Sam Siamak Markzar, DDS
- Medicare services, 2024
- 767
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 914
- Industry payments
- $469
- Affiliated sites
- 1
- Practice address
- 8500 Wilshire Blvd Ste 819 Suite 819, Beverly Hills, CA 90211-3106
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Beverly Hills Periodontal Arts & Implants
Physician office · Beverly Hills, California
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Sam Siamak Markzar is an oral and maxillofacial surgery (dentist) in Beverly Hills, California
Sam Markzar practices at Beverly Hills Periodontal Arts & Implants in Beverly Hills, California.
Sam Markzar's NPI, 1891906624, was assigned on May 24, 2007. Sam Markzar graduated from Herman Ostrow School of Dentistry of USC in 1994. Sam Markzar holds California license 41954.
- NPI
- 1891906624NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Sam Siamak Markzar practices at Beverly Hills Periodontal Arts & Implants in Beverly Hills, California
Sam Markzar's primary practice is Beverly Hills Periodontal Arts & Implants, at 8500 Wilshire Blvd Ste 819 Suite 819, Beverly Hills, CA 90211-3106.
- Beverly Hills Periodontal Arts & Implants8500 Wilshire Blvd Ste 819 Suite 819, Beverly Hills, CA 90211-3106
Source: Dmand AI Affiliation Data
Sam Siamak Markzar is affiliated with 1 site of care
Sam Markzar's primary practice is Beverly Hills Periodontal Arts & Implants in Beverly Hills, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sam Siamak Markzar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sam Markzar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beverly Hills Periodontal Arts & Implants | Available with a free account |
Source: Dmand AI Technology Install Data
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Sam Siamak Markzar is one of 563 orals and maxillofacial surgery (dentist)s in California
Oral and maxillofacial surgery is Sam Markzar's primary specialty in the NPI Registry, under taxonomy code 1223S0112X. Sam Markzar is licensed in California.
Specialties and state licenses
- Oral and maxillofacial surgery (dentist), CaliforniaPrimary
Orals and maxillofacial surgery (dentist)s near Sam Markzar
Counts of orals and maxillofacial surgery (dentist)s 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
Sam Siamak Markzar billed Medicare for 767 services in 2024
CMS data shows 767 Medicare services from Sam Markzar across 20 procedure codes in 2024, for 84 Medicare patients. Medicare paid $298,971 for them. Every service was in an office.
Sam Markzar's Medicare services by type, 2024
- Surgery512
- Imaging130
- Tests and treatments76
- Office and hospital visits49
Sam Markzar compared with the California median for orals and maxillofacial surgery (dentist)s, 2024
- Sam Markzar
- California median
- Medicare services
- 767vs 938.2 times
- Medicare patients
- 84vs 312.7 times
- Part D claims
- 883vs 2303.8 times
Medians across 574 orals and maxillofacial surgery (dentist)s in California with Dmand AI profiles that report each measure.
Sam Markzar'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 Sam Markzar and other orals and maxillofacial surgery (dentist)s in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Sam Siamak Markzar treated 84 Medicare patients in 2024, average age 75
CMS counts 84 Medicare patients who saw Sam Markzar in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sam Markzar's median patient age at 72, with 25% women.
Sam Markzar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sam Markzar's Medicare patients by sex, 2024
- Women4655%
- Men3845%
Chronic conditions among Sam Markzar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes52%
- Ischemic heart disease38%
- Osteoporosis37%
- Anxiety30%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Sam Markzar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sam Siamak Markzar wrote 914 Medicare Part D claims in 2024
In 2024, Sam Markzar wrote 914 Medicare Part D claims for 228 patients. 99% of them were for generic drugs. CMS names the drug for 883 of them, across 5 drugs with 11 or more claims each, at $2,897 in total drug cost.
Sam Markzar's Part D claims by kind of drug, 2024
- Generic904 claims99%
- Brand-name and other10 claims1%
Sam Markzar'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 Sam Markzar's Part D claims, 2024
- Antibiotics42%384 of 914 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Sam Siamak Markzar received $469 in industry payments from 2024 to 2025
CMS Open Payments shows 11 general payments to Sam Markzar from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 81% of the total. Straumann USA LLC paid the most, $292.
General payments to Sam Markzar by program year, 2024 to 2025
General payments to Sam Markzar by kind, 2024 to 2025
- Food and beverage$38281%
- Speaker and faculty fees$8719%
Companies that paid Sam Markzar the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sam Siamak Markzar graduated from Herman Ostrow School of Dentistry of USC
Sam Markzar graduated from Herman Ostrow School of Dentistry of USC in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Sam Siamak Markzar'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Sam Siamak Markzar
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What is Sam Siamak Markzar's NPI number?
Sam Siamak Markzar's NPI number is 1891906624. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What does Sam Siamak Markzar specialize in?
Sam Siamak Markzar is an oral and maxillofacial surgery (dentist) in Beverly Hills, California. The primary specialty in the NPI Registry is Oral and Maxillofacial Surgery (Dentist) (taxonomy code 1223S0112X).
Where does Sam Siamak Markzar practice?
Sam Markzar practices at 8500 Wilshire Blvd Ste 819 Suite 819, Beverly Hills, CA 90211-3106. Sam Markzar's primary practice is Beverly Hills Periodontal Arts & Implants in Beverly Hills, California.
What is Sam Siamak Markzar's medical license number?
Sam Markzar holds California license 41954.
Does Sam Siamak Markzar accept Medicare?
Yes. CMS data shows Sam Markzar billed Medicare for 767 services in 2024.
How many Medicare patients does Sam Siamak Markzar see?
CMS counts 84 Medicare patients who saw Sam Markzar in 2024, with an average age of 75.
What services does Sam Siamak Markzar bill to Medicare?
In 2024, Sam Markzar's most billed Medicare services were surgery: blood and lymph system (38206), special service (99195) and surgery: digestive system (40812).
Where did Sam Siamak Markzar go to medical school?
Sam Markzar graduated from Herman Ostrow School of Dentistry of USC in 1994.
What drugs does Sam Siamak Markzar prescribe most?
In 2024 Medicare Part D data, Sam Markzar's most prescribed drugs by claims were Amoxicillin, Chlorhexidine Gluconate and Ibuprofen.
Has Sam Siamak Markzar received payments from drug or device companies?
CMS Open Payments shows $469 in general payments to Sam Markzar from 4 companies from 2024 to 2025. The largest total came from Straumann USA LLC.
How long has Sam Siamak Markzar been practicing?
Sam Markzar graduated from medical school in 1994, 32 years ago.
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