Dr. Darren William Perttu, MD
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 129
- Hospital affiliations
- 2
- Industry payments
- $315
- Practice address
- 507 S Monroe St, Lancaster, WI 53813
- Practice phone
- Call (608) 723-2143
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perttu'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. Darren William Perttu is a general surgeon in Lancaster, Wisconsin
Dr. Perttu practices at Grant Regional Health Center in Lancaster, Wisconsin, part of Grant Regional.
Dr. Perttu's NPI, 1073833174, was assigned on June 11, 2010. Dr. Perttu graduated from Michigan State University College of Human Medicine in 2010. Dr. Perttu holds Wisconsin license 64227-20.
- NPI
- 1073833174NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375856974
- NPI enumeration date
- June 11, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 723-2143
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darren William Perttu practices at Grant Regional Health Center in Lancaster, Wisconsin
Dr. Perttu's primary practice is Grant Regional Health Center, at 507 S Monroe St, Lancaster, WI 53813 in Grant County. The practice phone is (608) 723-2143.
- Grant Regional Health Center507 S Monroe St, Lancaster, WI 53813 · Grant CountyPhone(608) 723-2143
Source: Dmand AI Affiliation Data
Dr. Darren William Perttu is affiliated with 2 sites of care and 2 medical groups
Dr. Perttu's primary practice is Grant Regional Health Center in Lancaster, Wisconsin, part of Grant Regional. Dr. Perttu is also affiliated with Vernon Health Hospital. The medical group on file is Grant Regional Health Center. Dmand AI also links Dr. Perttu to 1 more medical group, named with a free account. Dr. Perttu's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Darren William Perttu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perttu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grant Regional Health Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Grant Regional and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Darren William Perttu is one of 565 general surgeons in Wisconsin
Surgery is Dr. Perttu's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Perttu is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Dr. Perttu
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. Darren William Perttu billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. Perttu across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $1,045 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Perttu's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 142024: 1829%
Dr. Perttu compared with the Wisconsin median for general surgeons, 2024
- Dr. Perttu
- Wisconsin median
- Medicare services
- 18vs 9982% below
- Medicare patients
- 19vs 10081% below
- Part D claims
- 78vs 372.1 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Perttu'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.
Need commercial claims for Dr. Perttu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Perttu and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darren William Perttu treated 19 Medicare patients in 2024, average age 78
CMS counts 19 Medicare patients who saw Dr. Perttu in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Perttu's median patient age at 61, with 56% women.
Chronic conditions among Dr. Perttu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perttu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
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. Darren William Perttu wrote 129 Medicare Part D claims in 2024
In 2024, Dr. Perttu wrote 129 Medicare Part D claims for 77 patients. 90% of them were for generic drugs. CMS names the drug for 78 of them, across 3 drugs with 11 or more claims each, at $642 in total drug cost. In 2023, CMS named 57 claims across 2 drugs.
Dr. Perttu's Part D claims by kind of drug, 2024
- Generic116 claims90%
- Brand-name13 claims10%
Dr. Perttu'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. Perttu's Part D claims, 2024
- Opioids38%49 of 129 claims
- Antibiotics26%34 of 129 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: 572024: 7837%
Drugs named by CMS: 3 in 2024, 2 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
How Dr. Darren William Perttu takes part in Medicare
Dr. Perttu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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 gastrointestinal (GI) endoscopy for acid reflux: 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Darren William Perttu received $315 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Perttu from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Organogenesis Inc. paid the most, $116.
General payments to Dr. Perttu by program year, 2016 to 2025
Companies that paid Dr. Perttu 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. Darren William Perttu graduated from Michigan State University College of Human Medicine
Dr. Perttu graduated from Michigan State University College of Human Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Darren William Perttu'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) |
| 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. Darren William Perttu
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. Darren William Perttu's NPI number?
Dr. Darren William Perttu's NPI number is 1073833174. It was assigned on June 11, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Darren William Perttu?
Dr. Darren William Perttu is a general surgeon in Lancaster, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Darren William Perttu practice?
Dr. Perttu practices at 507 S Monroe St, Lancaster, WI 53813. Dr. Perttu's primary practice is Grant Regional Health Center in Lancaster, Wisconsin, part of Grant Regional. Dmand AI also links Dr. Perttu to 1 medical group.
What is Dr. Darren William Perttu's office phone number?
The practice phone on file for Dr. Perttu is (608) 723-2143.
What is Dr. Darren William Perttu's medical license number?
Dr. Perttu holds Wisconsin license 64227-20.
Which hospitals is Dr. Darren William Perttu affiliated with?
Dr. Perttu practices at Grant Regional Health Center in Lancaster, Wisconsin. Dr. Perttu is also affiliated with Vernon Health Hospital.
What medical group is Dr. Darren William Perttu part of?
Dr. Perttu is linked to Grant Regional Health Center. Dmand AI links Dr. Perttu to 1 more medical group.
Does Dr. Darren William Perttu accept Medicare?
Yes. CMS data shows Dr. Perttu billed Medicare for 18 services in 2024, and Dr. Perttu accepts Medicare assignment.
How many Medicare patients does Dr. Darren William Perttu see?
CMS counts 19 Medicare patients who saw Dr. Perttu in 2024, with an average age of 78.
What services does Dr. Darren William Perttu bill to Medicare?
In 2024, Dr. Perttu's most billed Medicare services were hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Darren William Perttu go to medical school?
Dr. Perttu graduated from Michigan State University College of Human Medicine in 2010.
What drugs does Dr. Darren William Perttu prescribe most?
In 2024 Medicare Part D data, Dr. Perttu's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Sucralfate and Omeprazole.
Has Dr. Darren William Perttu received payments from drug or device companies?
CMS Open Payments shows $315 in general payments to Dr. Perttu from 7 companies from 2016 to 2025. The largest total came from Organogenesis Inc.
How long has Dr. Darren William Perttu been practicing?
Dr. Perttu graduated from medical school in 2010, 16 years ago.
Selling to surgery practices?
See general surgeons in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card