GREGORY D BILLS (MD) – Obstetrics & Gynecology Physician, NPI 1851367940
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Provider Addresses for GREGORY D BILLS (MD)
817 ONDOSSAGON WAY
MADISON, WI 537193249
Phone: (608) 833-2261
Type: Location
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
MIDDLETON, WI 535625531
Phone: (608) 829-5485
Type: Mailing
451, Junction Road, Middleton Junction, Madison, Dane County, Wisconsin, 53719, United States
MADISON, WI 53717
Phone: (608) 265-7601
Fax: (608) 265-7357
Type: Location
NPPES updates history
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
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Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 24 | 17 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 21 | 19 | $0 |
| 76830 | Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 12 | 12 | $0 |
Insurance plans in this area (ZIP 53719)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Endocrinology, Internal Medicine | WI | |
| Medical Oncology, Hematology/Oncology | CA |
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