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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JO BESS HAMMER MD
NPI 1255318713
Obstetrics & Gynecology - Gynecology in Austin, TX

Active since December 27, 2005
1015 E 32ND ST, #516, AUSTIN, TX 78705(512) 477-1954(512) 477-2826 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jo Bess Hammer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JO BESS HAMMER MD (NPI 1255318713) is an individual gynecology provider in Austin, Texas, licensed in Texas (E6397) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1255318713
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameJO BESS HAMMERCredential: MD
Location Address1015 E 32ND ST, #516Austin, TX 78705-2707
Mailing Address1015 E 32nd St, #516Austin, TX 78705-2707 · (512) 477-1954 · Fax (512) 477-2826
Phone(512) 477-1954
Fax(512) 477-2826
Sole ProprietorNo
Enumeration DateDecember 27, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1255318713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in TX · E6397
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
1015 E 32ND ST, Austin, TX 78705
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JON MAZURSKY M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1015 E 32ND ST, SUITE #405
AUSTIN, TX 78705
Travis County (512) 476-0895
MRS. ERICA BURG ACNP
Nurse Practitioner (Acute Care)
1015 E 32ND ST, SUITE 300
AUSTIN, TX 78705
Travis County (512) 469-9966
DR. EDWARD ROBERT CHAFIZADEH M.D.
Internal Medicine (Interventional Cardiology)
1015 E 32ND ST, SUITE 508
AUSTIN, TX 78705
Travis County (512) 807-3140
ST. DAVID'S CARDIOLOGY, PLLC
Internal Medicine (Cardiovascular Disease)
1015 E 32ND ST, SUITE 508
AUSTIN, TX 78705
Travis County (512) 441-1633
DR. DAVID GRUNDY M.D.
Pediatrics
1015 E 32ND ST, SUITE #405
AUSTIN, TX 78705
Travis County (512) 476-0895
U GADARIA MD FACS PA
Plastic Surgery (Surgery of the Hand)
1015 E 32ND ST, SUITE 208
AUSTIN, TX 78705
Travis County (512) 478-0993
SURGICAL ASSOCIATES OF AUSTIN, P.A.
Surgery
1015 E 32ND ST, 308
AUSTIN, TX 78705
Travis County (512) 472-1381
CINDY DAWSON BRADY RNC NNP
Nurse Practitioner (Neonatal, Critical Care)
1015 E 32ND ST, SUITE 405
AUSTIN, TX 78705
Travis County (512) 476-0895

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jo Hammer's NPI number?

The NPI number for Jo Hammer is 1255318713. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Where is Jo Hammer located?

Jo Hammer practices at 1015 E 32nd St #516, Austin, TX 78705. The listed phone number is (512) 477-1954.

What is Jo Hammer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

When was this NPI record last updated?

The NPPES record for Jo Hammer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.