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Family Practice

Gerardo R. Guba, MD

Sees patients in Anaheim, CA · Arcadia, CA · Carson, CA … · California, Nevada

Summary

Dr. Gerardo R. Guba, MD is a family doctor at 1236 N Magnolia Ave, Anaheim, CA 92801. Phone: (714) 995-1000. Accepts Medicare assignment. In 2024, Gerardo R. Guba had 77 Original Medicare patients and 286 services. NPI 1164402632. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1236 N Magnolia Ave, Anaheim, CA 92801 · Directions (4 more locations)
  • Phone: (714) 995‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: Healthcare Partners Affiliates Medical Group
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gerardo R. Guba, 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 R. Guba accept Medicare assignment?
Yes. Medicare's clinician data says Gerardo R. Guba 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 R. Guba see?
In 2024, CMS data shows 77 Original Medicare patients and 286 services for Gerardo R. Guba. This counts Original Medicare only and measures volume, not quality.
What is Gerardo R. Guba's NPI number?
1164402632. 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 R. Guba, 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 patients77
Services billed to Medicare286
Different services or procedures22
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)124 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 services
  4. Telephone medical discussion with physician, 5-10 minutes (99441)15 services
  5. Telephone medical discussion with physician, 11-20 minutes (99442)13 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 cholesterol70%
  • Diabetes34%
  • Arthritis30%
  • Ischemic heart disease25%
  • Heart failure23%

Practice locations

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

Group practices

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

  • Healthcare Partners Affiliates Medical Group754 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Anaheim

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

All family doctors in Anaheim →

Other clinicians in Healthcare Partners Affiliates Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164402632
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians