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Pathology

Vivian Arguello Guerra, MD

Works at hospitals in Pennington, NJ · Trenton, NJ · New Jersey

Summary

Dr. Vivian Arguello Guerra, MD is a pathologist at 1 Capital Way, Pennington, NJ 08534. Phone: (609) 303-4244. Accepts Medicare assignment. In 2024, Vivian Arguello Guerra had 349 Original Medicare patients and 1,510 services. NPI 1174786685. 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 Vivian Arguello Guerra, 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 Vivian Arguello Guerra accept Medicare assignment?
Yes. Medicare's clinician data says Vivian Arguello Guerra 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 Vivian Arguello Guerra see?
In 2024, CMS data shows 349 Original Medicare patients and 1,510 services for Vivian Arguello Guerra. This counts Original Medicare only and measures volume, not quality.
What is Vivian Arguello Guerra's NPI number?
1174786685. 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 Vivian Arguello Guerra, 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 patients349
Services billed to Medicare1,510
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)618 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)277 services
  3. Special stained specimen slides to examine tissue, initial procedure (88342)165 services
  4. Special stained specimen slides to examine tissue including interpretation and report (88313)81 services
  5. Pathology examination of tissue using a microscope, moderately high complexity (88307)71 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%
  • Arthritis49%
  • Ischemic heart disease36%
  • Diabetes35%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)30%

Hospitals where Vivian Arguello Guerra works

Medicare's Facility Affiliation Data lists Vivian Arguello Guerra 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 Vivian Arguello Guerra is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vivian Arguello Guerra as a member of this group (CMS data updated October 2, 2026).

  • Capital Health Medical Group440 clinicians in the group

Specialties

Find other Pathology doctors in New Jersey →

Other pathologists in Pennington

Clinicians with the same Medicare primary specialty in Pennington, NJ — not a recommendation.

All pathologists in Pennington →

Other clinicians in Capital Health Medical Group

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174786685
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