Dr. Aaron Siani, MD

  • West Covina, CA
  • Psychiatrist
NPI1831535053
Medicare services, 2024
224
Medicare patients, 2024
26
Part D claims, 2024
24
Publications
4
Industry payments
$265
Practice address
640 S Sunset Ave, West Covina, CA 91790
Practice phone
Call (818) 446-6396
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Aaron Siani is a psychiatrist in West Covina, California

Dr. Siani practices in West Covina, California.

Dr. Siani's NPI, 1831535053, was assigned on May 14, 2013. Dr. Siani holds California license A134553.

NPI and contact details
NPI enumeration date
May 14, 2013
NPI status
Active
Practice phone
(818) 446-6396
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Aaron Siani's practice address is in West Covina, California

Dr. Siani's practice address in the NPI Registry is 640 S Sunset Ave, West Covina, CA 91790, in Los Angeles County. The practice phone is (818) 446-6396.

  • NPI Registry address
    640 S Sunset Ave, West Covina, CA 91790 · Los Angeles CountyPhone(818) 446-6396

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Aaron Siani's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siani practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Siani's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aaron Siani is one of 6,803 psychiatrists in California

Psychiatry is Dr. Siani's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Siani is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Siani is licensed in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A134553 · 2015 to 2027 · taxonomy 2084P0800X

Clinical focus

Dmand AI lists depression among the conditions Dr. Siani treats.

Psychiatrists near Dr. Siani

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

6,803psychiatrists in California
6psychiatrists in West Covina

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Aaron Siani billed Medicare for 224 services in 2024

CMS data shows 224 Medicare services from Dr. Siani across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $247,525 for them. Every service was in an office.

Medicare services, 2024224
Medicare patients26
Paid by Medicare$247,525
Procedure codes1

Dr. Siani's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 4272024: 22448%

Dr. Siani compared with the California median for psychiatrists, 2024

  • Dr. Siani
  • California median
Medicare services
224vs 11988% above
Medicare patients
26vs 4137% below
Part D claims
22vs 14485% below

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

Dr. Siani'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.

See all procedures by Dr. Siani

Need commercial claims for Dr. Siani?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Aaron Siani treated 26 Medicare patients in 2024, average age 62

CMS counts 26 Medicare patients who saw Dr. Siani in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have anxiety, and 75% have depression. 46% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Medicare patients, 202426
Average age62
Average risk score0.99
Also on Medicaid46%

Dr. Siani's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Siani's Medicare patients, 2024

  1. Anxiety75%
  2. Depression75%
  3. Mood disorders75%
  4. High cholesterol73%
  5. Arthritis62%
  6. High blood pressure58%

Share of Medicare patients with each condition. A patient can have several.

Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Aaron Siani wrote 24 Medicare Part D claims in 2024

In 2024, Dr. Siani wrote 24 Medicare Part D claims. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $52,597 in total drug cost. In 2023, CMS named 27 claims across 1 drug.

Part D claims, 202424
Drugs named by CMS1
Total drug cost$52,597

Dr. Siani'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 272024: 2219%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Siani

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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Dr. Aaron Siani has 4 publications on record

Dmand AI links 4 papers to Dr. Siani, published from 2011 to 2012. 2012 was the busiest year, with 3. Dr. Siani's most frequent co-authors are Timothy Wayne Fong, MD, Iman Parhami, MD, MPH and Homayoon Khanlou, MD.

Papers4
Years published2011 to 2012

Dr. Siani's most frequent co-authors

Recent publications by Dr. Siani

See all 4 publications and co-authors

See who Dr. Siani researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siani works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Aaron Siani received $265 in industry payments from 2020 to 2025

CMS Open Payments shows 3 general payments to Dr. Siani from 3 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $129.

General payments to Dr. Siani by program year, 2020 to 2025

Companies that paid Dr. Siani the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Siani

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Aaron Siani is board certified in psychiatry

  1. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Aaron Siani accepts plans from 8 insurance carriers

Dr. Siani is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • United Healthcare

Plan types Dr. Siani accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Aaron Siani's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Aaron Siani

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. Aaron Siani's NPI number?

Dr. Aaron Siani's NPI number is 1831535053. It was assigned on May 14, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron Siani?

Dr. Aaron Siani is a psychiatrist in West Covina, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Aaron Siani practice?

Dr. Siani practices at 640 S Sunset Ave, West Covina, CA 91790.

What is Dr. Aaron Siani's office phone number?

The practice phone on file for Dr. Siani is (818) 446-6396.

What is Dr. Aaron Siani's medical license number?

Dr. Siani holds California license A134553.

Does Dr. Aaron Siani accept Medicare?

Yes. CMS data shows Dr. Siani billed Medicare for 224 services in 2024.

How many Medicare patients does Dr. Aaron Siani see?

CMS counts 26 Medicare patients who saw Dr. Siani in 2024, with an average age of 62.

Is Dr. Aaron Siani board certified?

Yes. Dr. Siani is board certified in psychiatry by the American Board of Psychiatry and Neurology.

What services does Dr. Aaron Siani bill to Medicare?

In 2024, Dr. Siani's most billed Medicare services were medicare service (G2083).

What drugs does Dr. Aaron Siani prescribe most?

In 2024 Medicare Part D data, Dr. Siani's most prescribed drugs by claims were Spravato.

Show 5 more questionsShow fewer questions

Has Dr. Aaron Siani received payments from drug or device companies?

CMS Open Payments shows $265 in general payments to Dr. Siani from 3 companies from 2020 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Aaron Siani been practicing?

Dr. Siani's NPI was assigned in 2013.

Does Dr. Aaron Siani do research?

Dmand AI links 4 publications to Dr. Siani, published from 2011 to 2012.

Who does Dr. Aaron Siani publish with?

Dr. Siani's most frequent co-authors are Timothy Wayne Fong, MD (4 shared papers), Iman Parhami, MD, MPH (4 shared papers) and Homayoon Khanlou, MD (1 shared paper).

What insurance does Dr. Aaron Siani accept?

Dr. Siani is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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