Dr. Steven Joseph Gregoritch, MD

  • Monroe, WI
  • Radiation oncologist
NPI1841290772PAC ID6103811153
Medicare services, 2024
356
Medicare patients, 2024
22
Part D claims, 2024
79
Publications
3
Clinical trials
1
Practice address
515 22nd Ave, Monroe, WI 53566
Practice phone
Call (608) 324-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

SSM Health Monroe Hospital

Hospital · Monroe, Wisconsin

See all 5 affiliations

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Dr. Steven Joseph Gregoritch is a radiation oncologist in Monroe, Wisconsin

Dr. Gregoritch practices at SSM Health Monroe Hospital in Monroe, Wisconsin, part of SSM Health Care.

Dr. Gregoritch's NPI, 1841290772, was assigned on July 21, 2005. Dr. Gregoritch graduated from Indiana University School Of Medicine in 1986. Dr. Gregoritch holds New York license 171770.

NPI and contact details
Medicare PAC ID
6103811153
NPI enumeration date
July 21, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(608) 324-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Steven Joseph Gregoritch practices at SSM Health Monroe Hospital in Monroe, Wisconsin

Dr. Gregoritch's primary practice is SSM Health Monroe Hospital, at 515 22nd Ave, Monroe, WI 53566 in Green County. The practice phone is (608) 324-2000.

Source: Dmand AI Affiliation Data

Dr. Steven Joseph Gregoritch is affiliated with 3 sites of care and 2 medical groups

Dr. Gregoritch's primary practice is SSM Health Monroe Hospital in Monroe, Wisconsin, part of SSM Health Care. The medical group on file is SSM Health Monroe Clinic Medical Group. Dmand AI also links Dr. Gregoritch to 1 more home health agency, 1 hospice and 1 medical group, each named with a free account. Dr. Gregoritch's employer is on file too: a hospital.

See all 5 affiliations for Dr. Gregoritch

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Steven Joseph Gregoritch's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregoritch practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
SSM Health Monroe HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven Joseph Gregoritch is one of 121 radiation oncologists in Wisconsin

Radiation oncology is Dr. Gregoritch's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Gregoritch is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Gregoritch's licenses on file in 8 states: New York, Iowa, Ohio, Pennsylvania, Indiana, Wisconsin, Louisiana and Arkansas.

Specialties and state licenses

  • Radiation oncology, New YorkPrimaryLicense 171770 · 1987 to 2026 · taxonomy 2085R0001X
  • Iowa license2025 to 2027
  • Ohio licenseLicense 35.152097 · 2024 to 2026
  • Pennsylvania license1995 to 2026
  • Indiana license1994 to 2025
  • Wisconsin license2025
  • Louisiana license1995 to 2010
  • Arkansas license1999 to 2006

Clinical focus

Dmand AI lists bladder cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, head & neck cancer radiation, lung cancer radiation, lymphoma radiation and prostate cancer radiation among the conditions Dr. Gregoritch treats.

Radiation oncologists near Dr. Gregoritch

Counts of radiation oncologists 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. Steven Joseph Gregoritch billed Medicare for 356 services in 2024

CMS data shows 356 Medicare services from Dr. Gregoritch across 5 procedure codes in 2024, for 22 Medicare patients. Medicare paid $17,268 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024356
Medicare patients22
Paid by Medicare$17,268
Procedure codes5

Dr. Gregoritch's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 8922024: 35660%

Dr. Gregoritch compared with the Wisconsin median for radiation oncologists, 2024

  • Dr. Gregoritch
  • Wisconsin median
Medicare services
356vs 88960% below
Medicare patients
22vs 14885% below
Part D claims
46vs 4112% above

Medians across 125 radiation oncologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Gregoritch'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.

See all procedures by Dr. Gregoritch

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gregoritch and other radiation oncologists in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Steven Joseph Gregoritch treated 22 Medicare patients in 2024, average age 74

CMS counts 22 Medicare patients who saw Dr. Gregoritch in 2024. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 2.87, 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. Gregoritch's median patient age at 74, with 47% women.

Medicare patients, 202422
Average age74
Average risk score2.87

Chronic conditions among Dr. Gregoritch's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol68%
  4. Arthritis59%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gregoritch's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Steven Joseph Gregoritch wrote 79 Medicare Part D claims in 2024

In 2024, Dr. Gregoritch wrote 79 Medicare Part D claims for 30 patients. 89% of them were for generic drugs. CMS names the drug for 46 of them, across 2 drugs with 11 or more claims each, at $664 in total drug cost. In 2022, CMS named 15 claims across 1 drug.

Part D claims, 202479
Drugs named by CMS2
Total drug cost$664
Part D patients30

Dr. Gregoritch's Part D claims by kind of drug, 2024

  • Generic70 claims89%
  • Brand-name and other9 claims11%

Dr. Gregoritch's most prescribed drugs by claims, 2023

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. Gregoritch's Part D claims, 2024

  • Opioids27%21 of 79 claims
  • Antibiotics16%13 of 79 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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 152023: 46207%

Drugs named by CMS: 2 in 2023, 1 in 2022.

