Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Clifton R. Ewbank, MD

Works at hospitals in National City, CA · San Diego, CA · Chula Vista, CA · California

Summary

Dr. Clifton R. Ewbank, MD is a general surgeon at 435 H St, Chula Vista, CA 91910. Phone: (619) 359-6600. Accepts Medicare assignment. In 2024, Clifton R. Ewbank had 103 Original Medicare patients and 301 services. NPI 1043369416. 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 Clifton R. Ewbank, 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 Clifton R. Ewbank accept Medicare assignment?
Yes. Medicare's clinician data says Clifton R. Ewbank 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 Clifton R. Ewbank see?
In 2024, CMS data shows 103 Original Medicare patients and 301 services for Clifton R. Ewbank. This counts Original Medicare only and measures volume, not quality.
What is Clifton R. Ewbank's NPI number?
1043369416. 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 Clifton R. Ewbank, 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 patients103
Services billed to Medicare301
Different services or procedures29
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)155 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)43 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)15 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)11 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%
  • Diabetes58%
  • Arthritis44%
  • Chronic kidney disease42%
  • Ischemic heart disease37%

Hospitals where Clifton R. Ewbank works

Medicare's Facility Affiliation Data lists Clifton R. Ewbank 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.

  • Paradise Valley HospitalNational City, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050024
  • Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
  • Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050222

Practice locations

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

Group practices

Medicare enrollment lists Clifton R. Ewbank as a member of these groups (CMS data updated October 2, 2026).

  • Emergency and Acute Care Medical Corporation422 clinicians in the group
  • On Call Specialists Medical Group of San Diego Inc144 clinicians in the group
  • Coast Surgical Group a Medical Corporation7 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Chula Vista

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

All general surgeons in Chula Vista →

Other clinicians in Emergency and Acute Care Medical Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043369416
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