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Physician Assistant

Mary L. Halbritter

Works at hospitals in Charleston, SC · South Carolina

Summary

Mary L. Halbritter is a physician assistant at 3000 Saint Matthews Rd, Orangeburg, SC 29118. Phone: (803) 395-3400. Accepts Medicare assignment. In 2024, Mary L. Halbritter had 63 Original Medicare patients and 68 services. NPI 1578711081. 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: Physician assistant
  • Address: 3000 Saint Matthews Rd, Orangeburg, SC 29118 · Directions (1 more location)
  • Phone: (803) 395‑3400
  • Medicare: Accepts Medicare assignment
  • Hospital: MUSC Medical Center
  • Group practice: MUSC Community Physicians
  • School: Medical University Of South Carolina College Of Medicine · graduated 2008
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary L. Halbritter, 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 Mary L. Halbritter accept Medicare assignment?
Yes. Medicare's clinician data says Mary L. Halbritter 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 Mary L. Halbritter see?
In 2024, CMS data shows 63 Original Medicare patients and 68 services for Mary L. Halbritter. This counts Original Medicare only and measures volume, not quality.
What is Mary L. Halbritter's NPI number?
1578711081. 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 Mary L. Halbritter, 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 patients63
Services billed to Medicare68
Different services or procedures4
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)37 services
  2. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)20 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%
  • Arthritis52%
  • Anxiety52%
  • Chronic kidney disease52%
  • Alzheimer's disease or dementia51%

Hospitals where Mary L. Halbritter works

Medicare's Facility Affiliation Data lists Mary L. Halbritter 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.

  • MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004

Practice locations

Addresses where Mary L. Halbritter is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary L. Halbritter as a member of this group (CMS data updated October 2, 2026).

  • MUSC Community Physicians1,544 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, South Carolina →

Other physician assistants in Orangeburg

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

All physician assistants in Orangeburg →

Other clinicians in MUSC Community Physicians

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

Clinician information

SchoolMedical University Of South Carolina College Of Medicine
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578711081
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