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Family Practice

David Sly, DO

Sees patients in Austin, TX · Phoenix, AZ · Texas, Arizona

Summary

David Sly, DO (Family Practice) is enrolled with Medicare at 4 practice locations in Austin, TX and Phoenix, AZ. NPI 1255387148. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David Sly, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
36Years since medical school (graduated 1990)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)
Seton Family of DoctorsGroup practice (+1 more)

Quick answers

Where does David Sly see patients?
Medicare's clinician data lists 4 practice locations, including Austin, TX and Phoenix, AZ. Call before your visit to confirm the address.
What is David Sly's specialty?
Medicare lists Family Practice as the primary specialty.
Does David Sly accept Medicare assignment?
Yes. Medicare's clinician data says David Sly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does David Sly offer telehealth?
Medicare's clinician data says David Sly offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David Sly?
(512) 324-7300, as listed in official Medicare / NPI Registry data.
What is David Sly's NPI number?
1255387148. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where David Sly is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David Sly as a member of these groups (CMS data updated 2026-10-02).

  • Seton Family of Doctors792 clinicians in the group
  • Iora Senior Health LLC118 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Austin

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

All family doctors in Austin →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255387148
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians