Dr. Ryan Chao, MD
- Part D claims, 2024
- 114
- Industry payments
- $175
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 3016 W Charleston Blvd, Las Vegas, NV 89102
- Practice phone
- Call (510) 304-7635
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chao'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. Ryan Chao is a psychiatrist in Las Vegas, Nevada
Dr. Chao practices with County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic, a medical group.
Dr. Chao's NPI, 1437786076, was assigned on March 24, 2020. Dr. Chao holds California license 192584.
- NPI
- 1437786076NPI Registry (opens in a new tab)
- NPI enumeration date
- March 24, 2020
- NPI status
- Active
- Practice phone
- (510) 304-7635
- 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. Ryan Chao's practice address is in Las Vegas, Nevada
Dr. Chao's practice address in the NPI Registry is 3016 W Charleston Blvd, Las Vegas, NV 89102, in Clark County. The practice phone is (510) 304-7635.
- NPI Registry address3016 W Charleston Blvd, Las Vegas, NV 89102 · Clark CountyPhone(510) 304-7635
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Chao is affiliated with 1 medical group
Dr. Chao is part of County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic, a medical group in San Jose, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ryan Chao is one of 227 psychiatrists in Nevada
Psychiatry is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chao is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Chao
Counts of psychiatrists 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. Ryan Chao wrote 114 Medicare Part D claims in 2024
In 2024, Dr. Chao wrote 114 Medicare Part D claims for 18 patients. 98% of them were for generic drugs. CMS names the drug for 71 of them, across 5 drugs with 11 or more claims each, at $683 in total drug cost. In 2023, CMS named 337 claims across 14 drugs.
Dr. Chao's Part D claims by kind of drug, 2024
- Generic112 claims98%
- Brand-name and other2 claims2%
Dr. Chao'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: 3372024: 7179%
Drugs named by CMS: 5 in 2024, 14 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
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ryan Chao received $175 in industry payments from 2023 to 2024
CMS Open Payments shows 9 general payments to Dr. Chao from 6 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $58.
General payments to Dr. Chao by program year, 2023 to 2024
Companies that paid Dr. Chao the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ryan Chao'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 | Dmand AI Affiliation Data |
| 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) |
| 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. Ryan Chao
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. Ryan Chao's NPI number?
Dr. Ryan Chao's NPI number is 1437786076. It was assigned on March 24, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Chao?
Dr. Ryan Chao is a psychiatrist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ryan Chao practice?
Dr. Chao practices at 3016 W Charleston Blvd, Las Vegas, NV 89102. Dr. Chao's primary practice is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic, a medical group.
What is Dr. Ryan Chao's office phone number?
The practice phone on file for Dr. Chao is (510) 304-7635.
What is Dr. Ryan Chao's medical license number?
Dr. Chao holds California license 192584.
What medical group is Dr. Ryan Chao part of?
Dr. Chao is part of County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic in San Jose, California.
What drugs does Dr. Ryan Chao prescribe most?
In 2024 Medicare Part D data, Dr. Chao's most prescribed drugs by claims were Escitalopram Oxalate, Quetiapine Fumarate and Divalproex Sodium.
Has Dr. Ryan Chao received payments from drug or device companies?
CMS Open Payments shows $175 in general payments to Dr. Chao from 6 companies from 2023 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Ryan Chao been practicing?
Dr. Chao's NPI was assigned in 2020.
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