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Gastroenterology

Lino J. Deguzman, MD

Works at hospitals in Newport Beach, CA · California

Summary

Dr. Lino J. Deguzman, MD is a gastroenterologist at 1 Hoag Dr, Newport Beach, CA 92663. Phone: (949) 764-4624. Accepts Medicare assignment. In 2024, Lino J. Deguzman had 275 Original Medicare patients and 1,471 services. NPI 1346324720. 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: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 1 Hoag Dr, Newport Beach, CA 92663 · Directions (1 more location)
  • Phone: (949) 764‑4624
  • Medicare: Accepts Medicare assignment
  • Hospital: Hoag Memorial Hospital Presbyterian
  • Medical school: graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Lino J. Deguzman, 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 Lino J. Deguzman accept Medicare assignment?
Yes. Medicare's clinician data says Lino J. Deguzman 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 Lino J. Deguzman see?
In 2024, CMS data shows 275 Original Medicare patients and 1,471 services for Lino J. Deguzman. This counts Original Medicare only and measures volume, not quality.
What is Lino J. Deguzman's NPI number?
1346324720. 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 Lino J. Deguzman, 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 patients275
Services billed to Medicare1,471
Different services or procedures36
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)724 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)95 services
  3. Special stained specimen slides to identify organisms including interpretation and report (88312)93 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)93 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)81 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 pressure69%
  • Arthritis44%
  • Ischemic heart disease27%
  • Anxiety24%
  • Osteoporosis23%

Hospitals where Lino J. Deguzman works

Medicare's Facility Affiliation Data lists Lino J. Deguzman 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 Lino J. Deguzman is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Newport Beach

Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.

All gastroenterologists in Newport Beach →

Clinician information

CredentialMD
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346324720
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