Dr. Jilaine M. Bolek Berquist, MD
- Medicare services, 2024
- 2,941
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 2,015
- Hospital affiliations
- 4
- Industry payments
- $2,572
- 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. Bolek Berquist's professional email, personal email and mobile number
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Dr. Jilaine M. Bolek Berquist is a rheumatologist in Janesville, Wisconsin
Dr. Bolek Berquist practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care.
Dr. Bolek Berquist's NPI, 1346208766, was assigned on May 3, 2006. Dr. Bolek Berquist graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004. Dr. Bolek Berquist holds Wisconsin license 48867-20.
- NPI
- 1346208766NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395843833
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 373-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jilaine M. Bolek Berquist practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin
Dr. Bolek Berquist'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. Jilaine M. Bolek Berquist is affiliated with 5 sites of care and 2 medical groups
Dr. Bolek Berquist's primary practice is SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care. Dr. Bolek Berquist is also affiliated with SSM Health St. Mary's Hospital - Madison. The medical group on file is Mercyhealth. Dmand AI also links Dr. Bolek Berquist to 2 more hospitals, 1 group practice or clinic 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. Jilaine M. Bolek Berquist's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bolek Berquist practices, 5 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 |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jilaine M. Bolek Berquist is one of 138 rheumatologists in Wisconsin
Rheumatology is Dr. Bolek Berquist's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Bolek Berquist is licensed in Wisconsin.
Specialties and state licenses
- Rheumatology, WisconsinPrimary
Rheumatologists near Dr. Bolek Berquist
Counts of rheumatologists 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. Jilaine M. Bolek Berquist billed Medicare for 2,941 services in 2024
CMS data shows 2,941 Medicare services from Dr. Bolek Berquist across 14 procedure codes in 2024, for 265 Medicare patients. Medicare paid $71,552 for them. Every service was in an office.
Dr. Bolek Berquist's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,3322024: 1,68026%
- Office and hospital visits
- 2023: 3962024: 4083%
- Other services
- 2023: 02024: 330
- Lab and pathology
- 2023: 2632024: 2692%
- Surgery
- 2023: 2102024: 2194%
- Tests and treatments
- 2023: 282024: 3525%
Dr. Bolek Berquist compared with the Wisconsin median for rheumatologists, 2024
- Dr. Bolek Berquist
- Wisconsin median
- Medicare services
- 2,941vs 5145.7 times
- Medicare patients
- 265vs 19933% above
- Part D claims
- 1,835vs 1,04076% above
Medians across 143 rheumatologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Bolek Berquist'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. Jilaine M. Bolek Berquist treated 265 Medicare patients in 2024, average age 72
CMS counts 265 Medicare patients who saw Dr. Bolek Berquist in 2024. The largest group is 65 to 74, with 144 patients. 67% of them have high cholesterol, and 66% have arthritis. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bolek Berquist's median patient age at 72, with 81% women.
Dr. Bolek Berquist's Medicare patients by age, 2024
Dr. Bolek Berquist's Medicare patients by sex, 2024
- Women21682%
- Men4918%
Chronic conditions among Dr. Bolek Berquist's Medicare patients, 2024
- High cholesterol67%
- Arthritis66%
- High blood pressure52%
- Osteoporosis47%
- Anxiety24%
- Depression22%
- Mood disorders22%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bolek Berquist's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women81%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jilaine M. Bolek Berquist wrote 2,015 Medicare Part D claims in 2024
In 2024, Dr. Bolek Berquist wrote 2,015 Medicare Part D claims for 304 patients. 86% of them were for generic drugs. CMS names the drug for 1,835 of them, across 25 drugs with 11 or more claims each, at $1,257,586 in total drug cost. In 2023, CMS named 1,885 claims across 23 drugs.
