevino 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 David R. Trevino see?
In 2024, CMS data shows 123 Original Medicare patients and 299 services for David R. Trevino. This counts Original Medicare only and measures volume, not quality.
What is David R. Trevino's NPI number?
1215918990. 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 David R. Trevino, 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 patients123
Services billed to Medicare299
Different services or procedures13
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)103 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)67 services
  3. Administration of influenza virus vaccine (G0008)32 services
  4. Influenza vaccine split virus, preservative free (90662)31 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)24 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 pressure61%
  • Arthritis38%
  • Ischemic heart disease28%
  • Osteoporosis24%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%

Hospitals where David R. Trevino works

Medicare's Facility Affiliation Data lists David R. Trevino 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
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153

Practice locations

Addresses where David R. Trevino is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Paoli

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

All internal medicine doctors in Paoli →

Clinician information

CredentialMD
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215918990
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