Dr. Hossein M. Aziz, DO
- Medicare services, 2024
- 401
- Medicare patients, 2024
- 141
- Part D claims, 2024
- 792
- MIPS score, 2024
- 85
- Hospital affiliations
- 2
- Practice address
- 2525 Erringer Rd, Simi Valley, CA 93065
- Practice phone
- Call (805) 641-6415
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ventura Orthopedics
Simi Valley, California
Find Dr. Aziz'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. Hossein M. Aziz is an orthopedic surgeon in Simi Valley, California
Dr. Aziz practices at Ventura Orthopedics in Simi Valley, California.
Dr. Aziz's NPI, 1790167054, was assigned on June 23, 2015. Dr. Aziz holds Alabama license 2302.
- NPI
- 1790167054NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840613535
- NPI enumeration date
- June 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 641-6415
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hossein M. Aziz practices at Ventura Orthopedics in Simi Valley, California
Dr. Aziz's primary practice is Ventura Orthopedics, at 2525 Erringer Rd, Simi Valley, CA 93065 in Ventura County. The practice phone is (805) 641-6415.
- Ventura Orthopedics2525 Erringer Rd, Simi Valley, CA 93065 · Ventura CountyPhone(805) 641-6415
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hossein M. Aziz is affiliated with 4 sites of care and 4 medical groups
Dr. Aziz's primary practice is Ventura Orthopedics in Simi Valley, California. Dr. Aziz is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Ventura Orthopedics. Dmand AI also links Dr. Aziz to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Hossein M. Aziz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aziz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ventura Orthopedics | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hossein M. Aziz is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Aziz's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Aziz is licensed in Alabama.
Specialties and state licenses
- Orthopaedic surgery, AlabamaPrimary
Orthopedic surgeons near Dr. Aziz
Counts of orthopedic surgeons 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. Hossein M. Aziz billed Medicare for 401 services in 2024
CMS data shows 401 Medicare services from Dr. Aziz across 10 procedure codes in 2024, for 141 Medicare patients. Medicare paid $25,659 for them. Every service was in an office.
Dr. Aziz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2152024: 25318%
- Imaging
- 2023: 1132024: 14831%
Dr. Aziz compared with the California median for orthopedic surgeons, 2024
- Dr. Aziz
- California median
- Medicare services
- 401vs 68341% below
- Medicare patients
- 141vs 21534% below
- Part D claims
- 712vs 7010.2 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Aziz'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hossein M. Aziz treated 141 Medicare patients in 2024, average age 73
CMS counts 141 Medicare patients who saw Dr. Aziz in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have arthritis, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Aziz's median patient age at 64, with 65% women.
Dr. Aziz's Medicare patients by age, 2024
Dr. Aziz's Medicare patients by sex, 2024
- Women8963%
- Men5237%
Chronic conditions among Dr. Aziz's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes43%
- Depression38%
- Mood disorders38%
- Chronic kidney disease34%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aziz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hossein M. Aziz wrote 792 Medicare Part D claims in 2024
In 2024, Dr. Aziz wrote 792 Medicare Part D claims for 250 patients. 99% of them were for generic drugs. CMS names the drug for 712 of them, across 9 drugs with 11 or more claims each, at $7,567 in total drug cost. In 2023, CMS named 698 claims across 10 drugs.
Dr. Aziz's Part D claims by kind of drug, 2024
- Generic782 claims99%
- Brand-name and other10 claims1%
Dr. Aziz's most prescribed drugs by claims, 2024
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. Aziz's Part D claims, 2024
- Opioids56%443 of 792 claims
- Antibiotics3%23 of 792 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6982024: 7122%
Drugs named by CMS: 9 in 2024, 10 in 2023.
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
Dr. Hossein M. Aziz scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Aziz for performance year 2024, reported as part of a group. Dr. Aziz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Aziz as offering telehealth. CMS counts 14 procedures of spinal fusion by Dr. Aziz, more than 31% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Aziz's MIPS scores, performance year 2024
- 85of 100Final score
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Aziz ranks in Medicare procedure volume
- Spinal fusion
- 31st percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Hossein M. Aziz received $24,949 in industry payments from 2017 to 2025
CMS Open Payments shows 242 general payments to Dr. Aziz from 32 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 64% of the total. Nuvasive, Inc. paid the most, $7,636.
General payments to Dr. Aziz by program year, 2017 to 2025
General payments to Dr. Aziz by kind, 2017 to 2025
- Travel and lodging$15,99064%
- Food and beverage$8,51234%
- Education$4472%
Companies that paid Dr. Aziz the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Hossein M. Aziz's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hossein M. Aziz
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. Hossein M. Aziz's NPI number?
Dr. Hossein M. Aziz's NPI number is 1790167054. It was assigned on June 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Hossein M. Aziz?
Dr. Hossein M. Aziz is an orthopedic surgeon in Simi Valley, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Hossein M. Aziz practice?
Dr. Aziz practices at 2525 Erringer Rd, Simi Valley, CA 93065. Dr. Aziz's primary practice is Ventura Orthopedics in Simi Valley, California. Dmand AI also links Dr. Aziz to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Dr. Hossein M. Aziz's office phone number?
The practice phone on file for Dr. Aziz is (805) 641-6415.
What is Dr. Hossein M. Aziz's medical license number?
Dr. Aziz holds Alabama license 2302.
Which hospitals is Dr. Hossein M. Aziz affiliated with?
Dr. Aziz is affiliated with Community Memorial Hospital - Ventura. Dmand AI links Dr. Aziz to 1 more hospital.
What medical group is Dr. Hossein M. Aziz part of?
Dr. Aziz is linked to Ventura Orthopedics. Dmand AI links Dr. Aziz to 3 more medical groups.
Does Dr. Hossein M. Aziz accept Medicare?
Yes. CMS data shows Dr. Aziz billed Medicare for 401 services in 2024, and Dr. Aziz accepts Medicare assignment.
Does Dr. Hossein M. Aziz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Aziz as offering telehealth services.
What is Dr. Hossein M. Aziz's MIPS score?
Dr. Aziz's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Hossein M. Aziz see?
CMS counts 141 Medicare patients who saw Dr. Aziz in 2024, with an average age of 73.
What services does Dr. Hossein M. Aziz bill to Medicare?
In 2024, Dr. Aziz's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and diagnostic imaging (72110).
What drugs does Dr. Hossein M. Aziz prescribe most?
In 2024 Medicare Part D data, Dr. Aziz's most prescribed drugs by claims were Oxycodone-Acetaminophen, Hydrocodone-Acetaminophen and Cyclobenzaprine HCl.
Has Dr. Hossein M. Aziz received payments from drug or device companies?
CMS Open Payments shows $24,949 in general payments to Dr. Aziz from 32 companies from 2017 to 2025. The largest total came from Nuvasive, Inc.
How long has Dr. Hossein M. Aziz been practicing?
Dr. Aziz graduated from medical school in 2015, 11 years ago.
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