Dr. Bolek Berquist's Part D claims by kind of drug, 2024
- Generic1,739 claims86%
- Brand-name and other276 claims14%
Dr. Bolek Berquist'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. Bolek Berquist's Part D claims, 2024
- Opioids4%80 of 2,015 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: 1,8852024: 1,8353%
Drugs named by CMS: 25 in 2024, 23 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. Jilaine M. Bolek Berquist offers telehealth to Medicare patients
Dr. Bolek Berquist accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bolek Berquist as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jilaine M. Bolek Berquist received $2,572 in industry payments from 2016 to 2020
CMS Open Payments shows 30 general payments to Dr. Bolek Berquist from 8 drug and device companies from 2016 to 2020. Honoraria make up the largest share, 86% of the total. Pfizer Inc. paid the most, $2,372.
General payments to Dr. Bolek Berquist by program year, 2016 to 2020
General payments to Dr. Bolek Berquist by kind, 2016 to 2020
- Honoraria$2,22086%
- Food and beverage$29311%
- Education$592%
Companies that paid Dr. Bolek Berquist the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jilaine M. Bolek Berquist graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Bolek Berquist graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jilaine M. Bolek Berquist'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) |
| 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. Jilaine M. Bolek Berquist
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. Jilaine M. Bolek Berquist's NPI number?
Dr. Jilaine M. Bolek Berquist's NPI number is 1346208766. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jilaine M. Bolek Berquist?
Dr. Jilaine M. Bolek Berquist is a rheumatologist in Janesville, Wisconsin. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Jilaine M. Bolek Berquist practice?
Dr. Bolek Berquist practices at 3400 East Racine Street, Janesville, WI 53546. Dr. Bolek Berquist's primary practice is SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Bolek Berquist to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Jilaine M. Bolek Berquist's office phone number?
The practice phone on file for Dr. Bolek Berquist is (608) 373-8000.
What is Dr. Jilaine M. Bolek Berquist's medical license number?
Dr. Bolek Berquist holds Wisconsin license 48867-20.
Which hospitals is Dr. Jilaine M. Bolek Berquist affiliated with?
Dr. Bolek Berquist practices at SSM Health St. Mary's Hospital - Janesville in Janesville, Wisconsin. Dr. Bolek Berquist is also affiliated with SSM Health St. Mary's Hospital - Madison. Dmand AI links Dr. Bolek Berquist to 2 more hospitals.
What medical group is Dr. Jilaine M. Bolek Berquist part of?
Dr. Bolek Berquist is linked to Mercyhealth. Dmand AI links Dr. Bolek Berquist to 1 more medical group.
Does Dr. Jilaine M. Bolek Berquist accept Medicare?
Yes. CMS data shows Dr. Bolek Berquist billed Medicare for 2,941 services in 2024, and Dr. Bolek Berquist accepts Medicare assignment.
Does Dr. Jilaine M. Bolek Berquist offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bolek Berquist as offering telehealth services.
How many Medicare patients does Dr. Jilaine M. Bolek Berquist see?
CMS counts 265 Medicare patients who saw Dr. Bolek Berquist in 2024, with an average age of 72.
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What services does Dr. Jilaine M. Bolek Berquist bill to Medicare?
In 2024, Dr. Bolek Berquist's most billed Medicare services were injected or infused drug (J0897), medicare service (G2211) and surgery: heart and blood vessels (36415).
Where did Dr. Jilaine M. Bolek Berquist go to medical school?
Dr. Bolek Berquist graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004.
What drugs does Dr. Jilaine M. Bolek Berquist prescribe most?
In 2024 Medicare Part D data, Dr. Bolek Berquist's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Prednisone.
Has Dr. Jilaine M. Bolek Berquist received payments from drug or device companies?
CMS Open Payments shows $2,572 in general payments to Dr. Bolek Berquist from 8 companies from 2016 to 2020. The largest total came from Pfizer Inc.
How long has Dr. Jilaine M. Bolek Berquist been practicing?
Dr. Bolek Berquist graduated from medical school in 2004, 22 years ago.
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