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Internal Medicine

Marcia D. Fagerberg, MD

Sees patients in Kyle, TX · Texas

Summary

Dr. Marcia D. Fagerberg, MD is an internal medicine doctor at 4100 Everett, 400 Arc Kyle, Kyle, TX 78640. Phone: (512) 295-1333. Accepts Medicare assignment. In 2024, Marcia D. Fagerberg had 746 Original Medicare patients and 3,534 services. NPI 1235144395. 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: 4100 Everett, 400 Arc Kyle, Kyle, TX 78640 · Directions
  • Phone: (512) 295‑1333
  • Medicare: Accepts Medicare assignment
  • Group practice: Austin Regional Clinic PA
  • Medical school: Pennsylvania State University College Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marcia D. Fagerberg, 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 Marcia D. Fagerberg accept Medicare assignment?
Yes. Medicare's clinician data says Marcia D. Fagerberg 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 Marcia D. Fagerberg see?
In 2024, CMS data shows 746 Original Medicare patients and 3,534 services for Marcia D. Fagerberg. This counts Original Medicare only and measures volume, not quality.
What is Marcia D. Fagerberg's NPI number?
1235144395. 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 Marcia D. Fagerberg, 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 patients746
Services billed to Medicare3,534
Different services or procedures118
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Dxa bone density measurement of hip, pelvis, spine (77080)506 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)426 services
  3. 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)254 services
  4. Blood test, comprehensive group of blood chemicals (80053)251 services
  5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)242 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 pressure61%
  • Arthritis38%
  • Diabetes25%
  • Depression23%
  • Anxiety21%

Practice locations

Addresses where Marcia D. Fagerberg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marcia D. Fagerberg as a member of this group (CMS data updated October 2, 2026).

  • Austin Regional Clinic PA397 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Kyle

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

All internal medicine doctors in Kyle →

Other clinicians in Austin Regional Clinic PA

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

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235144395
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