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Internal Medicine

Yohannes Negash, MD

Sees patients in West Columbia, SC · Bluffton, SC · South Carolina

Summary

Dr. Yohannes Negash, MD is an internal medicine doctor at 1053 Ctr St, West Columbia, SC 29169. Phone: (800) 491-0909. Accepts Medicare assignment. In 2024, Yohannes Negash had 662 Original Medicare patients and 24,257 services. NPI 1245296433. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1053 Ctr St, West Columbia, SC 29169 · Directions (1 more location)
  • Phone: (800) 491‑0909
  • Medicare: Accepts Medicare assignment
  • Group practice: SC House Calls Inc
  • Medical school: University Of South Carolina School Of Medicine · graduated 1995 (31 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 Yohannes Negash, 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 Yohannes Negash accept Medicare assignment?
Yes. Medicare's clinician data says Yohannes Negash 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 Yohannes Negash see?
In 2024, CMS data shows 662 Original Medicare patients and 24,257 services for Yohannes Negash. This counts Original Medicare only and measures volume, not quality.
What is Yohannes Negash's NPI number?
1245296433. 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 Yohannes Negash, 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 patients662
Services billed to Medicare24,257
Different services or procedures21
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)16,242 services
  2. Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)2,778 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,175 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)1,284 services
  5. Advance care planning, first 30 minutes (99497)569 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%
  • Arthritis57%
  • Chronic kidney disease55%
  • Diabetes52%
  • Depression48%

Practice locations

Addresses where Yohannes Negash is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Yohannes Negash as a member of this group (CMS data updated October 2, 2026).

  • SC House Calls Inc432 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in West Columbia

Clinicians with the same Medicare primary specialty in West Columbia, SC — not a recommendation.

All internal medicine doctors in West Columbia →

Other clinicians in SC House Calls Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1245296433
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