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Internal Medicine

Gisela Vargas, MD

Works at hospitals in Allentown, PA · Pennsylvania

Summary

Dr. Gisela Vargas, MD is an internal medicine doctor at 1200 S Cedar Crest Blvd, Allentown, PA 18103. Phone: (610) 402-8355. Accepts Medicare assignment. In 2024, Gisela Vargas had 209 Original Medicare patients and 602 services. NPI 1275894834. 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: 1200 S Cedar Crest Blvd, Allentown, PA 18103 · Directions (7 more locations)
  • Phone: (610) 402‑8355
  • Medicare: Accepts Medicare assignment
  • Hospital: Lehigh Valley Hospital
  • Group practice: Lehigh Valley Physician Group (+1 more)
  • Medical school: graduated 2012 (14 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 Gisela Vargas, 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 Gisela Vargas accept Medicare assignment?
Yes. Medicare's clinician data says Gisela Vargas 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 Gisela Vargas see?
In 2024, CMS data shows 209 Original Medicare patients and 602 services for Gisela Vargas. This counts Original Medicare only and measures volume, not quality.
What is Gisela Vargas's NPI number?
1275894834. 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 Gisela Vargas, 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 patients209
Services billed to Medicare602
Different services or procedures40
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)101 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)88 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)60 services
  4. 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)36 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 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%
  • Arthritis45%
  • Anxiety31%
  • Chronic kidney disease31%
  • Diabetes29%

Hospitals where Gisela Vargas works

Medicare's Facility Affiliation Data lists Gisela Vargas 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.

  • Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133

Practice locations

Addresses where Gisela Vargas is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

  • 1200 S Cedar Crest BlvdAllentown, PA 18103
  • 1200 S Cedar Crest Blvd 3rd Fl Kasych, Lvpg Burn SurgeryAllentown, PA 18103 (610) 402‑8355
  • 1200 S Cedar Crest Blvd Fl, 1 Lvpg NephrologyAllentown, PA 18103 (610) 402‑8510
  • 1210 S Cedar Crest BlvdAllentown, PA 18103 (610) 402‑3888
  • 1627 Chew StAllentown, PA 18102

Group practices

Medicare enrollment lists Gisela Vargas as a member of these groups (CMS data updated October 2, 2026).

  • Lehigh Valley Physician Group2,542 clinicians in the group
  • Valley Health Partners Community Health Center120 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Allentown

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

All internal medicine doctors in Allentown →

Other clinicians in Lehigh Valley Physician Group

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

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275894834
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