Dr. Parham Yashar, MD
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 228
- Part D claims, 2024
- 66
- Publications
- 22
- Hospital affiliations
- 4
- Practice address
- 741 S Orange Ave, West Covina, CA 91790
- Practice phone
- Call (626) 338-7391
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Samimi Orthopedic Group, Inc.
West Covina, California
Find Dr. Yashar'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. Parham Yashar is a neurosurgeon in West Covina, California
Dr. Yashar practices at Samimi Orthopedic Group, Inc. in West Covina, California.
Dr. Yashar's NPI, 1215100805, was assigned on April 4, 2008. Dr. Yashar graduated from Feinberg School of Medicine in 2005. Dr. Yashar holds California license A100139.
- NPI
- 1215100805NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799948394
- NPI enumeration date
- April 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 338-7391
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Parham Yashar practices at Samimi Orthopedic Group, Inc. in West Covina, California
Dr. Yashar's primary practice is Samimi Orthopedic Group, Inc., at 741 S Orange Ave, West Covina, CA 91790 in Los Angeles County. The practice phone is (626) 338-7391.
- Samimi Orthopedic Group, Inc.741 S Orange Ave, West Covina, CA 91790 · Los Angeles CountyPhone(626) 338-7391
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Parham Yashar is affiliated with 10 sites of care and 6 medical groups
Dr. Yashar's primary practice is Samimi Orthopedic Group, Inc. in West Covina, California. Dr. Yashar is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Samimi Orthopedic Group. Dmand AI also links Dr. Yashar to 3 more hospitals, 5 medical groups, 3 group practices and clinics and 2 physician offices, 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. Parham Yashar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yashar practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Samimi Orthopedic Group, Inc. | Available with a free account |
| +9 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Parham Yashar is one of 846 neurosurgeons in California
Neurological surgery is Dr. Yashar's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Yashar is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Yashar's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, spinal fusion and thoracic spine disorders among the conditions Dr. Yashar treats.
Neurosurgeons near Dr. Yashar
Counts of neurosurgeons 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. Parham Yashar billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Dr. Yashar across 10 procedure codes in 2024, for 228 Medicare patients. Medicare paid $49,368 for them.
Dr. Yashar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2402024: 27013%
- Surgery
- 2023: 342024: 93174%
Where Dr. Yashar's Medicare services took place, 2024
- In an office22261%
- In a facility14139%
Dr. Yashar compared with the California median for neurosurgeons, 2024
- Dr. Yashar
- California median
- Medicare services
- 363vs 21668% above
- Medicare patients
- 228vs 15448% above
- Part D claims
- 29vs 2612% above
Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.
Dr. Yashar'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. Yashar and other neurosurgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Parham Yashar treated 228 Medicare patients in 2024, average age 74
CMS counts 228 Medicare patients who saw Dr. Yashar in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have arthritis, and 75% have high blood pressure. 36% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yashar's median patient age at 63, with 50% women.
Dr. Yashar's Medicare patients by age, 2024
Dr. Yashar's Medicare patients by sex, 2024
- Women12655%
- Men10245%
Chronic conditions among Dr. Yashar's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease44%
- Diabetes40%
- Mood disorders38%
- Depression36%
- Osteoporosis34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yashar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Parham Yashar wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Yashar wrote 66 Medicare Part D claims for 29 patients. 100% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $213 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Yashar'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. Yashar's Part D claims, 2024
- Opioids29%19 of 66 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: 122024: 29142%
Drugs named by CMS: 2 in 2024, 1 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. Parham Yashar ranks in the 88th percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare
Dr. Yashar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yashar as offering telehealth. CMS counts 74 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Yashar, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Yashar ranks in Medicare procedure volume
- Spinal fusion
- 84th percentile153 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 88th percentile74 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Parham Yashar has 22 publications on record
Dmand AI links 22 papers to Dr. Yashar, published from 2007 to 2016. 2011 was the busiest year, with 9. The most frequent topics are Embolization, Therapeutic, Brain Ischemia and Cerebral Angiography. Dr. Yashar has published most often in World Neurosurg. Dr. Yashar's most frequent co-authors are Peter T. Kan, MD, Arun P. Amar, MD and Henry Huntington Batjer, MD.
