J Oncol Pharm Pract
Acute Kidney InjuryImmune Checkpoint Inhibitors
Dr. Rebecca M. Blonsky, MD
NPI1669812764PAC ID3678795259
- Medicare services, 2024
- 899
- Medicare patients, 2024
- 225
- Part D claims, 2024
- 575
- Publications
- 3
- Hospital affiliations
- 4
- Practice address
- 1000 N Oak Ave, Marshfield, WI 54449
- Practice phone
- Call (715) 356-0132
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Star Dialysis
Marshfield, Wisconsin
Find Dr. Blonsky's professional email, personal email and mobile number
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Dr. Rebecca M. Blonsky is a nephrologist in Marshfield, Wisconsin
Dr. Blonsky practices at Northern Star Dialysis in Marshfield, Wisconsin.
Dr. Blonsky's NPI, 1669812764, was assigned on July 3, 2013. Dr. Blonsky holds Wisconsin license 62801.
NPI and contact details
- NPI
- 1669812764NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678795259
- NPI enumeration date
- July 3, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 356-0132
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rebecca M. Blonsky practices at Northern Star Dialysis in Marshfield, Wisconsin
Dr. Blonsky's primary practice is Northern Star Dialysis, at 1000 N Oak Ave, Marshfield, WI 54449 in Wood County. The practice phone is (715) 356-0132.
- Northern Star Dialysis1000 N Oak Ave, Marshfield, WI 54449 · Wood CountyPhone(715) 356-0132
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rebecca M. Blonsky is affiliated with 12 sites of care and 3 medical groups
Dr. Blonsky's primary practice is Northern Star Dialysis in Marshfield, Wisconsin. Dr. Blonsky is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Blonsky to 3 more hospitals, 4 dialysis centers, 3 group practices and clinics and 2 medical groups, each named with a free account.
Northern Star DialysisPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rebecca M. Blonsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blonsky practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Star Dialysis | Available with a free account |
| +11 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rebecca M. Blonsky is one of 168 nephrologists in Wisconsin
Nephrology is Dr. Blonsky's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Blonsky is licensed in Wisconsin.
Specialties and state licenses
- Nephrology, WisconsinPrimary
Nephrologists near Dr. Blonsky
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
168nephrologists in Wisconsin
9nephrologists in Marshfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rebecca M. Blonsky billed Medicare for 899 services in 2024
CMS data shows 899 Medicare services from Dr. Blonsky across 12 procedure codes in 2024, for 225 Medicare patients. Medicare paid $115,947 for them.
Medicare services, 2024899
Medicare patients225
Paid by Medicare$115,947
Procedure codes12
Dr. Blonsky's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1282024: 696444%
- Office and hospital visits
- 2023: 342024: 192465%
- Other services
- 2023: 02024: 11
Where Dr. Blonsky's Medicare services took place, 2024
- In an office54461%
- In a facility35539%
Dr. Blonsky compared with the Wisconsin median for nephrologists, 2024
- Dr. Blonsky
- Wisconsin median
- Medicare services
- 899vs 67733% above
- Medicare patients
- 225vs 236Close to median
- Part D claims
- 395vs 65139% below
Medians across 167 nephrologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Blonsky'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. Blonsky?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blonsky and other nephrologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rebecca M. Blonsky treated 225 Medicare patients in 2024, average age 69
CMS counts 225 Medicare patients who saw Dr. Blonsky in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 33% are also on Medicaid. Their average risk score is 5.26, 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. Blonsky's median patient age at 71, with 45% women.
Medicare patients, 2024225
Average age69
Average risk score5.26
Also on Medicaid33%
Dr. Blonsky's Medicare patients by age, 2024
Dr. Blonsky's Medicare patients by sex, 2024
- Women10547%
- Men12053%
Chronic conditions among Dr. Blonsky's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Ischemic heart disease51%
- Heart failure49%
- Arthritis38%
- Atrial fibrillation35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blonsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rebecca M. Blonsky wrote 575 Medicare Part D claims in 2024
In 2024, Dr. Blonsky wrote 575 Medicare Part D claims for 173 patients. 95% of them were for generic drugs. CMS names the drug for 395 of them, across 15 drugs with 11 or more claims each, at $9,126 in total drug cost. In 2023, CMS named 558 claims across 16 drugs.
