Dr. Dyann M. Chao, MD
- Hospital affiliations
- 1
- Industry payments
- $81
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2011
- Practice address
- 747 52nd Street, Oakland, CA 94609
- Practice phone
- Call (510) 428-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Dyann M. Chao is a pediatrician in Oakland, California
Dr. Chao practices at UCSF Benioff Children's Hospital Oakland in Oakland, California, part of University of California Health.
Dr. Chao's NPI, 1235422155, was assigned on May 25, 2011. Dr. Chao holds California license A82469.
- NPI
- 1235422155NPI Registry (opens in a new tab)
- NPI enumeration date
- May 25, 2011
- NPI status
- Active
- Practice phone
- (510) 428-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Dyann M. Chao practices at UCSF Benioff Children's Hospital Oakland in Oakland, California
Dr. Chao's primary practice is UCSF Benioff Children's Hospital Oakland, at 747 52nd Street, Oakland, CA 94609 in Alameda County. The practice phone is (510) 428-3000.
- UCSF Benioff Children's Hospital Oakland747 52nd Street, Oakland, CA 94609 · Alameda CountyPhone(510) 428-3000
Source: Dmand AI Affiliation Data
Dr. Dyann M. Chao is affiliated with 3 sites of care and 1 medical group
Dr. Chao's primary practice is UCSF Benioff Children's Hospital Oakland in Oakland, California, part of University of California Health. The medical group on file is UCSF Benioff Children’s Physicians. Dmand AI also links Dr. Chao to 1 more group practice or clinic and 1 school health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dyann M. Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Benioff Children's Hospital Oakland | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dyann M. Chao is one of 8,236 pediatricians in California
Pediatrics is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Chao's licenses on file in 2 states: California and Louisiana.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- Louisiana license
Pediatricians near Dr. Chao
Counts of pediatricians 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. Dyann M. Chao's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Chao's median patient age at 7, with 40% women.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women40%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Dyann M. Chao received $81 in industry payments from 2017 to 2020
CMS Open Payments shows 4 general payments to Dr. Chao from 3 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $44.
General payments to Dr. Chao by program year, 2017 to 2020
Companies that paid Dr. Chao the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Dyann M. 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 | 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 Data |
| 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. Dyann M. 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. Dyann M. Chao's NPI number?
Dr. Dyann M. Chao's NPI number is 1235422155. It was assigned on May 25, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Dyann M. Chao?
Dr. Dyann M. Chao is a pediatrician in Oakland, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Dyann M. Chao practice?
Dr. Chao practices at 747 52nd Street, Oakland, CA 94609. Dr. Chao's primary practice is UCSF Benioff Children's Hospital Oakland in Oakland, California, part of University of California Health. Dmand AI also links Dr. Chao to 1 group practice or clinic and 1 school health center.
What is Dr. Dyann M. Chao's office phone number?
The practice phone on file for Dr. Chao is (510) 428-3000.
What is Dr. Dyann M. Chao's medical license number?
Dr. Chao holds California license A82469, one of the licenses on file in 2 states.
Which states has Dr. Dyann M. Chao been licensed in?
Dmand AI has state licenses on file for Dr. Chao in California and Louisiana.
Which hospitals is Dr. Dyann M. Chao affiliated with?
Dr. Chao practices at UCSF Benioff Children's Hospital Oakland in Oakland, California.
What medical group is Dr. Dyann M. Chao part of?
Dr. Chao is linked to UCSF Benioff Children’s Physicians.
Has Dr. Dyann M. Chao received payments from drug or device companies?
CMS Open Payments shows $81 in general payments to Dr. Chao from 3 companies from 2017 to 2020. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Dyann M. Chao been practicing?
Dr. Chao's NPI was assigned in 2011.
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