Dr. Oussama Nachar, MD, PhD
- Medicare services, 2024
- 2,647
- Medicare patients, 2024
- 931
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Industry payments
- $147
- 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. Nachar'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. Oussama Nachar is a diagnostic radiologist in Houston, Texas
Dr. Nachar practices at Memorial MRI & Diagnostic - Houston in Houston, Texas.
Dr. Nachar's NPI, 1174575583, was assigned on May 16, 2006. Dr. Nachar graduated from Laval Univ in 1995. Dr. Nachar holds Texas license K8800.
- NPI
- 1174575583NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931175619
- NPI enumeration date
- May 16, 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. Oussama Nachar practices at Memorial MRI & Diagnostic - Houston in Houston, Texas
Dr. Nachar'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. Oussama Nachar is affiliated with 3 sites of care and 3 medical groups
Dr. Nachar's primary practice is Memorial MRI & Diagnostic - Houston in Houston, Texas. Dr. Nachar is also affiliated with DHR Health. The medical group on file is Memorial MRI & Diagnostic. Dmand AI also links Dr. Nachar to 2 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Nachar's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Oussama Nachar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nachar 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oussama Nachar is one of 2,616 diagnostic radiologists in Texas
Diagnostic radiology is Dr. Nachar's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Nachar is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dmand AI has Dr. Nachar's licenses on file in 6 states: Texas, Hawaii, Florida, Louisiana, Virginia and Vermont.
Specialties and state licenses
- Diagnostic radiology, TexasPrimary
- Hawaii license
- Florida license
- Nuclear medicine, Louisiana
- Virginia license
- Vermont license
Diagnostic radiologists near Dr. Nachar
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. Oussama Nachar billed Medicare for 2,647 services in 2024
CMS data shows 2,647 Medicare services from Dr. Nachar across 20 procedure codes in 2024, for 931 Medicare patients. Medicare paid $183,303 for them.
Dr. Nachar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2,6312024: 1,74234%
- Imaging
- 2023: 7472024: 90521%
Where Dr. Nachar's Medicare services took place, 2024
- In an office2,16082%
- In a facility48718%
Dr. Nachar compared with the Texas median for diagnostic radiologists, 2024
- Dr. Nachar
- Texas median
- Medicare services
- 2,647vs 1,87441% above
- Medicare patients
- 931vs 1,28427% below
Medians across 2,414 diagnostic radiologists in Texas with Dmand AI profiles that report each measure.
Dr. Nachar'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. Nachar and other diagnostic radiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oussama Nachar treated 931 Medicare patients in 2024, average age 73
CMS counts 931 Medicare patients who saw Dr. Nachar in 2024. The largest group is 65 to 74, with 432 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.75, 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. Nachar's median patient age at 65, with 57% women.
Dr. Nachar's Medicare patients by age, 2024
Dr. Nachar's Medicare patients by sex, 2024
- Women52957%
- Men40243%
Chronic conditions among Dr. Nachar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes41%
- Ischemic heart disease38%
- Chronic kidney disease37%
- COPD32%
- Cancer27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nachar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
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. Oussama Nachar scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Nachar for performance year 2024, reported as part of a group. Dr. Nachar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nachar's MIPS scores, performance year 2024
- 98of 100Final score
- 86of 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. Oussama Nachar received $147 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Nachar from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $131.
General payments to Dr. Nachar by program year, 2016 to 2023
Companies that paid Dr. Nachar the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Oussama Nachar graduated from Laval Univ
Dr. Nachar graduated from Laval Univ in 1995.
- Medical school
- Board certified in nuclear medicine
Source: Dmand AI Professional Profile Data
Dr. Oussama Nachar accepts plans from 22 insurance carriers
Dr. Nachar is in network with 22 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Humana
- +14 more carriersWith a free account
Plan types Dr. Nachar accepts, by number of carriers
- PPO13
- HMO10
- Medicare10
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Oussama Nachar'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) |
| 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. Oussama Nachar
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. Oussama Nachar's NPI number?
Dr. Oussama Nachar's NPI number is 1174575583. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oussama Nachar?
Dr. Oussama Nachar is a diagnostic radiologist in Houston, Texas. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Oussama Nachar practice?
Dr. Nachar practices at 1241 Campbell Road, Houston, TX 77055. Dr. Nachar's primary practice is Memorial MRI & Diagnostic - Houston in Houston, Texas. Dmand AI also links Dr. Nachar to 2 medical groups and 1 group practice or clinic.
What is Dr. Oussama Nachar's office phone number?
The practice phone on file for Dr. Nachar is (713) 461-3399.
What is Dr. Oussama Nachar's medical license number?
Dr. Nachar holds Texas license K8800, one of the licenses on file in 6 states.
Which states has Dr. Oussama Nachar been licensed in?
Dmand AI has state licenses on file for Dr. Nachar in Texas (1999 to 2026), Hawaii (2018 to 2026), Florida (2018 to 2022), Louisiana (2001 to 2018), Virginia (2000 to 2018) and Vermont (1998 to 2004).
Which hospitals is Dr. Oussama Nachar affiliated with?
Dr. Nachar is affiliated with DHR Health.
What medical group is Dr. Oussama Nachar part of?
Dr. Nachar is linked to Memorial MRI & Diagnostic. Dmand AI links Dr. Nachar to 2 more medical groups.
Does Dr. Oussama Nachar accept Medicare?
Yes. CMS data shows Dr. Nachar billed Medicare for 2,647 services in 2024, and Dr. Nachar accepts Medicare assignment.
What is Dr. Oussama Nachar's MIPS score?
Dr. Nachar's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Oussama Nachar see?
CMS counts 931 Medicare patients who saw Dr. Nachar in 2024, with an average age of 73.
Is Dr. Oussama Nachar board certified?
Yes. Dr. Nachar is board certified in nuclear medicine by the American Board of Nuclear Medicine.
What services does Dr. Oussama Nachar bill to Medicare?
In 2024, Dr. Nachar's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (71250) and nuclear medicine (78815).
Where did Dr. Oussama Nachar go to medical school?
Dr. Nachar graduated from Laval Univ in 1995.
Has Dr. Oussama Nachar received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to Dr. Nachar from 2 companies from 2016 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Oussama Nachar been practicing?
Dr. Nachar graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Oussama Nachar accept?
Dr. Nachar is in network with 22 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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