Part D claims, 2024575
Drugs named by CMS15
Total drug cost$9,126
Part D patients173
Dr. Blonsky's Part D claims by kind of drug, 2024
- Generic546 claims95%
- Brand-name29 claims5%
Dr. Blonsky'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. Blonsky's Part D claims, 2024
- Antibiotics2%11 of 575 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: 5582024: 39529%
Drugs named by CMS: 15 in 2024, 16 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. Rebecca M. Blonsky takes part in Medicare
Dr. Blonsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rebecca M. Blonsky has 3 publications on record
Dmand AI links 3 papers to Dr. Blonsky, published from 2021 to 2023. Dr. Blonsky's most frequent co-authors are Chady Abboud Leon, MD, Zebi Fatima, MD and Prathima Gopinath, MD.
Papers3
Years published2021 to 2023
Dr. Blonsky's most frequent co-authors
Recent publications by Dr. Blonsky
Advisory CommitteesAmerican Heart AssociationCardiology
See who Dr. Blonsky researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blonsky works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rebecca M. Blonsky received $426 in industry payments from 2016 to 2024
CMS Open Payments shows 20 general payments to Dr. Blonsky from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $170.
General payments to Dr. Blonsky by program year, 2016 to 2024
Companies that paid Dr. Blonsky the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rebecca M. Blonsky'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Rebecca M. Blonsky
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. Rebecca M. Blonsky's NPI number?
Dr. Rebecca M. Blonsky's NPI number is 1669812764. It was assigned on July 3, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Rebecca M. Blonsky?
Dr. Rebecca M. Blonsky is a nephrologist in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Rebecca M. Blonsky practice?
Dr. Blonsky practices at 1000 N Oak Ave, Marshfield, WI 54449. Dr. Blonsky's primary practice is Northern Star Dialysis in Marshfield, Wisconsin. Dmand AI also links Dr. Blonsky to 3 hospitals, 4 dialysis centers, 3 group practices and clinics and 2 medical groups.
What is Dr. Rebecca M. Blonsky's office phone number?
The practice phone on file for Dr. Blonsky is (715) 356-0132.
What is Dr. Rebecca M. Blonsky's medical license number?
Dr. Blonsky holds Wisconsin license 62801.
Which hospitals is Dr. Rebecca M. Blonsky affiliated with?
Dr. Blonsky is affiliated with Marshfield Medical Center - Marshfield. Dmand AI links Dr. Blonsky to 3 more hospitals.
What medical group is Dr. Rebecca M. Blonsky part of?
Dr. Blonsky is linked to Marshfield Clinic Health System. Dmand AI links Dr. Blonsky to 2 more medical groups.
Does Dr. Rebecca M. Blonsky accept Medicare?
Yes. CMS data shows Dr. Blonsky billed Medicare for 899 services in 2024, and Dr. Blonsky accepts Medicare assignment.
How many Medicare patients does Dr. Rebecca M. Blonsky see?
CMS counts 225 Medicare patients who saw Dr. Blonsky in 2024, with an average age of 69.
What services does Dr. Rebecca M. Blonsky bill to Medicare?
In 2024, Dr. Blonsky's most billed Medicare services were dialysis (90960), dialysis (90970) and dialysis (90935).
Show 5 more questionsShow fewer questions
What drugs does Dr. Rebecca M. Blonsky prescribe most?
In 2024 Medicare Part D data, Dr. Blonsky's most prescribed drugs by claims were Amlodipine Besylate, Lisinopril and Carvedilol.
Has Dr. Rebecca M. Blonsky received payments from drug or device companies?
CMS Open Payments shows $426 in general payments to Dr. Blonsky from 6 companies from 2016 to 2024. The largest total came from Relypsa, Inc.
How long has Dr. Rebecca M. Blonsky been practicing?
Dr. Blonsky graduated from medical school in 2013, 13 years ago.
Does Dr. Rebecca M. Blonsky do research?
Dmand AI links 3 publications to Dr. Blonsky, published from 2021 to 2023.
Who does Dr. Rebecca M. Blonsky publish with?
Dr. Blonsky's most frequent co-authors are Chady Abboud Leon, MD (1 shared paper), Zebi Fatima, MD (1 shared paper) and Prathima Gopinath, MD (1 shared paper).
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