Dr. Yashar's papers by year, 2007 to 2016
Topics Dr. Yashar writes about most
- Embolization, Therapeutic
- Brain Ischemia
- Cerebral Angiography
- Intracranial Aneurysm
- Neurosurgical Procedures
- Stroke
- Thrombolytic Therapy
- Aneurysm, Ruptured
Dr. Yashar's most frequent co-authors
- Peter T. Kan, MD7 shared papers
- Arun P. Amar, MD1 shared paper
- Henry Huntington Batjer, MD1 shared paper
Recent publications by Dr. Yashar
World Neurosurg
J Neurointerv Surg
See who Dr. Yashar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yashar works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Parham Yashar received $41,839 in industry payments from 2016 to 2025
CMS Open Payments shows 347 general payments to Dr. Yashar from 42 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Globus Medical, Inc. paid the most, $9,571.
General payments to Dr. Yashar by program year, 2016 to 2025
General payments to Dr. Yashar by kind, 2016 to 2025
- Travel and lodging$15,88438%
- Food and beverage$13,88133%
- Consulting fees$12,07429%
Companies that paid Dr. Yashar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Parham Yashar graduated from Feinberg School of Medicine
Dr. Yashar graduated from Feinberg School of Medicine in 2005. Dr. Yashar is a member of ACS and Congress of Neurological Surgeons.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Parham Yashar accepts plans from 11 insurance carriers
Dr. Yashar is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, Highmark and Aetna. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Highmark
- Aetna
- Humana
- Blue Cross Blue Shield of Massachusetts
- Cigna
- HCSC
- Molina
- +3 more carriersWith a free account
Plan types Dr. Yashar accepts, by number of carriers
- Medicare10
- PPO8
- HMO5
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Parham Yashar'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (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. Parham Yashar
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. Parham Yashar's NPI number?
Dr. Parham Yashar's NPI number is 1215100805. It was assigned on April 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Parham Yashar?
Dr. Parham Yashar is a neurosurgeon in West Covina, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Parham Yashar practice?
Dr. Yashar practices at 741 S Orange Ave, West Covina, CA 91790. Dr. Yashar's primary practice is Samimi Orthopedic Group, Inc. in West Covina, California. Dmand AI also links Dr. Yashar to 3 hospitals, 5 medical groups, 3 group practices and clinics and 2 physician offices.
What is Dr. Parham Yashar's office phone number?
The practice phone on file for Dr. Yashar is (626) 338-7391.
What is Dr. Parham Yashar's medical license number?
Dr. Yashar holds California license A100139, one of the licenses on file in 2 states.
Which states has Dr. Parham Yashar been licensed in?
Dmand AI has state licenses on file for Dr. Yashar in California (2007 to 2027) and New York (2010 to 2026).
Which hospitals is Dr. Parham Yashar affiliated with?
Dr. Yashar is affiliated with Cedars-Sinai Medical Center. Dmand AI links Dr. Yashar to 3 more hospitals.
What medical group is Dr. Parham Yashar part of?
Dr. Yashar is linked to Samimi Orthopedic Group. Dmand AI links Dr. Yashar to 5 more medical groups.
Does Dr. Parham Yashar accept Medicare?
Yes. CMS data shows Dr. Yashar billed Medicare for 363 services in 2024, and Dr. Yashar accepts Medicare assignment.
Does Dr. Parham Yashar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yashar as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Parham Yashar see?
CMS counts 228 Medicare patients who saw Dr. Yashar in 2024, with an average age of 74.
Is Dr. Parham Yashar board certified?
Yes. Dr. Yashar is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Parham Yashar bill to Medicare?
In 2024, Dr. Yashar's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and critical care (99291).
Where did Dr. Parham Yashar go to medical school?
Dr. Yashar graduated from Feinberg School of Medicine in 2005.
What drugs does Dr. Parham Yashar prescribe most?
In 2024 Medicare Part D data, Dr. Yashar's most prescribed drugs by claims were Ibuprofen and Hydrocodone-Acetaminophen.
Has Dr. Parham Yashar received payments from drug or device companies?
CMS Open Payments shows $41,839 in general payments to Dr. Yashar from 42 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.
How long has Dr. Parham Yashar been practicing?
Dr. Yashar graduated from medical school in 2005, 21 years ago.
Does Dr. Parham Yashar do research?
Dmand AI links 22 publications to Dr. Yashar, published from 2007 to 2016.
Who does Dr. Parham Yashar publish with?
Dr. Yashar's most frequent co-authors are Peter T. Kan, MD (7 shared papers), Arun P. Amar, MD (1 shared paper) and Henry Huntington Batjer, MD (1 shared paper).
What insurance does Dr. Parham Yashar accept?
Dr. Yashar is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, Highmark and Aetna. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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