Dr. David L. Rainiero, MD
- Medicare services, 2024
- 71
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 183
- Hospital affiliations
- 2
- Industry payments
- $470
- Practice address
- 3400 East Racine Street, Janesville, WI 53546
- Practice phone
- Call (608) 373-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Rainiero's professional email, personal email and mobile number
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Dr. David L. Rainiero is a general surgeon in Janesville, Wisconsin
Dr. Rainiero practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care.
Dr. Rainiero's NPI, 1679534234, was assigned on March 31, 2006. Dr. Rainiero holds Wisconsin license 59979-20.
- NPI
- 1679534234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779629811
- NPI enumeration date
- March 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 373-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David L. Rainiero practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin
Dr. Rainiero's primary practice is SSM Health St. Mary's Hospital - Janesville, at 3400 East Racine Street, Janesville, WI 53546 in Rock County. The practice phone is (608) 373-8000.
- SSM Health St. Mary's Hospital - Janesville3400 East Racine Street, Janesville, WI 53546 · Rock CountyPhone(608) 373-8000
Source: Dmand AI Affiliation Data
Dr. David L. Rainiero is affiliated with 3 sites of care and 1 medical group
Dr. Rainiero's primary practice is SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care. Dr. Rainiero is also affiliated with Stoughton Hospital. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Rainiero to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David L. Rainiero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rainiero practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Janesville | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David L. Rainiero is one of 565 general surgeons in Wisconsin
Surgery is Dr. Rainiero's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Rainiero is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Dr. Rainiero
Counts of general 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. David L. Rainiero billed Medicare for 71 services in 2024
CMS data shows 71 Medicare services from Dr. Rainiero across 4 procedure codes in 2024, for 120 Medicare patients. Medicare paid $6,850 for them.
Dr. Rainiero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 552024: 3144%
- Office and hospital visits
- 2023: 572024: 2261%
- Surgery
- 2023: 402024: 1855%
Where Dr. Rainiero's Medicare services took place, 2024
- In an office2231%
- In a facility4969%
Dr. Rainiero compared with the Wisconsin median for general surgeons, 2024
- Dr. Rainiero
- Wisconsin median
- Medicare services
- 71vs 9928% below
- Medicare patients
- 120vs 10020% above
- Part D claims
- 168vs 374.5 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Rainiero'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. Rainiero and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David L. Rainiero treated 120 Medicare patients in 2024, average age 72
CMS counts 120 Medicare patients who saw Dr. Rainiero in 2024. The largest group is 65 to 74, with 69 patients. 70% of them have high cholesterol, and 58% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rainiero's median patient age at 66, with 56% women.
Dr. Rainiero's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rainiero's Medicare patients by sex, 2024
- Women5949%
- Men6151%
Chronic conditions among Dr. Rainiero's Medicare patients, 2024
- High cholesterol70%
- High blood pressure58%
- Arthritis30%
- Diabetes23%
- Ischemic heart disease23%
- Anxiety22%
- Mood disorders22%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rainiero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David L. Rainiero wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Rainiero wrote 183 Medicare Part D claims for 169 patients. 78% of them were for generic drugs. CMS names the drug for 168 of them, across 4 drugs with 11 or more claims each, at $2,597 in total drug cost. In 2023, CMS named 191 claims across 5 drugs.
Dr. Rainiero's Part D claims by kind of drug, 2024
- Generic142 claims78%
- Brand-name41 claims22%
Dr. Rainiero'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. Rainiero's Part D claims, 2024
- Opioids11%21 of 183 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: 1912024: 16812%
Drugs named by CMS: 4 in 2024, 5 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. David L. Rainiero ranks in the 72nd percentile for colonoscopy in Medicare
Dr. Rainiero accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 74 procedures of colonoscopy by Dr. Rainiero, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Rainiero ranks in Medicare procedure volume
- Colonoscopy
- 72nd percentile74 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 54th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David L. Rainiero received $470 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Rainiero from 1 drug or device company from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $470.
General payments to Dr. Rainiero by program year, 2016 to 2021
Companies that paid Dr. Rainiero the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David L. Rainiero'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. David L. Rainiero
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. David L. Rainiero's NPI number?
Dr. David L. Rainiero's NPI number is 1679534234. It was assigned on March 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David L. Rainiero?
Dr. David L. Rainiero is a general surgeon in Janesville, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David L. Rainiero practice?
Dr. Rainiero practices at 3400 East Racine Street, Janesville, WI 53546. Dr. Rainiero's primary practice is SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Rainiero to 1 group practice or clinic.
What is Dr. David L. Rainiero's office phone number?
The practice phone on file for Dr. Rainiero is (608) 373-8000.
What is Dr. David L. Rainiero's medical license number?
Dr. Rainiero holds Wisconsin license 59979-20.
Which hospitals is Dr. David L. Rainiero affiliated with?
Dr. Rainiero practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin. Dr. Rainiero is also affiliated with Stoughton Hospital.
What medical group is Dr. David L. Rainiero part of?
Dr. Rainiero is linked to SSM Health Dean Medical Group.
Does Dr. David L. Rainiero accept Medicare?
Yes. CMS data shows Dr. Rainiero billed Medicare for 71 services in 2024, and Dr. Rainiero accepts Medicare assignment.
How many Medicare patients does Dr. David L. Rainiero see?
CMS counts 120 Medicare patients who saw Dr. Rainiero in 2024, with an average age of 72.
What services does Dr. David L. Rainiero bill to Medicare?
In 2024, Dr. Rainiero's most billed Medicare services were office visit, established patient (99213), medicare service (G0500) and surgery: digestive system (45385).
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What drugs does Dr. David L. Rainiero prescribe most?
In 2024 Medicare Part D data, Dr. Rainiero's most prescribed drugs by claims were Gavilyte-G, Peg-3350 And Electrolytes and Gavilyte-C.
Has Dr. David L. Rainiero received payments from drug or device companies?
CMS Open Payments shows $470 in general payments to Dr. Rainiero from 1 company from 2016 to 2021. The largest total came from Davol Inc.
How long has Dr. David L. Rainiero been practicing?
Dr. Rainiero graduated from medical school in 1994, 32 years ago.
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