John C A Chao, DDS
- Part D claims, 2024
- 117
- Industry payments
- $67
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 S 1st St, Alhambra, CA 91801
- Practice phone
- Call (626) 308-9104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alhambra Dental (Dr. John Chao, DDS)
Physician office · Alhambra, California
Find John 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.
John C A Chao is a general practice dentistry in Alhambra, California
John Chao practices at Alhambra Dental (Dr. John Chao, DDS) in Alhambra, California.
John Chao's NPI, 1902818198, was assigned on August 13, 2006. John Chao holds California license D19333.
- NPI
- 1902818198NPI Registry (opens in a new tab)
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Practice phone
- (626) 308-9104
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John C A Chao practices at Alhambra Dental (Dr. John Chao, DDS) in Alhambra, California
John Chao's primary practice is Alhambra Dental (Dr. John Chao, DDS), at 100 S 1st St, Alhambra, CA 91801. The practice phone is (626) 308-9104.
- Alhambra Dental (Dr. John Chao, DDS)100 S 1st St, Alhambra, CA 91801Phone(626) 308-9104
Source: Dmand AI Affiliation Data
John C A Chao is affiliated with 1 site of care
John Chao's primary practice is Alhambra Dental (Dr. John Chao, DDS) in Alhambra, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John C A Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Chao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alhambra Dental (Dr. John Chao, DDS) | Available with a free account |
Source: Dmand AI Technology Install Data
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John C A Chao is one of 7,627 general practice dentistrys in California
General practice is John Chao's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Chao is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near John Chao
Counts of general practice dentistrys 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
John C A Chao's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts John Chao's median patient age at 54, with 0% women.
John 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 54
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
John C A Chao wrote 117 Medicare Part D claims in 2024
In 2024, John Chao wrote 117 Medicare Part D claims for 59 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John Chao's Part D claims, 2024
- Antibiotics99%116 of 117 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John C A Chao received $67 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Chao from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Geistlich Pharma, North America, Inc. paid the most, $45.
Companies that paid John Chao the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John C A 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 John C A 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 John C A Chao's NPI number?
John C A Chao's NPI number is 1902818198. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What does John C A Chao specialize in?
John C A Chao is a general practice dentistry in Alhambra, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John C A Chao practice?
John Chao practices at 100 S 1st St, Alhambra, CA 91801. John Chao's primary practice is Alhambra Dental (Dr. John Chao, DDS) in Alhambra, California.
What is John C A Chao's office phone number?
The practice phone on file for John Chao is (626) 308-9104.
What is John C A Chao's medical license number?
John Chao holds California license D19333.
Has John C A Chao received payments from drug or device companies?
CMS Open Payments shows $67 in general payments to John Chao from 2 companies from 2025 to 2025. The largest total came from Geistlich Pharma, North America, Inc.
How long has John C A Chao been practicing?
John Chao's NPI was assigned in 2006.
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