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Internal Medicine

Mehul S. Sonawala, MD

Works at hospitals in Barstow, CA · California

Summary

Dr. Mehul S. Sonawala, MD is an internal medicine doctor at 12555 Central Ave, Suite A, Chino, CA 91710. Phone: (909) 735-2446. Accepts Medicare assignment. In 2024, Mehul S. Sonawala had 29 Original Medicare patients and 84 services. NPI 1336166180. 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: 12555 Central Ave, Suite A, Chino, CA 91710 · Directions (2 more locations)
  • Phone: (909) 735‑2446
  • Medicare: Accepts Medicare assignment
  • Hospital: Barstow Community Hospital
  • Group practice: Cajon Medical Group PC (+1 more)
  • Medical school: graduated 1992 (34 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 Mehul S. Sonawala, 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 Mehul S. Sonawala accept Medicare assignment?
Yes. Medicare's clinician data says Mehul S. Sonawala 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 Mehul S. Sonawala see?
In 2024, CMS data shows 29 Original Medicare patients and 84 services for Mehul S. Sonawala. This counts Original Medicare only and measures volume, not quality.
What is Mehul S. Sonawala's NPI number?
1336166180. 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 Mehul S. Sonawala, 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 patients29
Services billed to Medicare84
Different services or procedures12
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
  2. Telephone medical discussion with physician, 21-30 minutes (99443)16 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 cholesterol55%
  • Diabetes48%
  • Chronic kidney disease38%

Hospitals where Mehul S. Sonawala works

Medicare's Facility Affiliation Data lists Mehul S. Sonawala 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.

  • Barstow Community HospitalBarstow, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050298

Practice locations

Addresses where Mehul S. Sonawala is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mehul S. Sonawala as a member of these groups (CMS data updated October 2, 2026).

  • Cajon Medical Group PC18 clinicians in the group
  • Jessica Basa MD Inc2 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Chino

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

All internal medicine doctors in Chino →

Other clinicians in Cajon Medical Group PC

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

Clinician information

CredentialMD
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1336166180
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