John Ester, MD
NPI 1063527547 · Obstetrics & Gynecology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ester, MD is a Obstetrics & Gynecology Physician provider in Madison, WI (NPI 1063527547).
Provider details
- NPI number
- 1063527547
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 46573-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2020-11-11
- Certified
- 2020-11-11
Frequently asked questions
- What is John Ester's NPI number?
- John Ester's National Provider Identifier (NPI) is 1063527547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ester's specialty?
- John Ester is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Ester located?
- John Ester's practice location on file with NPPES is 700 S Park St, Madison, WI 53715-1830.
- What is John Ester's phone number?
- The practice phone number listed in the NPPES registry for John Ester is (608) 251-6100.
- Does John Ester accept Medicare?
- John Ester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ester's NPI active?
- Yes — John Ester's NPI (1063527547) is active in the NPPES registry as of the last update on 2020-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.