Dr. Gregory Rex Hill, MD
- Medicare services, 2024
- 1,098
- Medicare patients, 2024
- 234
- Part D claims, 2024
- 828
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Practice address
- 6000 University Ave, West Des Moines, IA 50266
- Practice phone
- Call (515) 471-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UnityPoint Clinic
West Des Moines, Iowa
Find Dr. Hill's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Rex Hill is an orthopedic surgeon in West Des Moines, Iowa
Dr. Hill practices at UnityPoint Clinic in West Des Moines, Iowa.
Dr. Hill's NPI, 1457322745, was assigned on January 27, 2006. Dr. Hill graduated from University of Iowa, RJ & L Carver College of Medicine in 1997. Dr. Hill holds Iowa license 35185.
- NPI
- 1457322745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759336183
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (515) 471-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Rex Hill practices at UnityPoint Clinic in West Des Moines, Iowa
Dr. Hill's primary practice is UnityPoint Clinic, at 6000 University Ave, West Des Moines, IA 50266 in Polk County. The practice phone is (515) 471-9300.
- UnityPoint Clinic6000 University Ave, West Des Moines, IA 50266 · Polk CountyPhone(515) 471-9300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Rex Hill is affiliated with 4 sites of care and 2 medical groups
Dr. Hill's primary practice is UnityPoint Clinic in West Des Moines, Iowa. Dr. Hill is also affiliated with UnityPoint Health - Trinity Regional Medical Center. The medical group on file is UnityPoint Clinic. Dmand AI also links Dr. Hill to 1 more hospital, 1 physician office and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Rex Hill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hill practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UnityPoint Clinic | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Rex Hill is one of 219 orthopedic surgeons in Iowa
Orthopaedic surgery is Dr. Hill's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hill is licensed in Iowa.
Specialties and state licenses
- Orthopaedic surgery, IowaPrimary
Orthopedic surgeons near Dr. Hill
Counts of orthopedic surgeons 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 Rex Hill billed Medicare for 1,098 services in 2024
CMS data shows 1,098 Medicare services from Dr. Hill across 20 procedure codes in 2024, for 234 Medicare patients. Medicare paid $62,390 for them.
Dr. Hill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4022024: 28928%
- Drugs given in the office
- 2023: 2372024: 2401%
- Imaging
- 2023: 2692024: 23014%
- Lab and pathology
- 2023: 1952024: 15222%
- Surgery
- 2023: 1742024: 14318%
- Tests and treatments
- 2023: 682024: 4435%
Where Dr. Hill's Medicare services took place, 2024
- In an office1,06697%
- In a facility323%
Dr. Hill compared with the Iowa median for orthopedic surgeons, 2024
- Dr. Hill
- Iowa median
- Medicare services
- 1,098vs 1,0267% above
- Medicare patients
- 234vs 28518% below
- Part D claims
- 784vs 1007.8 times
Medians across 221 orthopedic surgeons in Iowa with Dmand AI profiles that report each measure.
Dr. Hill's 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Rex Hill treated 234 Medicare patients in 2024, average age 73
CMS counts 234 Medicare patients who saw Dr. Hill in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hill's median patient age at 68, with 61% women.
Dr. Hill's Medicare patients by age, 2024
Dr. Hill's Medicare patients by sex, 2024
- Women12252%
- Men11248%
Chronic conditions among Dr. Hill's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes32%
- Chronic kidney disease29%
- Ischemic heart disease29%
- Depression27%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Rex Hill wrote 828 Medicare Part D claims in 2024
In 2024, Dr. Hill wrote 828 Medicare Part D claims for 214 patients. 97% of them were for generic drugs. CMS names the drug for 784 of them, across 15 drugs with 11 or more claims each, at $3,695 in total drug cost. In 2023, CMS named 669 claims across 14 drugs.
Dr. Hill's Part D claims by kind of drug, 2024
- Generic807 claims97%
- Brand-name21 claims3%
Dr. Hill's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hill's Part D claims, 2024
- Opioids21%175 of 828 claims
- Antibiotics17%138 of 828 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6692024: 78417%
Drugs named by CMS: 15 in 2024, 14 in 2023.
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 Rex Hill scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Hill for performance year 2024, reported as part of a group. Dr. Hill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hill's MIPS scores, performance year 2024
- 84of 100Final score
- 68.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory Rex Hill received $12,641 in industry payments from 2016 to 2025
CMS Open Payments shows 116 general payments to Dr. Hill from 7 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 40% of the total. Stryker Corporation paid the most, $9,058.
General payments to Dr. Hill by program year, 2016 to 2025
General payments to Dr. Hill by kind, 2016 to 2025
- Travel and lodging$5,08240%
- Food and beverage$4,28234%
- Education$3,27726%
Companies that paid Dr. Hill the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Rex Hill graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Hill graduated from University of Iowa, RJ & L Carver College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Rex Hill'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Rex Hill
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 Rex Hill's NPI number?
Dr. Gregory Rex Hill's NPI number is 1457322745. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Rex Hill?
Dr. Gregory Rex Hill is an orthopedic surgeon in West Des Moines, Iowa. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory Rex Hill practice?
Dr. Hill practices at 6000 University Ave, West Des Moines, IA 50266. Dr. Hill's primary practice is UnityPoint Clinic in West Des Moines, Iowa. Dmand AI also links Dr. Hill to 1 hospital, 1 physician office and 1 medical group.
What is Dr. Gregory Rex Hill's office phone number?
The practice phone on file for Dr. Hill is (515) 471-9300.
What is Dr. Gregory Rex Hill's medical license number?
Dr. Hill holds Iowa license 35185.
Which hospitals is Dr. Gregory Rex Hill affiliated with?
Dr. Hill is affiliated with UnityPoint Health - Trinity Regional Medical Center. Dmand AI links Dr. Hill to 1 more hospital.
What medical group is Dr. Gregory Rex Hill part of?
Dr. Hill is linked to UnityPoint Clinic. Dmand AI links Dr. Hill to 1 more medical group.
Does Dr. Gregory Rex Hill accept Medicare?
Yes. CMS data shows Dr. Hill billed Medicare for 1,098 services in 2024, and Dr. Hill accepts Medicare assignment.
What is Dr. Gregory Rex Hill's MIPS score?
Dr. Hill's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Rex Hill see?
CMS counts 234 Medicare patients who saw Dr. Hill in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Gregory Rex Hill bill to Medicare?
In 2024, Dr. Hill's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and diagnostic imaging (73030).
Where did Dr. Gregory Rex Hill go to medical school?
Dr. Hill graduated from University of Iowa, RJ & L Carver College of Medicine in 1997.
What drugs does Dr. Gregory Rex Hill prescribe most?
In 2024 Medicare Part D data, Dr. Hill's most prescribed drugs by claims were Meloxicam, Tramadol HCl and Amoxicillin.
Has Dr. Gregory Rex Hill received payments from drug or device companies?
CMS Open Payments shows $12,641 in general payments to Dr. Hill from 7 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Gregory Rex Hill been practicing?
Dr. Hill graduated from medical school in 1997, 29 years ago.
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