See all prescribing by Dr. Gregoritch

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. Steven Joseph Gregoritch takes part in Medicare

Dr. Gregoritch 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. Steven Joseph Gregoritch has 3 publications on record

Dmand AI links 3 papers to Dr. Gregoritch. Dr. Gregoritch's most frequent co-author is Robert M. Lifeso, MD.

Papers3

Dr. Gregoritch's most frequent co-authors

Recent publications by Dr. Gregoritch

See all 3 publications and co-authors

See who Dr. Gregoritch researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gregoritch works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Steven Joseph Gregoritch has worked on 1 clinical trial

Dmand AI links Dr. Gregoritch to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Carcinoma, Intraductal, Noninfiltrating and Breast Carcinoma In Situ.

Conditions in Dr. Gregoritch's trials

  • Carcinoma, Intraductal, Noninfiltrating
  • Breast Carcinoma In Situ

Investigators on the most trials with Dr. Gregoritch

Recent clinical trials with Dr. Gregoritch

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Steven Joseph Gregoritch received $458 in industry payments from 2016 to 2023

CMS Open Payments shows 8 general payments to Dr. Gregoritch from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $163.

General payments to Dr. Gregoritch by program year, 2016 to 2023

Companies that paid Dr. Gregoritch the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Gregoritch

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Steven Joseph Gregoritch graduated from Indiana University School Of Medicine

Dr. Gregoritch graduated from Indiana University School Of Medicine in 1986. Dr. Gregoritch is a member of ACP, ACRO and ASTRO.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Steven Joseph Gregoritch accepts plans from 6 insurance carriers

Dr. Gregoritch is in network with 6 carriers, including Aetna, Highmark and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Highmark
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Cigna
  • HCSC

Plan types Dr. Gregoritch accepts, by number of carriers

  1. PPO6
  2. Medicare5
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Steven Joseph Gregoritch's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Steven Joseph Gregoritch

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. Steven Joseph Gregoritch's NPI number?

Dr. Steven Joseph Gregoritch's NPI number is 1841290772. It was assigned on July 21, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven Joseph Gregoritch?

Dr. Steven Joseph Gregoritch is a radiation oncologist in Monroe, Wisconsin. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Steven Joseph Gregoritch practice?

Dr. Gregoritch practices at 515 22nd Ave, Monroe, WI 53566. Dr. Gregoritch's primary practice is SSM Health Monroe Hospital in Monroe, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Gregoritch to 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Steven Joseph Gregoritch's office phone number?

The practice phone on file for Dr. Gregoritch is (608) 324-2000.

What is Dr. Steven Joseph Gregoritch's medical license number?

Dr. Gregoritch holds New York license 171770, one of the licenses on file in 8 states.

Which states has Dr. Steven Joseph Gregoritch been licensed in?

Dmand AI has state licenses on file for Dr. Gregoritch in New York (1987 to 2026), Iowa (2025 to 2027), Ohio (2024 to 2026), Pennsylvania (1995 to 2026), Indiana (1994 to 2025), Wisconsin (2025), Louisiana (1995 to 2010) and Arkansas (1999 to 2006).

Which hospitals is Dr. Steven Joseph Gregoritch affiliated with?

Dr. Gregoritch practices at SSM Health Monroe Hospital in Monroe, Wisconsin.

What medical group is Dr. Steven Joseph Gregoritch part of?

Dr. Gregoritch is linked to SSM Health Monroe Clinic Medical Group. Dmand AI links Dr. Gregoritch to 1 more medical group.

Does Dr. Steven Joseph Gregoritch accept Medicare?

Yes. CMS data shows Dr. Gregoritch billed Medicare for 356 services in 2024, and Dr. Gregoritch accepts Medicare assignment.

How many Medicare patients does Dr. Steven Joseph Gregoritch see?

CMS counts 22 Medicare patients who saw Dr. Gregoritch in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Steven Joseph Gregoritch board certified?

Yes. Dr. Gregoritch is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Steven Joseph Gregoritch bill to Medicare?

In 2024, Dr. Gregoritch's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Where did Dr. Steven Joseph Gregoritch go to medical school?

Dr. Gregoritch graduated from Indiana University School Of Medicine in 1986.

What drugs does Dr. Steven Joseph Gregoritch prescribe most?

In 2023 Medicare Part D data, Dr. Gregoritch's most prescribed drugs by claims were Tamsulosin HCl and Oxycodone HCl.

Has Dr. Steven Joseph Gregoritch received payments from drug or device companies?

CMS Open Payments shows $458 in general payments to Dr. Gregoritch from 5 companies from 2016 to 2023. The largest total came from Novocure Inc.

How long has Dr. Steven Joseph Gregoritch been practicing?

Dr. Gregoritch graduated from medical school in 1986, 40 years ago.

Does Dr. Steven Joseph Gregoritch do research?

Dmand AI links 3 publications to Dr. Gregoritch. Dr. Gregoritch has worked on 1 clinical trial.

Who does Dr. Steven Joseph Gregoritch publish with?

Dr. Gregoritch's most frequent co-authors are Robert M. Lifeso, MD (1 shared paper).

What insurance does Dr. Steven Joseph Gregoritch accept?

Dr. Gregoritch is in network with 6 carriers, including Aetna, Highmark and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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