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Physician Assistant

Sarah S. Tharnstrom, PA

Sees patients in Sugar Land, TX · Shenandoah, TX · Texas

Summary

Sarah S. Tharnstrom, PA is a physician assistant at 17510 W Grand Pkwy S, Suite 330, Sugar Land, TX 77479. Phone: (281) 238-3770. Accepts Medicare assignment. In 2024, Sarah S. Tharnstrom had 58 Original Medicare patients and 164 services. NPI 1023725132. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 17510 W Grand Pkwy S, Suite 330, Sugar Land, TX 77479 · Directions (1 more location)
  • Phone: (281) 238‑3770
  • Medicare: Accepts Medicare assignment
  • Group practice: MHS Physicians of Texas
  • School: University Of Texas Medical Branch At Galveston · graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah S. Tharnstrom, 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 Sarah S. Tharnstrom accept Medicare assignment?
Yes. Medicare's clinician data says Sarah S. Tharnstrom 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 Sarah S. Tharnstrom see?
In 2024, CMS data shows 58 Original Medicare patients and 164 services for Sarah S. Tharnstrom. This counts Original Medicare only and measures volume, not quality.
What is Sarah S. Tharnstrom's NPI number?
1023725132. 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 Sarah S. Tharnstrom, 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 patients58
Services billed to Medicare164
Different services or procedures32
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)25 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 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%
  • Arthritis75%
  • Ischemic heart disease43%
  • Anxiety33%
  • Chronic kidney disease33%

Practice locations

Addresses where Sarah S. Tharnstrom is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah S. Tharnstrom as a member of this group (CMS data updated October 2, 2026).

  • MHS Physicians of Texas113 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Texas →

Other physician assistants in Sugar Land

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

All physician assistants in Sugar Land →

Other clinicians in MHS Physicians of Texas

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

Clinician information

CredentialPA
SchoolUniversity Of Texas Medical Branch At Galveston
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023725132
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