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Internal Medicine

Sonia G. Ponce, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Sonia G. Ponce, MD is an internal medicine doctor at 227 Church Ave, Chula Vista, CA 91910. Phone: (619) 754-9500. Accepts Medicare assignment. In 2024, Sonia G. Ponce had 150 Original Medicare patients and 577 services. NPI 1164659033. 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: 227 Church Ave, Chula Vista, CA 91910 · Directions (1 more location)
  • Phone: (619) 754‑9500
  • Medicare: Accepts Medicare assignment
  • Hospital: Scripps Mercy Hospital
  • Group practice: Centro de Salud de la Comunidad de San Ysidro, Inc. (+1 more)
  • Medical school: University Of New Mexico School Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sonia G. Ponce, 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 Sonia G. Ponce accept Medicare assignment?
Yes. Medicare's clinician data says Sonia G. Ponce 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 Sonia G. Ponce see?
In 2024, CMS data shows 150 Original Medicare patients and 577 services for Sonia G. Ponce. This counts Original Medicare only and measures volume, not quality.
What is Sonia G. Ponce's NPI number?
1164659033. 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 Sonia G. Ponce, 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 patients150
Services billed to Medicare577
Different services or procedures41
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)134 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)126 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)84 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 services
  5. Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)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 cholesterol75%
  • Arthritis58%
  • Diabetes53%
  • Heart failure40%
  • Ischemic heart disease39%

Hospitals where Sonia G. Ponce works

Medicare's Facility Affiliation Data lists Sonia G. Ponce 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 Sonia G. Ponce is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sonia G. Ponce as a member of these groups (CMS data updated October 2, 2026).

  • Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group
  • Sonia G Ponce Cardiology a Professional Corporation3 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Chula Vista

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

All internal medicine doctors in Chula Vista →

Other clinicians in Centro de Salud de la Comunidad de San Ysidro, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of New Mexico School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164659033
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