Siavash Assar
- Medicare patients, 2024
- 318
- Part D claims, 2024
- 58
- Hospital affiliations
- 1
- Medical groups
- 3
- State license
- 1
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Siavash Assar'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.
Siavash Assar is an optometrist in San Francisco, California
Siavash Assar practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Siavash Assar's NPI, 1699298224, was assigned on July 25, 2017. Siavash Assar holds Pennsylvania license OEG003324.
- NPI
- 1699298224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527300698
- NPI enumeration date
- July 25, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Siavash Assar practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Siavash Assar's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Siavash Assar is affiliated with 3 sites of care and 3 medical groups
Siavash Assar's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Siavash Assar to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Siavash Assar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Siavash Assar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | 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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Siavash Assar is one of 7,206 optometrists in California
Optometrist is Siavash Assar's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Siavash Assar is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near Siavash Assar
Counts of optometrists 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
Siavash Assar treated 318 Medicare patients in 2024, average age 74
CMS counts 318 Medicare patients who saw Siavash Assar in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Siavash Assar's median patient age at 69, with 61% women.
Siavash Assar's Medicare patients by age, 2024
Siavash Assar's Medicare patients by sex, 2024
- Women19361%
- Men12539%
Chronic conditions among Siavash Assar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis38%
- Diabetes30%
- Mood disorders23%
- Ischemic heart disease22%
- Osteoporosis21%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Siavash Assar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Siavash Assar wrote 58 Medicare Part D claims in 2024
In 2024, Siavash Assar wrote 58 Medicare Part D claims for 31 patients. 43% of them were for generic drugs.
Siavash Assar's Part D claims by kind of drug, 2024
- Generic25 claims43%
- Brand-name33 claims57%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Siavash Assar takes part in Medicare
Siavash Assar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Siavash Assar'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 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 (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) |
| 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 Siavash Assar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Siavash Assar's NPI number?
Siavash Assar's NPI number is 1699298224. It was assigned on July 25, 2017, and it is active in the NPI Registry.
What does Siavash Assar specialize in?
Siavash Assar is an optometrist in San Francisco, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Siavash Assar practice?
Siavash Assar practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Siavash Assar's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Siavash Assar to 2 group practices and clinics and 2 medical groups.
What is Siavash Assar's office phone number?
The practice phone on file for Siavash Assar is (415) 353-2733.
What is Siavash Assar's medical license number?
Siavash Assar holds Pennsylvania license OEG003324.
Which hospitals is Siavash Assar affiliated with?
Siavash Assar practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Siavash Assar part of?
Siavash Assar is linked to UCSF Pediatrics. Dmand AI links Siavash Assar to 2 more medical groups.
Does Siavash Assar accept Medicare?
Yes. CMS lists Siavash Assar as accepting Medicare assignment.
How many Medicare patients does Siavash Assar see?
CMS counts 318 Medicare patients who saw Siavash Assar in 2024, with an average age of 74.
How long has Siavash Assar been practicing?
Siavash Assar graduated from medical school in 2017, 9 years ago.
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