NPPES file of Aug 9, 2026

Mladen Sokolovic, M.D.

Internal Medicine Physician · Austin, TX

Mladen Sokolovic, M.D. is an internal medicine physician with a practice address in Austin, Texas, and NPI 1255588208, issued on Aug 21, 2008. Check the license (Texas Q4290, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255588208
Name
Mladen Sokolovic
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
Q4290 TX
Self-reported in NPPES; status is on the state search
Practice location
5920 W William Cannon Dr Ste 150, Austin, TX 78749
Phone
(512) 441-9799
Enumerated
Aug 21, 2008
Record last updated
Apr 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(512) 441-9814
Medicare enrollment
Enrolled (PECOS I20171024001081); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Also registered at 5920 W William Cannon Dr Ste 150

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melani Dayal, ACNS-BCAdult Health Clinical Nurse Specialist1659687416
  2. Mitchell GutierrezRegistered Nurse1023567666
  3. Pranay Korpole, M.D.Pulmonary Disease Physician1538553433
  4. Sapan Patel, MDCritical Care Medicine (Internal Medicine) Physician1295075661
  5. Subramaniyam Rajan, M.D.Critical Care Medicine (Internal Medicine) Physician1922324813
  6. Usha Rao, M.D.Critical Care Medicine (Internal Medicine) Physician1952627010

Verify Mladen Sokolovic in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q4290    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Cogent Healthcare OF Texas PAAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mladen Sokolovic among 9,175 internal medicine physician records in Texas

Mladen Sokolovic, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2002 · median 2004 among the 6,088 with a school on file
  • Record last updated2019 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

606 internal medicine physician records list a practice address in Austin

They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.

All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Vincent EsparzaAustin, TX 787491609372911
  2. Catherine Geralds, D.O.Austin, TX 787491134491913
  3. Matthew Medlock, M.D.Austin, TX 787491013055391
  4. Vinay Parameswara, M.D., M.P.H., PH.D.Austin, TX 787491326272246
  5. Qiwei PaulsonAustin, TX 787491386987576
  6. Rudxandra Aguiar, M.D.Austin, TX 787481811263981
  7. Nicholas Bastian, DOAustin, TX 787481134652936
  8. Moira Dolan, MDAustin, TX 787481861679284

Common questions

What is Mladen Sokolovic, M.D.'s NPI number?

Mladen Sokolovic, M.D.'s National Provider Identifier (NPI) is 1255588208, issued on Aug 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mladen Sokolovic, M.D. located?

The NPPES record lists a practice address at 5920 W William Cannon Dr Ste 150, Austin, TX, 78749. Phone: (512) 441-9799. Providers update this record themselves, so call before visiting.

How can I verify Mladen Sokolovic, M.D.'s license?

NPPES lists Texas license number Q4290, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.