Sheldon L. Markowitz, M.D. PA
NPI 1922243096 · Internal Medicine Physician · Austin, TX
Sheldon L. Markowitz, M.D. PA is a Internal Medicine Physician organization in Austin, TX (NPI 1922243096).
Provider details
- NPI number
- 1922243096
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sheldon Markowitz, President(512) 626-0653
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-03
- Last updated
- 2017-03-02
Frequently asked questions
- What is Sheldon L. Markowitz, M.D. PA's NPI number?
- Sheldon L. Markowitz, M.D. PA's National Provider Identifier (NPI) is 1922243096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sheldon L. Markowitz, M.D. PA?
- Sheldon L. Markowitz, M.D. PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sheldon L. Markowitz, M.D. PA located?
- Sheldon L. Markowitz, M.D. PA's practice location on file with NPPES is 1822 W Braker Ln # 81603, Austin, TX 78758-3606.
- What is Sheldon L. Markowitz, M.D. PA's phone number?
- The practice phone number listed in the NPPES registry for Sheldon L. Markowitz, M.D. PA is (512) 973-9222.
- Who is the authorized official for Sheldon L. Markowitz, M.D. PA?
- The authorized official listed on Sheldon L. Markowitz, M.D. PA's NPPES record is Sheldon Markowitz, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sheldon L. Markowitz, M.D. PA's NPI active?
- Yes — Sheldon L. Markowitz, M.D. PA's NPI (1922243096) is active in the NPPES registry as of the last update on 2017-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.