Dr. Peter D. Cladis, MD
- Medicare services, 2024
- 2,429
- Medicare patients, 2024
- 534
- Part D claims, 2024
- 6,940
- MIPS score, 2024
- 96
- Hospital affiliations
- 5
- Practice address
- 2425 Fargo Blvd, Geneva, IL 60134-3591
- Practice phone
- Call (630) 232-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medicine Regional Medical Group
Primary care practice · Geneva, Illinois
Find Dr. Cladis' 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. Peter D. Cladis is a family medicine physician in Geneva, Illinois
Dr. Cladis practices at Northwestern Medicine Regional Medical Group in Geneva, Illinois.
Dr. Cladis' NPI, 1467452755, was assigned on July 28, 2005. Dr. Cladis graduated from Northwestern University Feinberg Medical School in 1980.
- NPI
- 1467452755NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133279243
- NPI enumeration date
- July 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 232-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter D. Cladis practices at Northwestern Medicine Regional Medical Group in Geneva, Illinois
Dr. Cladis' primary practice is Northwestern Medicine Regional Medical Group, at 2425 Fargo Blvd, Geneva, IL 60134-3591. The practice phone is (630) 232-2200.
- Northwestern Medicine Regional Medical Group2425 Fargo Blvd, Geneva, IL 60134-3591Phone(630) 232-2200
Source: Dmand AI Affiliation Data
Dr. Peter D. Cladis is affiliated with 9 sites of care and 2 medical groups
Dr. Cladis' primary practice is Northwestern Medicine Regional Medical Group in Geneva, Illinois. Dr. Cladis is also affiliated with Northwestern Medicine Delnor Hospital. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Cladis to 4 more hospitals, 2 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter D. Cladis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cladis practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Regional Medical Group | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter D. Cladis is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Cladis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Cladis has a license on file in Illinois.
Specialties and state licenses
- Family medicine, Illinois
Family medicine physicians near Dr. Cladis
Counts of family medicine physicians 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. Peter D. Cladis billed Medicare for 2,429 services in 2024
CMS data shows 2,429 Medicare services from Dr. Cladis across 18 procedure codes in 2024, for 534 Medicare patients. Medicare paid $154,744 for them. Every service was in an office.
Dr. Cladis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 5772024: 85548%
- Office and hospital visits
- 2023: 1,0512024: 81522%
- Lab and pathology
- 2023: 4352024: 4213%
- Tests and treatments
- 2023: 1472024: 23963%
- Drugs given in the office
- 2023: 02024: 83
- Surgery
- 2023: 172024: 166%
Dr. Cladis compared with the Illinois median for family medicine physicians, 2024
- Dr. Cladis
- Illinois median
- Medicare services
- 2,429vs 3566.8 times
- Medicare patients
- 534vs 1603.3 times
- Part D claims
- 6,310vs 61810.2 times
Medians across 5,015 family medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Cladis' 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. Peter D. Cladis treated 534 Medicare patients in 2024, average age 74
CMS counts 534 Medicare patients who saw Dr. Cladis in 2024. The largest group is 65 to 74, with 309 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cladis' median patient age at 69, with 51% women.
Dr. Cladis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cladis' Medicare patients by sex, 2024
- Women26750%
- Men26750%
Chronic conditions among Dr. Cladis' Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis34%
- Diabetes17%
- Cancer16%
- Chronic kidney disease16%
- Ischemic heart disease16%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cladis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter D. Cladis wrote 6,940 Medicare Part D claims in 2024
In 2024, Dr. Cladis wrote 6,940 Medicare Part D claims for 967 patients. 88% of them were for generic drugs. CMS names the drug for 6,310 of them, across 98 drugs with 11 or more claims each, at $265,098 in total drug cost. In 2023, CMS named 5,939 claims across 100 drugs.
Dr. Cladis' Part D claims by kind of drug, 2024
- Generic6,112 claims88%
- Brand-name801 claims12%
- Other27 claims0%
Dr. Cladis' 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. Cladis' Part D claims, 2024
- Opioids0%32 of 6,940 claims
- Antibiotics3%181 of 6,940 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: 5,9392024: 6,3106%
Drugs named by CMS: 98 in 2024, 100 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. Peter D. Cladis scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Cladis for performance year 2024, reported through an alternative payment model (APM). Dr. Cladis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cladis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Cladis' MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 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. Peter D. Cladis received $156 in industry payments from 2016 to 2018
CMS Open Payments shows 8 general payments to Dr. Cladis from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. McKesson Medical-Surgical, Inc. paid the most, $62.
General payments to Dr. Cladis by program year, 2016 to 2018
Companies that paid Dr. Cladis the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter D. Cladis graduated from Northwestern University Feinberg Medical School
Dr. Cladis graduated from Northwestern University Feinberg Medical School in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter D. Cladis'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 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. Peter D. Cladis
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. Peter D. Cladis' NPI number?
Dr. Peter D. Cladis' NPI number is 1467452755. It was assigned on July 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter D. Cladis?
Dr. Peter D. Cladis is a family medicine physician in Geneva, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Peter D. Cladis practice?
Dr. Cladis practices at 2425 Fargo Blvd, Geneva, IL 60134-3591. Dr. Cladis' primary practice is Northwestern Medicine Regional Medical Group in Geneva, Illinois. Dmand AI also links Dr. Cladis to 4 hospitals, 2 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Peter D. Cladis' office phone number?
The practice phone on file for Dr. Cladis is (630) 232-2200.
Which hospitals is Dr. Peter D. Cladis affiliated with?
Dr. Cladis is affiliated with Northwestern Medicine Delnor Hospital. Dmand AI links Dr. Cladis to 4 more hospitals.
What medical group is Dr. Peter D. Cladis part of?
Dr. Cladis is linked to Northwestern Medicine Regional Medical Group. Dmand AI links Dr. Cladis to 1 more medical group.
Does Dr. Peter D. Cladis accept Medicare?
Yes. CMS data shows Dr. Cladis billed Medicare for 2,429 services in 2024, and Dr. Cladis accepts Medicare assignment.
Does Dr. Peter D. Cladis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Cladis as offering telehealth services.
What is Dr. Peter D. Cladis' MIPS score?
Dr. Cladis' MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Peter D. Cladis see?
CMS counts 534 Medicare patients who saw Dr. Cladis in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Peter D. Cladis bill to Medicare?
In 2024, Dr. Cladis' most billed Medicare services were office visit, established patient (99214), lab and pathology test (81003) and medicare service (G0439).
Where did Dr. Peter D. Cladis go to medical school?
Dr. Cladis graduated from Northwestern University Feinberg Medical School in 1980.
What drugs does Dr. Peter D. Cladis prescribe most?
In 2024 Medicare Part D data, Dr. Cladis' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Peter D. Cladis received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Cladis from 4 companies from 2016 to 2018. The largest total came from McKesson Medical-Surgical, Inc.
How long has Dr. Peter D. Cladis been practicing?
Dr. Cladis graduated from medical school in 1980, 46 years ago.
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