Dr. Gregory D. Bills, MD
- Medicare services, 2024
- 23
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 13
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
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Dr. Gregory D. Bills is an OB-GYN in Madison, Wisconsin
Dr. Bills practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Bills' NPI, 1851367940, was assigned on February 27, 2006. Dr. Bills graduated from University of Wisconsin School of Medicine in 1991. Dr. Bills holds Wisconsin license 33367.
- NPI
- 1851367940NPI Registry (opens in a new tab)
- NPI enumeration date
- February 27, 2006
- NPI status
- Active
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory D. Bills practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Bills' primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Gregory D. Bills is affiliated with 2 sites of care and 1 medical group
Dr. Bills' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Bills is also affiliated with University Hospital. The medical group on file is UW Health. Dr. Bills' employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory D. Bills' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bills practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory D. Bills is one of 651 OB-GYNs in Wisconsin
Obstetrics and gynecology is Dr. Bills' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Bills is licensed in Wisconsin.
Specialties and state licenses
- Obstetrics and gynecology, WisconsinPrimary
OB-GYNs near Dr. Bills
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory D. Bills billed Medicare for 23 services in 2024
CMS data shows 23 Medicare services from Dr. Bills across 2 procedure codes in 2024, for 39 Medicare patients. Medicare paid $1,125 for them. Every service was in an office.
Dr. Bills' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 452024: 1273%
- Imaging
- 2023: 122024: 118%
Dr. Bills compared with the Wisconsin median for OB-GYNs, 2024
- Dr. Bills
- Wisconsin median
- Medicare services
- 23vs 258% below
- Medicare patients
- 39vs 3126% above
- Part D claims
- 12vs 2857% below
Medians across 609 OB-GYNs in Wisconsin with Dmand AI profiles that report each measure.
Dr. Bills' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bills and other OB-GYNs in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory D. Bills treated 39 Medicare patients in 2024, average age 73
CMS counts 39 Medicare patients who saw Dr. Bills in 2024. The largest group is 65 to 74, with 20 patients. 62% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bills' median patient age at 43, with 99% women.
Dr. Bills' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Bills' Medicare patients, 2024
- High cholesterol62%
- High blood pressure59%
- Arthritis36%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bills' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory D. Bills wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Bills wrote 13 Medicare Part D claims. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,780 in total drug cost. In 2020, CMS named 11 claims across 1 drug.
Dr. Bills' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 112023: 129%
Drugs named by CMS: 1 in 2023, 1 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory D. Bills scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Bills for performance year 2024, reported as part of a group.
Dr. Bills' MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory D. Bills graduated from University of Wisconsin School of Medicine
Dr. Bills graduated from University of Wisconsin School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory D. Bills's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory D. Bills
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory D. Bills' NPI number?
Dr. Gregory D. Bills' NPI number is 1851367940. It was assigned on February 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory D. Bills?
Dr. Gregory D. Bills is an OB-GYN in Madison, Wisconsin. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gregory D. Bills practice?
Dr. Bills practices at 600 Highland Ave, Madison, WI 53792. Dr. Bills' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
What is Dr. Gregory D. Bills' office phone number?
The practice phone on file for Dr. Bills is (608) 265-1978.
What is Dr. Gregory D. Bills' medical license number?
Dr. Bills holds Wisconsin license 33367.
Which hospitals is Dr. Gregory D. Bills affiliated with?
Dr. Bills is affiliated with University Hospital.
What medical group is Dr. Gregory D. Bills part of?
Dr. Bills is linked to UW Health.
Does Dr. Gregory D. Bills accept Medicare?
Yes. CMS data shows Dr. Bills billed Medicare for 23 services in 2024.
What is Dr. Gregory D. Bills' MIPS score?
Dr. Bills' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory D. Bills see?
CMS counts 39 Medicare patients who saw Dr. Bills in 2024, with an average age of 73.
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What services does Dr. Gregory D. Bills bill to Medicare?
In 2024, Dr. Bills' most billed Medicare services were office visit, established patient (99213) and ultrasound (76830).
Where did Dr. Gregory D. Bills go to medical school?
Dr. Bills graduated from University of Wisconsin School of Medicine in 1991.
What drugs does Dr. Gregory D. Bills prescribe most?
In 2023 Medicare Part D data, Dr. Bills' most prescribed drugs by claims were Prempro.
How long has Dr. Gregory D. Bills been practicing?
Dr. Bills graduated from medical school in 1991, 35 years ago.
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