Dr. William Gerald Rainer III, DO
- Medicare services, 2024
- 932
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 140
- MIPS score, 2024
- 26
- Hospital affiliations
- 4
- Practice address
- 2351 'G' Rd, Grand Junction, CO 81505
- Practice phone
- Call (970) 644-3011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rainer's professional email, personal email and mobile number
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Dr. William Gerald Rainer III is an orthopedic surgeon in Grand Junction, Colorado
Dr. Rainer practices at Community Hospital in Grand Junction, Colorado, part of Community Hospital.
Dr. Rainer's NPI, 1487051892, was assigned on December 1, 2014. Dr. Rainer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016. Dr. Rainer holds Colorado license DR.0068109.
- NPI
- 1487051892NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991098154
- NPI enumeration date
- December 1, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 644-3011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Gerald Rainer III practices at Community Hospital in Grand Junction, Colorado
Dr. Rainer's primary practice is Community Hospital, at 2351 'G' Rd, Grand Junction, CO 81505 in Mesa County. The practice phone is (970) 644-3011.
- Community Hospital2351 'G' Rd, Grand Junction, CO 81505 · Mesa CountyPhone(970) 644-3011
Source: Dmand AI Affiliation Data
Dr. William Gerald Rainer III is affiliated with 8 sites of care and 2 medical groups
Dr. Rainer's primary practice is Community Hospital in Grand Junction, Colorado, part of Community Hospital. Dr. Rainer is also affiliated with Montrose Regional Health. The medical group on file is Western Orthopedics & Sports Medicine. Dmand AI also links Dr. Rainer to 2 more hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Gerald Rainer III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rainer practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Hospital | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Gerald Rainer III is one of 387 orthopedic surgeons in Colorado
Orthopaedic surgery is Dr. Rainer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Rainer's licenses on file in 3 states: Colorado, Minnesota and New Hampshire.
Specialties and state licenses
- Orthopaedic surgery, ColoradoPrimary
- Minnesota license
- New Hampshire license
Orthopedic surgeons near Dr. Rainer
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. William Gerald Rainer III billed Medicare for 932 services in 2024
CMS data shows 932 Medicare services from Dr. Rainer across 12 procedure codes in 2024, for 312 Medicare patients. Medicare paid $168,305 for them.
Dr. Rainer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2682024: 38243%
- Imaging
- 2023: 2262024: 28325%
- Surgery
- 2023: 1902024: 20910%
- Other services
- 2023: 532024: 589%
- Drugs given in the office
- 2023: 352024: 0100%
Where Dr. Rainer's Medicare services took place, 2024
- In an office66571%
- In a facility26729%
Dr. Rainer compared with the Colorado median for orthopedic surgeons, 2024
- Dr. Rainer
- Colorado median
- Medicare services
- 932vs 70033% above
- Medicare patients
- 312vs 19659% above
- Part D claims
- 95vs 6448% above
Medians across 373 orthopedic surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Rainer'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rainer and other orthopedic surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Gerald Rainer III treated 312 Medicare patients in 2024, average age 74
CMS counts 312 Medicare patients who saw Dr. Rainer in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have arthritis, and 65% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rainer's median patient age at 73, with 61% women.
Dr. Rainer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rainer's Medicare patients by sex, 2024
- Women18058%
- Men13242%
Chronic conditions among Dr. Rainer's Medicare patients, 2024
- Arthritis75%
- High blood pressure65%
- High cholesterol60%
- Mood disorders24%
- Depression22%
- Ischemic heart disease20%
- Anxiety19%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rainer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Gerald Rainer III wrote 140 Medicare Part D claims in 2024
In 2024, Dr. Rainer wrote 140 Medicare Part D claims for 68 patients. 96% of them were for generic drugs. CMS names the drug for 95 of them, across 3 drugs with 11 or more claims each, at $598 in total drug cost. In 2023, CMS named 64 claims across 3 drugs.
