Dr. Nicholas Gregory Iwasko, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 45
- Publications
- 3
- MIPS score, 2024
- 34
- Affiliated sites
- 3
- Practice address
- 1241 Campbell Road, Houston, TX 77055
- Practice phone
- Call (713) 461-3399
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial MRI & Diagnostic - Houston
Mammography / Breast Imaging Center · Houston, Texas
Find Dr. Iwasko'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. Nicholas Gregory Iwasko is a diagnostic radiologist in Houston, Texas
Dr. Iwasko practices at Memorial MRI & Diagnostic - Houston in Houston, Texas.
Dr. Iwasko's NPI, 1285649863, was assigned on July 30, 2006. Dr. Iwasko graduated from University of Miami, Miller School of Medicine in 1995. Dr. Iwasko's Texas license number on file is L3347.
- NPI
- 1285649863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668419516
- NPI enumeration date
- July 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 461-3399
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Gregory Iwasko practices at Memorial MRI & Diagnostic - Houston in Houston, Texas
Dr. Iwasko's primary practice is Memorial MRI & Diagnostic - Houston, at 1241 Campbell Road, Houston, TX 77055. The practice phone is (713) 461-3399.
- Memorial MRI & Diagnostic - Houston1241 Campbell Road, Houston, TX 77055Phone(713) 461-3399
Source: Dmand AI Affiliation Data
Dr. Nicholas Gregory Iwasko is affiliated with 3 sites of care and 5 medical groups
Dr. Iwasko's primary practice is Memorial MRI & Diagnostic - Houston in Houston, Texas. The medical group on file is Memorial MRI & Diagnostic. Dmand AI also links Dr. Iwasko to 4 more medical groups and 2 group practices and clinics, 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. Nicholas Gregory Iwasko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Iwasko practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial MRI & Diagnostic - Houston | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Gregory Iwasko is one of 2,616 diagnostic radiologists in Texas
Diagnostic radiology is Dr. Iwasko's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Iwasko is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Iwasko's licenses on file in 13 states: Texas, California, Michigan, Missouri, Ohio, Virginia, Florida, Indiana, New Jersey, Kansas, Pennsylvania, Connecticut and Louisiana.
Specialties and state licenses
- Diagnostic radiology, TexasPrimary
- California license
- Michigan license
- Missouri license
- Ohio license
- Virginia license
- Florida license
- Indiana license
- New Jersey license
- Kansas license
- Pennsylvania license
- Connecticut license
- Louisiana license
Diagnostic radiologists near Dr. Iwasko
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. Nicholas Gregory Iwasko billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Iwasko across 1 procedure code in 2024, for 45 Medicare patients. Medicare paid $1,274 for them. Every service was in an office.
Dr. Iwasko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3272024: 1296%
Dr. Iwasko compared with the Texas median for diagnostic radiologists, 2024
- Dr. Iwasko
- Texas median
- Medicare services
- 12vs 1,87499% below
- Medicare patients
- 45vs 1,28496% below
Medians across 2,414 diagnostic radiologists in Texas with Dmand AI profiles that report each measure.
Dr. Iwasko'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Iwasko and other diagnostic radiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Gregory Iwasko treated 45 Medicare patients in 2024, average age 70
CMS counts 45 Medicare patients who saw Dr. Iwasko in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high cholesterol, and 73% have arthritis. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Iwasko's median patient age at 55, with 55% women.
Dr. Iwasko's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Iwasko's Medicare patients by sex, 2024
- Women2249%
- Men2351%
Chronic conditions among Dr. Iwasko's Medicare patients, 2024
- High cholesterol75%
- Arthritis73%
- High blood pressure71%
- Diabetes40%
- Ischemic heart disease33%
- Anxiety27%
- Depression24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Iwasko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas Gregory Iwasko scored 34 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 34 out of 100 for Dr. Iwasko for performance year 2024, reported as part of a group. Dr. Iwasko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Iwasko's MIPS scores, performance year 2024
- 34of 100Final score
- 22.4of 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. Nicholas Gregory Iwasko has 3 publications on record
Dmand AI links 3 papers to Dr. Iwasko in 2002. Dr. Iwasko's most frequent co-authors are F. Alan Barber, MD, Pedro Jose Greer, MD and Datla G. Varma, MD.
