John Ziegler, MD
NPI 1669465316 · Obstetrics & Gynecology Physician · Bastrop, LA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ziegler, MD is a Obstetrics & Gynecology Physician provider in Bastrop, LA (NPI 1669465316).
Provider details
- NPI number
- 1669465316
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 012780 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
47 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $119 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 21 | $120 |
Typical Medicare-allowed amounts for these services range $119–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 151 | 32 |
| Clonidine Hcl | 37 | — |
| Levothyroxine Sodium | 28 | — |
| Pantoprazole Sodium | 22 | — |
| Oxybutynin Chloride | 19 | — |
| Clobetasol Propionate | 18 | — |
| Alprazolam | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-29
- Last updated
- 2015-08-28
Frequently asked questions
- What is John Ziegler's NPI number?
- John Ziegler's National Provider Identifier (NPI) is 1669465316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ziegler's specialty?
- John Ziegler is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Ziegler located?
- John Ziegler's practice location on file with NPPES is 510s Washington St, Bastrop, LA 71220-5033.
- What is John Ziegler's phone number?
- The practice phone number listed in the NPPES registry for John Ziegler is (318) 281-8596.
- Does John Ziegler accept Medicare?
- John Ziegler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ziegler's NPI active?
- Yes — John Ziegler's NPI (1669465316) is active in the NPPES registry as of the last update on 2015-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.