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

Internal Medicine

Caitlin Greenberg, DO

Works at hospitals in Charleston, SC · Mount Pleasant, SC · South Carolina

Summary

Dr. Caitlin Greenberg, DO is an internal medicine doctor at 2095 Henry Tecklenburg Dr, Charleston, SC 29414. Phone: (843) 402-1006. Accepts Medicare assignment. In 2024, Caitlin Greenberg had 394 Original Medicare patients and 978 services. NPI 1174063325. 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 Caitlin Greenberg, 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 Caitlin Greenberg accept Medicare assignment?
Yes. Medicare's clinician data says Caitlin Greenberg 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 Caitlin Greenberg see?
In 2024, CMS data shows 394 Original Medicare patients and 978 services for Caitlin Greenberg. This counts Original Medicare only and measures volume, not quality.
What is Caitlin Greenberg's NPI number?
1174063325. 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 Caitlin Greenberg, 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 patients394
Services billed to Medicare978
Different services or procedures14
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)425 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)234 services
  3. Hospital discharge day management, more than 30 minutes (99239)168 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)76 services
  5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)29 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%
  • Arthritis60%
  • Chronic kidney disease45%
  • Heart failure45%
  • Anxiety44%

Hospitals where Caitlin Greenberg works

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

Group practices

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

  • 24 on Physicians of SC LLC141 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Charleston

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

All internal medicine doctors in Charleston →

Other clinicians in 24 on Physicians of SC LLC

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

Clinician information

CredentialDO
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174063325
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