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Anesthesiology

Maggie A. Jeffries, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Maggie A. Jeffries, MD is an anesthesiologist at 2855 Gramercy St, Houston, TX 77025. Phone: (281) 348-0400. Accepts Medicare assignment. In 2024, Maggie A. Jeffries had 462 Original Medicare patients and 486 services. NPI 1568500106. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 2855 Gramercy St, Houston, TX 77025 · Directions
  • Phone: (281) 348‑0400
  • Medicare: Accepts Medicare assignment
  • Group practice: Compass Anesthesia Providers, PLLC
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maggie A. Jeffries, 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 Maggie A. Jeffries accept Medicare assignment?
Yes. Medicare's clinician data says Maggie A. Jeffries 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 Maggie A. Jeffries see?
In 2024, CMS data shows 462 Original Medicare patients and 486 services for Maggie A. Jeffries. This counts Original Medicare only and measures volume, not quality.
What is Maggie A. Jeffries's NPI number?
1568500106. 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 Maggie A. Jeffries, 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 patients462
Services billed to Medicare486
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for lens surgery (00142)394 services
  2. Anesthesia for other procedure on eye (00140)43 services
  3. Anesthesia for retinal surgery (00145)24 services
  4. Anesthesia for procedure on eyelid (00103)13 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 cholesterol75%
  • High blood pressure69%
  • Arthritis39%
  • Diabetes27%
  • Ischemic heart disease27%
  • Chronic kidney disease23%

Practice locations

Addresses where Maggie A. Jeffries is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maggie A. Jeffries as a member of this group (CMS data updated October 2, 2026).

  • Compass Anesthesia Providers, PLLC165 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All anesthesiologists in Houston →

Other clinicians in Compass Anesthesia Providers, PLLC

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568500106
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