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Family Practice

Gerardo Guerra Bonilla, MD

Works at hospitals in Vacaville, CA · California

Summary

Dr. Gerardo Guerra Bonilla, MD is a family doctor at 1600 Eureka Rd, Roseville, CA 95661. Phone: (916) 784-4000. Accepts Medicare assignment. In 2024, Gerardo Guerra Bonilla had 35 Original Medicare patients and 38 services. NPI 1265774848. 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 Gerardo Guerra Bonilla, 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 Gerardo Guerra Bonilla accept Medicare assignment?
Yes. Medicare's clinician data says Gerardo Guerra Bonilla 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 Gerardo Guerra Bonilla see?
In 2024, CMS data shows 35 Original Medicare patients and 38 services for Gerardo Guerra Bonilla. This counts Original Medicare only and measures volume, not quality.
What is Gerardo Guerra Bonilla's NPI number?
1265774848. 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 Gerardo Guerra Bonilla, 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 patients35
Services billed to Medicare38
Different services or procedures5
Participating Medicare providerYes
Average age of these patients64

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)28 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 cholesterol63%
  • Chronic kidney disease49%
  • Diabetes43%
  • Arthritis43%
  • Depression31%

Hospitals where Gerardo Guerra Bonilla works

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

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Roseville

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

All family doctors in Roseville →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265774848
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