Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John S. Ziegler, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1669465316

Dr. John S. Ziegler, MD is an Obstetrics/Gynecology in Bastrop, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 1974, 52 years ago. Practices with Sterlington Critical Access Hospital LLC, a 12-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
52
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

510S Washington St
Bastrop, LA 71220-5033
Phone: (318) 281-8596
Fax: (318) 281-8099
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 012780 (LA)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD012780 (LA)

Record details

NPI number1669465316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 29, 2005
Last updated in NPPESAugust 28, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1974 (52 years in practice)
Group practice Sterlington Critical Access Hospital Llc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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