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Internal Medicine

Nicholas F. Bastian, DO

Sees patients in Austin, TX · Round Rock, TX · Texas

Summary

Dr. Nicholas F. Bastian, DO is an internal medicine doctor at 1807 W Slaughter Ln, 490 Arc Southwest, Austin, TX 78748. Phone: (512) 282-8967. Accepts Medicare assignment. In 2024, Nicholas F. Bastian had 151 Original Medicare patients and 732 services. NPI 1134652936. 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: 1807 W Slaughter Ln, 490 Arc Southwest, Austin, TX 78748 · Directions (1 more location)
  • Phone: (512) 282‑8967
  • Medicare: Accepts Medicare assignment
  • Group practice: Austin Regional Clinic PA
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas F. Bastian, 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 Nicholas F. Bastian accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas F. Bastian 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 Nicholas F. Bastian see?
In 2024, CMS data shows 151 Original Medicare patients and 732 services for Nicholas F. Bastian. This counts Original Medicare only and measures volume, not quality.
What is Nicholas F. Bastian's NPI number?
1134652936. 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 Nicholas F. Bastian, 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 patients151
Services billed to Medicare732
Different services or procedures72
Participating Medicare providerYes
Average age of these patients73

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)120 services
  2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)78 services
  3. Blood test, comprehensive group of blood chemicals (80053)72 services
  4. Blood test, thyroid stimulating hormone (tsh) (84443)64 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)63 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 pressure70%
  • Arthritis42%
  • Diabetes33%
  • Ischemic heart disease32%
  • Anxiety27%

Practice locations

Addresses where Nicholas F. Bastian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas F. Bastian 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 Austin

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

All internal medicine doctors in Austin →

Other clinicians in Austin Regional Clinic PA

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

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1134652936
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