Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Shangir Hossain Siddique, MD

Hospitalist Physician in Austin, TX · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1598332504

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Registry record

Entity type Individual (Type 1)

Name Shangir Hossain Siddique

Credential MD

Sex Male

Practice address 1500 Red River St, Austin, TX, 78701

Phone (512) 324-7000

Enumeration date Jun 8, 2021

Last updated in NPPES Jul 13, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License V1892 (TX) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License V1892 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Shangir Siddique?

The National Provider Identifier (NPI) for Shangir Siddique is 1598332504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Shangir Siddique practice?

The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Ascension Seton General Acute Care Hospital · Austin, TX NPI 1093810327 Christopher Wyatt Emergency Medicine Physician · Austin, TX NPI 1578776100 Tyler Jorgensen Hospice and Palliative Medicine (Internal Medicine) Physician · Austin, TX NPI 1396906335 Christopher Moriates Internal Medicine Physician · Austin, TX NPI 1427383132 Joel Adler Transplant Surgery Physician · Austin, TX NPI 1518279199 Ascension Seton Community/Retail Pharmacy · Austin, TX NPI 1124386354 Chelsea Conner Physician Assistant · Austin, TX NPI 1356688477 Deidre Allison Acute Care Nurse Practitioner · Austin, TX NPI 1801234869

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-13.