Dr. Iwasko's most frequent co-authors
- F. Alan Barber, MD1 shared paper
- Pedro Jose Greer, MD1 shared paper
- Datla G. Varma, MD1 shared paper
Recent publications by Dr. Iwasko
See who Dr. Iwasko researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Iwasko 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. Nicholas Gregory Iwasko graduated from University of Miami, Miller School of Medicine
Dr. Iwasko graduated from University of Miami, Miller School of Medicine in 1995.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Nicholas Gregory Iwasko accepts plans from 18 insurance carriers
Dr. Iwasko is in network with 18 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Cigna
- Elevance
- HCSC
- +10 more carriersWith a free account
Plan types Dr. Iwasko accepts, by number of carriers
- HMO10
- PPO9
- Medicare6
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Nicholas Gregory Iwasko'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)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 |
| 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. Nicholas Gregory Iwasko
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. Nicholas Gregory Iwasko's NPI number?
Dr. Nicholas Gregory Iwasko's NPI number is 1285649863. It was assigned on July 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Gregory Iwasko?
Dr. Nicholas Gregory Iwasko is a diagnostic radiologist in Houston, Texas. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Nicholas Gregory Iwasko practice?
Dr. Iwasko practices at 1241 Campbell Road, Houston, TX 77055. Dr. Iwasko's primary practice is Memorial MRI & Diagnostic - Houston in Houston, Texas. Dmand AI also links Dr. Iwasko to 4 medical groups and 2 group practices and clinics.
What is Dr. Nicholas Gregory Iwasko's office phone number?
The practice phone on file for Dr. Iwasko is (713) 461-3399.
What is Dr. Nicholas Gregory Iwasko's medical license number?
Dr. Iwasko's Texas license number on file is L3347, one of the licenses on file in 13 states.
Which states has Dr. Nicholas Gregory Iwasko been licensed in?
Dmand AI has state licenses on file for Dr. Iwasko in Texas (2002 to 2025), California (1999 to 2026), Michigan (2001 to 2026), Missouri (2020 to 2026), Ohio (2000 to 2026), Virginia (2020 to 2026), Florida (1997 to 2025), Indiana (2000 to 2025), New Jersey (2021 to 2025), Kansas (2020 to 2024), Pennsylvania (2021 to 2024), Connecticut (2021 to 2023) and Louisiana (2001 to 2002).
What medical group is Dr. Nicholas Gregory Iwasko part of?
Dr. Iwasko is linked to Memorial MRI & Diagnostic. Dmand AI links Dr. Iwasko to 4 more medical groups.
Does Dr. Nicholas Gregory Iwasko accept Medicare?
Yes. CMS data shows Dr. Iwasko billed Medicare for 12 services in 2024, and Dr. Iwasko accepts Medicare assignment.
What is Dr. Nicholas Gregory Iwasko's MIPS score?
Dr. Iwasko's MIPS final score for performance year 2024 is 34 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nicholas Gregory Iwasko see?
CMS counts 45 Medicare patients who saw Dr. Iwasko in 2024, with an average age of 70.
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Is Dr. Nicholas Gregory Iwasko board certified?
Yes. Dr. Iwasko is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Nicholas Gregory Iwasko bill to Medicare?
In 2024, Dr. Iwasko's most billed Medicare services were diagnostic imaging (72148).
Where did Dr. Nicholas Gregory Iwasko go to medical school?
Dr. Iwasko graduated from University of Miami, Miller School of Medicine in 1995.
How long has Dr. Nicholas Gregory Iwasko been practicing?
Dr. Iwasko graduated from medical school in 1995, 31 years ago.
Does Dr. Nicholas Gregory Iwasko do research?
Dmand AI links 3 publications to Dr. Iwasko.
Who does Dr. Nicholas Gregory Iwasko publish with?
Dr. Iwasko's most frequent co-authors are F. Alan Barber, MD (1 shared paper), Pedro Jose Greer, MD (1 shared paper) and Datla G. Varma, MD (1 shared paper).
What insurance does Dr. Nicholas Gregory Iwasko accept?
Dr. Iwasko is in network with 18 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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