1. Home
  2. Directory
  3. Wisconsin
  4. Madison
  5. Obstetrics Gynecology
  6. NPI Profile

GREGORY D BILLS MD
NPI 1851367940
Obstetrics & Gynecology in Madison, WI

Active since February 27, 2006
817 ONDOSSAGON WAY, MADISON, WI 53719(608) 833-2261 Get Directions Write a Review

NPPES record last updated: July 1, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 1, 2024, Jan 19, 2021 (2 updates tracked since 2021).

About Gregory D Bills Md NPPES

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

GREGORY D BILLS MD (NPI 1851367940) is an individual obstetrics & gynecology provider in Madison, Wisconsin, licensed in Wisconsin (33367) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1851367940
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameGREGORY D BILLSCredential: MD
Location Address817 ONDOSSAGON WAYMadison, WI 53719-3249
Mailing Address817 Ondossagon WayMadison, WI 53719-3249 · (608) 833-2261
Phone(608) 833-2261
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateJuly 1, 20242 updates tracked since enumeration
NPPES CertifiedJuly 1, 2024
✔ NPI 1851367940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 33367
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
817 ONDOSSAGON WAY, Madison, WI 53719
Open in Google Maps ↗

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services11 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
11 services11 patients

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 Gregory Bills's NPI number?

The NPI number for Gregory Bills is 1851367940. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Gregory Bills located?

Gregory Bills practices at 817 Ondossagon Way, Madison, WI 53719. The listed phone number is (608) 833-2261.

What is Gregory Bills's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Gregory Bills was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.