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Physician Assistant

Nishita M. Cornyn, PA

Sees patients in Austin, TX · Texas

Summary

Nishita M. Cornyn, PA is a physician assistant at 4544 S Lamar Blvd, Suite 620, Austin, TX 78745. Phone: (512) 448-4588. Accepts Medicare assignment. In 2024, Nishita M. Cornyn had 126 Original Medicare patients and 167 services. NPI 1952994592. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 4544 S Lamar Blvd, Suite 620, Austin, TX 78745 · Directions
  • Phone: (512) 448‑4588
  • Medicare: Accepts Medicare assignment
  • Group practice: Austin Gastroenterology PLLC
  • School: graduated 2020
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nishita M. Cornyn, 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 Nishita M. Cornyn accept Medicare assignment?
Yes. Medicare's clinician data says Nishita M. Cornyn 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 Nishita M. Cornyn see?
In 2024, CMS data shows 126 Original Medicare patients and 167 services for Nishita M. Cornyn. This counts Original Medicare only and measures volume, not quality.
What is Nishita M. Cornyn's NPI number?
1952994592. 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 Nishita M. Cornyn, 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 patients126
Services billed to Medicare167
Different services or procedures5
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)81 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)48 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)27 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 pressure67%
  • Arthritis59%
  • Ischemic heart disease40%
  • Anxiety32%
  • Depression29%

Practice locations

Addresses where Nishita M. Cornyn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nishita M. Cornyn as a member of this group (CMS data updated October 2, 2026).

  • Austin Gastroenterology PLLC76 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Texas →

Other physician assistants in Austin

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

All physician assistants in Austin →

Other clinicians in Austin Gastroenterology PLLC

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

Clinician information

CredentialPA
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952994592
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