Dr. Rainer's Part D claims by kind of drug, 2024
- Generic134 claims96%
- Brand-name and other6 claims4%
Dr. Rainer'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. Rainer's Part D claims, 2024
- Opioids51%71 of 140 claims
- Antibiotics9%13 of 140 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: 642024: 9548%
Drugs named by CMS: 3 in 2024, 3 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. William Gerald Rainer III scored 26 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 26 out of 100 for Dr. Rainer for performance year 2024, reported individually. Dr. Rainer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 125 procedures of hip replacement by Dr. Rainer, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Rainer's MIPS scores, performance year 2024
- 26of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 88of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Rainer ranks in Medicare procedure volume
- Hip replacement
- 98th percentile125 procedures
- Knee replacement
- 93rd percentile104 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. William Gerald Rainer III received $8,421 in industry payments from 2018 to 2025
CMS Open Payments shows 90 general payments to Dr. Rainer from 11 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 54% of the total. Zimmer Biomet Holdings, Inc. paid the most, $3,539.
General payments to Dr. Rainer by program year, 2018 to 2025
General payments to Dr. Rainer by kind, 2018 to 2025
- Travel and lodging$4,55354%
- Food and beverage$3,34340%
- Education$5256%
Companies that paid Dr. Rainer the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Gerald Rainer III graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Rainer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Gerald Rainer III'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 | 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. William Gerald Rainer III
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. William Gerald Rainer III's NPI number?
Dr. William Gerald Rainer III's NPI number is 1487051892. It was assigned on December 1, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. William Gerald Rainer III?
Dr. William Gerald Rainer III is an orthopedic surgeon in Grand Junction, Colorado. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William Gerald Rainer III practice?
Dr. Rainer practices at 2351 'G' Rd, Grand Junction, CO 81505. Dr. Rainer's primary practice is Community Hospital in Grand Junction, Colorado, part of Community Hospital. Dmand AI also links Dr. Rainer to 2 hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group.
What is Dr. William Gerald Rainer III's office phone number?
The practice phone on file for Dr. Rainer is (970) 644-3011.
What is Dr. William Gerald Rainer III's medical license number?
Dr. Rainer holds Colorado license DR.0068109, one of the licenses on file in 3 states.
Which states has Dr. William Gerald Rainer III been licensed in?
Dmand AI has state licenses on file for Dr. Rainer in Colorado, Minnesota and New Hampshire.
Which hospitals is Dr. William Gerald Rainer III affiliated with?
Dr. Rainer practices at Community Hospital in Grand Junction, Colorado. Dr. Rainer is also affiliated with Montrose Regional Health. Dmand AI links Dr. Rainer to 2 more hospitals.
What medical group is Dr. William Gerald Rainer III part of?
Dr. Rainer is linked to Western Orthopedics & Sports Medicine. Dmand AI links Dr. Rainer to 1 more medical group.
Does Dr. William Gerald Rainer III accept Medicare?
Yes. CMS data shows Dr. Rainer billed Medicare for 932 services in 2024, and Dr. Rainer accepts Medicare assignment.
What is Dr. William Gerald Rainer III's MIPS score?
Dr. Rainer's MIPS final score for performance year 2024 is 26 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. William Gerald Rainer III see?
CMS counts 312 Medicare patients who saw Dr. Rainer in 2024, with an average age of 74.
What services does Dr. William Gerald Rainer III bill to Medicare?
In 2024, Dr. Rainer's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and diagnostic imaging (73502).
Where did Dr. William Gerald Rainer III go to medical school?
Dr. Rainer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016.
What drugs does Dr. William Gerald Rainer III prescribe most?
In 2024 Medicare Part D data, Dr. Rainer's most prescribed drugs by claims were Tramadol HCl, Oxycodone HCl and Celecoxib.
Has Dr. William Gerald Rainer III received payments from drug or device companies?
CMS Open Payments shows $8,421 in general payments to Dr. Rainer from 11 companies from 2018 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. William Gerald Rainer III been practicing?
Dr. Rainer graduated from medical school in 2016, 10 years ago.
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