Dr. Leszek J. Jaszczak, MD
- Medicare services, 2023
- 2,598
- Medicare patients, 2024
- 121
- Hospital affiliations
- 6
- Industry payments
- $35
- Medical groups
- 11
- Practice address
- 1200 Westwood Dr, Hamilton, MT 59840
- Practice phone
- Call (406) 363-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jaszczak'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. Leszek J. Jaszczak is a diagnostic radiologist in Hamilton, Montana
Dr. Jaszczak practices at Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health.
Dr. Jaszczak's NPI, 1467528455, was assigned on November 28, 2006. Dr. Jaszczak graduated from Wayne State University School Of Medicine in 1993. Dr. Jaszczak's North Dakota license number on file is 7782.
- NPI
- 1467528455NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456243922
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 363-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leszek J. Jaszczak practices at Bitterroot Health - Daly Hospital in Hamilton, Montana
Dr. Jaszczak's primary practice is Bitterroot Health - Daly Hospital, at 1200 Westwood Dr, Hamilton, MT 59840 in Ravalli County. The practice phone is (406) 363-2211.
- Bitterroot Health - Daly Hospital1200 Westwood Dr, Hamilton, MT 59840 · Ravalli CountyPhone(406) 363-2211
Source: Dmand AI Affiliation Data
Dr. Leszek J. Jaszczak is affiliated with 10 sites of care and 11 medical groups
Dr. Jaszczak's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dr. Jaszczak is also affiliated with Great Falls Hospital. The medical group on file is Great Falls Clinic Hospital. Dmand AI also links Dr. Jaszczak to 4 more hospitals, 10 medical groups, 3 group practices and clinics and 1 physician office, 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. Leszek J. Jaszczak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jaszczak practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bitterroot Health - Daly Hospital | Available with a free account |
| +9 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leszek J. Jaszczak is one of 115 diagnostic radiologists in Montana
Diagnostic radiology is Dr. Jaszczak's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Jaszczak is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Jaszczak's licenses on file in 6 states: North Dakota, Montana, Michigan, Wyoming, Minnesota and Iowa.
Specialties and state licenses
- Diagnostic radiology, North DakotaPrimary
- Montana license
- Michigan license
- Wyoming license
- Minnesota license
- Iowa license
Diagnostic radiologists near Dr. Jaszczak
Counts of diagnostic radiologists 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. Leszek J. Jaszczak billed Medicare for 2,598 services in 2023
CMS data shows 2,598 Medicare services from Dr. Jaszczak across 43 procedure codes in 2023, for 121 Medicare patients. Medicare paid $76,578 for them.
Dr. Jaszczak's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Imaging
- 2022: 1,8012023: 1,6876%
- Drugs given in the office
- 2022: 4382023: 53422%
- Other services
- 2022: 2082023: 23011%
- Office and hospital visits
- 2022: 822023: 9111%
- Surgery
- 2022: 242023: 3650%
- Tests and treatments
- 2022: 282023: 2029%
Where Dr. Jaszczak's Medicare services took place, 2023
- In an office1,53559%
- In a facility1,06341%
Dr. Jaszczak compared with the Montana median for diagnostic radiologists, 2023
- Dr. Jaszczak
- Montana median
- Medicare services
- 2,598vs 2,7897% below
- Medicare patients
- 121vs 2,29395% below
Medians across 123 diagnostic radiologists in Montana with Dmand AI profiles that report each measure.
Dr. Jaszczak's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jaszczak and other diagnostic radiologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leszek J. Jaszczak treated 121 Medicare patients in 2024, average age 75
CMS counts 121 Medicare patients who saw Dr. Jaszczak in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jaszczak's median patient age at 61, with 73% women.
Dr. Jaszczak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jaszczak's Medicare patients by sex, 2024
- Women6554%
- Men5646%
Chronic conditions among Dr. Jaszczak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis56%
- Diabetes41%
- Chronic kidney disease33%
- Heart failure32%
- Ischemic heart disease30%
- COPD26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jaszczak'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
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Leszek J. Jaszczak takes part in Medicare
Dr. Jaszczak 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. Leszek J. Jaszczak received $35 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Jaszczak from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $35.
Companies that paid Dr. Jaszczak the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leszek J. Jaszczak graduated from Wayne State University School Of Medicine
Dr. Jaszczak graduated from Wayne State University School Of Medicine in 1993.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Leszek J. Jaszczak accepts plans from 12 insurance carriers
Dr. Jaszczak is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Medica
- United Healthcare
- Blue Cross Blue Shield of North Dakota
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +4 more carriersWith a free account
Plan types Dr. Jaszczak accepts, by number of carriers
- Medicare10
- PPO10
- HMO5
- POS5
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leszek J. Jaszczak'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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Leszek J. Jaszczak
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. Leszek J. Jaszczak's NPI number?
Dr. Leszek J. Jaszczak's NPI number is 1467528455. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leszek J. Jaszczak?
Dr. Leszek J. Jaszczak is a diagnostic radiologist in Hamilton, Montana. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Leszek J. Jaszczak practice?
Dr. Jaszczak practices at 1200 Westwood Dr, Hamilton, MT 59840. Dr. Jaszczak's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dmand AI also links Dr. Jaszczak to 4 hospitals, 10 medical groups, 3 group practices and clinics and 1 physician office.
What is Dr. Leszek J. Jaszczak's office phone number?
The practice phone on file for Dr. Jaszczak is (406) 363-2211.
What is Dr. Leszek J. Jaszczak's medical license number?
Dr. Jaszczak's North Dakota license number on file is 7782, one of the licenses on file in 6 states.
Which states has Dr. Leszek J. Jaszczak been licensed in?
Dmand AI has state licenses on file for Dr. Jaszczak in North Dakota (1997 to 2025), Montana (1999 to 2026), Michigan (1996 to 2022), Wyoming (2013 to 2017), Minnesota (2012 to 2016) and Iowa (2013).
Which hospitals is Dr. Leszek J. Jaszczak affiliated with?
Dr. Jaszczak practices at Bitterroot Health - Daly Hospital in Hamilton, Montana. Dr. Jaszczak is also affiliated with Great Falls Hospital. Dmand AI links Dr. Jaszczak to 4 more hospitals.
What medical group is Dr. Leszek J. Jaszczak part of?
Dr. Jaszczak is linked to Great Falls Clinic Hospital. Dmand AI links Dr. Jaszczak to 10 more medical groups.
Does Dr. Leszek J. Jaszczak accept Medicare?
Yes. CMS data shows Dr. Jaszczak billed Medicare for 2,598 services in 2023, and Dr. Jaszczak accepts Medicare assignment.
How many Medicare patients does Dr. Leszek J. Jaszczak see?
CMS counts 121 Medicare patients who saw Dr. Jaszczak in 2024, with an average age of 75.
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Is Dr. Leszek J. Jaszczak board certified?
Yes. Dr. Jaszczak is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Leszek J. Jaszczak bill to Medicare?
In 2023, Dr. Jaszczak's most billed Medicare services were injected or infused drug (J3301), medical supplies or transport (A9577) and diagnostic imaging (71046).
Where did Dr. Leszek J. Jaszczak go to medical school?
Dr. Jaszczak graduated from Wayne State University School Of Medicine in 1993.
Has Dr. Leszek J. Jaszczak received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Jaszczak from 1 company from 2019 to 2019. The largest total came from Boston Scientific Corporation.
How long has Dr. Leszek J. Jaszczak been practicing?
Dr. Jaszczak graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Leszek J. Jaszczak accept?
Dr. Jaszczak is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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