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Dr. James G. Mazalewski, MD
NPI1578674248PAC ID2365469814
- Medicare services, 2024
- 3,195
- Medicare patients, 2024
- 2,570
- Publications
- 2
- MIPS score, 2024
- 97
- Hospital affiliations
- 8
- Practice address
- 3300 S Fiske Blvd, Rockledge, FL 32955
- Practice phone
- Call (321) 434-5055
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Health First Medical Group
Rockledge, Florida
Find Dr. Mazalewski'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. James G. Mazalewski is a diagnostic radiologist in Rockledge, Florida
Dr. Mazalewski practices at Health First Medical Group in Rockledge, Florida.
Dr. Mazalewski's NPI, 1578674248, was assigned on August 31, 2006. Dr. Mazalewski graduated from USF Health Morsani College of Medicine in 1990. Dr. Mazalewski holds Florida license ME62313.
NPI and contact details
- NPI
- 1578674248NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365469814
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (321) 434-5055
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James G. Mazalewski practices at Health First Medical Group in Rockledge, Florida
Dr. Mazalewski's primary practice is Health First Medical Group, at 3300 S Fiske Blvd, Rockledge, FL 32955 in Brevard County. The practice phone is (321) 434-5055.
- Health First Medical Group3300 S Fiske Blvd, Rockledge, FL 32955 · Brevard CountyPhone(321) 434-5055
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James G. Mazalewski is affiliated with 16 sites of care and 18 medical groups
Dr. Mazalewski's primary practice is Health First Medical Group in Rockledge, Florida. Dr. Mazalewski is also affiliated with Good Samaritan University Hospital. The medical group on file is Health First Medical Group (Formerly Mima). Dmand AI also links Dr. Mazalewski to 7 more hospitals, 17 medical groups and 7 group practices and clinics, each named with a free account.
Health First Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James G. Mazalewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazalewski practices, 15 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Health First Medical Group | Available with a free account |
| +15 more sites and 17 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James G. Mazalewski is one of 2,422 diagnostic radiologists in Florida
Diagnostic radiology is Dr. Mazalewski's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Mazalewski is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Mazalewski's licenses on file in 15 states: Florida, Georgia, Illinois, Kentucky, Louisiana, Michigan, Missouri, Ohio, Pennsylvania, Tennessee, Indiana, Minnesota, North Carolina, New York and Wisconsin.
Specialties and state licenses
- Diagnostic radiology, FloridaPrimary
- Georgia license
- Illinois license
- Kentucky license
- Louisiana license
- Michigan license
- Missouri license
- Ohio license
- Pennsylvania license
- Tennessee license
- Indiana license
- Minnesota license
- North Carolina license
- New York license
- Wisconsin license
Diagnostic radiologists near Dr. Mazalewski
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. James G. Mazalewski billed Medicare for 3,195 services in 2024
CMS data shows 3,195 Medicare services from Dr. Mazalewski across 40 procedure codes in 2024, for 2,570 Medicare patients. Medicare paid $76,649 for them.
Medicare services, 20243,195
Medicare patients2,570
Paid by Medicare$76,649
Procedure codes40
Dr. Mazalewski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5,3322024: 3,12541%
- Tests and treatments
- 2023: 1522024: 5961%
- Other services
- 2023: 26,8912024: 11100%
Where Dr. Mazalewski's Medicare services took place, 2024
- In an office221%
- In a facility3,17399%
Dr. Mazalewski compared with the Florida median for diagnostic radiologists, 2024
- Dr. Mazalewski
- Florida median
- Medicare services
- 3,195vs 2,9488% above
- Medicare patients
- 2,570vs 1,60460% above
Medians across 2,249 diagnostic radiologists in Florida with Dmand AI profiles that report each measure.
Dr. Mazalewski'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. Mazalewski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mazalewski and other diagnostic radiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James G. Mazalewski treated 2,570 Medicare patients in 2024, average age 76
CMS counts 2,570 Medicare patients who saw Dr. Mazalewski in 2024. The largest group is 75 to 84, with 898 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.25, 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. Mazalewski's median patient age at 69, with 57% women.
Medicare patients, 20242,570
Average age76
Average risk score2.25
Also on Medicaid26%
Dr. Mazalewski's Medicare patients by age, 2024
Dr. Mazalewski's Medicare patients by sex, 2024
- Women1,33352%
- Men1,23748%
Chronic conditions among Dr. Mazalewski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Ischemic heart disease56%
- Diabetes49%
- Chronic kidney disease48%
- Heart failure45%
- Anxiety42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mazalewski's 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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James G. Mazalewski scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Mazalewski for performance year 2024, reported as part of a group. Dr. Mazalewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mazalewski's MIPS scores, performance year 2024
- 97of 100Final score
- 96.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James G. Mazalewski has 2 publications on record
Dmand AI links 2 papers to Dr. Mazalewski. The most frequent topics are Magnetic Resonance Imaging.
