DR. JOHN S. ZIEGLER MD
NPI 1669465316
Obstetrics & Gynecology in Bastrop, LA
About Dr. John S. Ziegler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN S. ZIEGLER MD (NPI 1669465316) is an individual obstetrics & gynecology provider in Bastrop, Louisiana, licensed in Louisiana (012780) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Morehouse General Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1974).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John S. Ziegler Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Ziegler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bastrop, LA 71220
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: Sterlington Critical Access Hospital LLC
- Also billed through NPI 1679935928 (Louisiana)
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morehouse General Hospital
Acute Care Hospitals · Bastrop, LASt Francis Medical Center
Acute Care Hospitals · Monroe, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 71220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 John Ziegler's NPI number?
The NPI number for John Ziegler is 1669465316. It was assigned to this individual provider in the NPPES registry on August 29, 2005.
Where is John Ziegler located?
John Ziegler practices at 510S Washington St, Bastrop, LA 71220. The listed phone number is (318) 281-8596.
What is John Ziegler's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Ziegler enrolled in Medicare?
Yes. John Ziegler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Ziegler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ziegler reassigns Medicare benefits to Sterlington Critical Access Hospital L.L.C (Bastrop, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Ziegler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Ziegler accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list John Ziegler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Ziegler affiliated with any hospitals?
According to CMS data, John Ziegler is affiliated with Morehouse General Hospital and St Francis Medical Center.
When was this NPI record last updated?
The NPPES record for John Ziegler was last updated on August 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Dr. John S. Ziegler, MD · NPI 1669465316
Obstetrics & Gynecology physician in Bastrop, Louisiana. Individual provider, active in the CMS NPPES registry since August 29, 2005.
## Identity
- **NPI:** 1669465316 (Entity type: Individual)
- **Enumerated:** August 29, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 012780 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 510S WASHINGTON ST, Bastrop, LA 71220-5033
- **Phone:** (318) 281-8596 · **Fax:** (318) 281-8099
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sterlington Critical Access Hospital L.L.C (NPI 1619428588, Bastrop, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1974
## Record status
- **NPPES last updated:** August 28, 2015
- **Other identifiers:** Medicaid 1180955 (AL); Medicare UPIN B60515 (LA); Medicare PIN 5J527 (LA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669465316) · Data from the CMS NPPES public registry.