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Family Practice

Mary H. Sherk, MD

Works at hospitals in Lake Charles, LA · Sulphur, LA · Louisiana

Summary

Dr. Mary H. Sherk, MD is a family doctor at 1000 Walters St, Lake Charles, LA 70607. Phone: (337) 480-8066. Accepts Medicare assignment. In 2024, Mary H. Sherk had 165 Original Medicare patients and 335 services. NPI 1326014739. 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 Mary H. Sherk, 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 H. Sherk accept Medicare assignment?
Yes. Medicare's clinician data says Mary H. Sherk 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 H. Sherk see?
In 2024, CMS data shows 165 Original Medicare patients and 335 services for Mary H. Sherk. This counts Original Medicare only and measures volume, not quality.
What is Mary H. Sherk's NPI number?
1326014739. 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 H. Sherk, 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 patients165
Services billed to Medicare335
Different services or procedures7
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)231 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 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 cholesterol68%
  • Chronic kidney disease52%
  • Diabetes41%
  • Arthritis35%
  • Ischemic heart disease33%

Hospitals where Mary H. Sherk works

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

Group practices

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

  • LCMS Rehabilitation Institute of Southwest Louisiana34 clinicians in the group

Specialties

Find other Family Practice doctors in Louisiana →

Other family doctors in Lake Charles

Clinicians with the same Medicare primary specialty in Lake Charles, LA — not a recommendation.

All family doctors in Lake Charles →

Other clinicians in LCMS Rehabilitation Institute of Southwest Louisiana

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

Clinician information

CredentialMD
Medical schoolDrexel University College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326014739
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