Papers2
Topics Dr. Mazalewski writes about most
- Magnetic Resonance Imaging
Recent publications by Dr. Mazalewski
Pediatr Radiol
BrainBrain EdemaLeigh Disease
See who Dr. Mazalewski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mazalewski works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James G. Mazalewski received $254 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to Dr. Mazalewski from 2 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $131.
General payments to Dr. Mazalewski by program year, 2017 to 2021
Companies that paid Dr. Mazalewski the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James G. Mazalewski graduated from USF Health Morsani College of Medicine
Dr. Mazalewski graduated from USF Health Morsani College of Medicine in 1990. Dr. Mazalewski is a member of ARRS.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. James G. Mazalewski accepts plans from 13 insurance carriers
Dr. Mazalewski is in network with 13 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Health Alliance Plan
- Regence Health Plans
- Cigna
- +5 more carriersWith a free account
Plan types Dr. Mazalewski accepts, by number of carriers
- PPO7
- Medicare6
- HMO4
- Medicaid4
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. James G. Mazalewski'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. James G. Mazalewski
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. James G. Mazalewski's NPI number?
Dr. James G. Mazalewski's NPI number is 1578674248. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James G. Mazalewski?
Dr. James G. Mazalewski is a diagnostic radiologist in Rockledge, Florida. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. James G. Mazalewski practice?
Dr. Mazalewski practices at 3300 S Fiske Blvd, Rockledge, FL 32955. Dr. Mazalewski's primary practice is Health First Medical Group in Rockledge, Florida. Dmand AI also links Dr. Mazalewski to 7 hospitals, 17 medical groups and 7 group practices and clinics.
What is Dr. James G. Mazalewski's office phone number?
The practice phone on file for Dr. Mazalewski is (321) 434-5055.
What is Dr. James G. Mazalewski's medical license number?
Dr. Mazalewski holds Florida license ME62313, one of the licenses on file in 15 states.
Which states has Dr. James G. Mazalewski been licensed in?
Dmand AI has state licenses on file for Dr. Mazalewski in Florida (1992 to 2026), Georgia (2006 to 2026), Illinois (2024 to 2026), Kentucky (2024 to 2026), Louisiana (2025 to 2026), Michigan (2023 to 2026), Missouri (2023 to 2026), Ohio (2024 to 2026), Pennsylvania (2024 to 2026), Tennessee (2023 to 2026), Indiana (2023 to 2025), Minnesota (2010 to 2025), North Carolina (2024 to 2025), New York (2023 to 2025) and Wisconsin (1993 to 2025).
Which hospitals is Dr. James G. Mazalewski affiliated with?
Dr. Mazalewski is affiliated with Good Samaritan University Hospital. Dmand AI links Dr. Mazalewski to 7 more hospitals.
What medical group is Dr. James G. Mazalewski part of?
Dr. Mazalewski is linked to Health First Medical Group (Formerly Mima). Dmand AI links Dr. Mazalewski to 17 more medical groups.
Does Dr. James G. Mazalewski accept Medicare?
Yes. CMS data shows Dr. Mazalewski billed Medicare for 3,195 services in 2024, and Dr. Mazalewski accepts Medicare assignment.
What is Dr. James G. Mazalewski's MIPS score?
Dr. Mazalewski's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. James G. Mazalewski see?
CMS counts 2,570 Medicare patients who saw Dr. Mazalewski in 2024, with an average age of 76.
Is Dr. James G. Mazalewski board certified?
Yes. Dr. Mazalewski is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. James G. Mazalewski bill to Medicare?
In 2024, Dr. Mazalewski's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (74176).
Where did Dr. James G. Mazalewski go to medical school?
Dr. Mazalewski graduated from USF Health Morsani College of Medicine in 1990.
Has Dr. James G. Mazalewski received payments from drug or device companies?
CMS Open Payments shows $254 in general payments to Dr. Mazalewski from 2 companies from 2017 to 2021. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. James G. Mazalewski been practicing?
Dr. Mazalewski graduated from medical school in 1990, 36 years ago.
Does Dr. James G. Mazalewski do research?
Dmand AI links 2 publications to Dr. Mazalewski.
What insurance does Dr. James G. Mazalewski accept?
Dr. Mazalewski is in network with 13 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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