Chhy Mao, DMD

  • Oakland, CA
  • Prosthodontist
NPI1558548552
Part D claims, 2024
62
Industry payments
$8
Affiliated sites
2
Medical groups
2
State license
1
Practice address
1900 Webster St Ste A Suite A, Oakland, CA 94612-2946
Practice phone
Call (510) 834-4321
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lake Merritt Dental

Dental practice · Oakland, California

See all 4 affiliations

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Chhy Mao is a prosthodontist in Oakland, California

Chhy Mao practices at Lake Merritt Dental in Oakland, California.

Chhy Mao's NPI, 1558548552, was assigned on January 22, 2008. Chhy Mao holds California license 56473.

NPI and contact details
NPI enumeration date
January 22, 2008
NPI status
Active
Practice phone
(510) 834-4321
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Chhy Mao practices at Lake Merritt Dental in Oakland, California

Chhy Mao's primary practice is Lake Merritt Dental, at 1900 Webster St Ste A Suite A, Oakland, CA 94612-2946. The practice phone is (510) 834-4321.

  • Lake Merritt Dental
    1900 Webster St Ste A Suite A, Oakland, CA 94612-2946Phone(510) 834-4321

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Chhy Mao is affiliated with 2 sites of care and 2 medical groups

Chhy Mao's primary practice is Lake Merritt Dental in Oakland, California. Dmand AI also links Chhy Mao to 2 medical groups and 1 group practice or clinic, each named with a free account.

Lake Merritt DentalDental practice · Oakland, CaliforniaPrimary
2 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Chhy Mao

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Chhy Mao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Chhy Mao practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lake Merritt DentalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Chhy Mao is one of 159 prosthodontists in California

Prosthodontics is Chhy Mao's primary specialty in the NPI Registry, under taxonomy code 1223P0700X. Chhy Mao is licensed in California.

Specialties and state licenses

  • Prosthodontist, CaliforniaPrimaryLicense 56473 · taxonomy 1223P0700X

Prosthodontists near Chhy Mao

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

159prosthodontists in California
2prosthodontists in Oakland

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

Chhy Mao wrote 62 Medicare Part D claims in 2024

In 2024, Chhy Mao wrote 62 Medicare Part D claims for 43 patients. 98% of them were for generic drugs.

Part D claims, 202462
Part D patients43

Chhy Mao's Part D claims by kind of drug, 2024

  • Generic61 claims98%
  • Brand-name and other1 claims2%

Drug classes CMS tracks in Chhy Mao's Part D claims, 2024

  • Antibiotics97%60 of 62 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

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Chhy Mao received $8 in industry payments in 2025

CMS Open Payments shows 1 general payment to Chhy Mao from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $8.

Companies that paid Chhy Mao the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Chhy Mao

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

Sources for Chhy Mao'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 phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Chhy Mao

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Chhy Mao's NPI number?

Chhy Mao's NPI number is 1558548552. It was assigned on January 22, 2008, and it is active in the NPI Registry.

What does Chhy Mao specialize in?

Chhy Mao is a prosthodontist in Oakland, California. The primary specialty in the NPI Registry is Prosthodontist (taxonomy code 1223P0700X).

Where does Chhy Mao practice?

Chhy Mao practices at 1900 Webster St Ste A Suite A, Oakland, CA 94612-2946. Chhy Mao's primary practice is Lake Merritt Dental in Oakland, California. Dmand AI also links Chhy Mao to 2 medical groups and 1 group practice or clinic.

What is Chhy Mao's office phone number?

The practice phone on file for Chhy Mao is (510) 834-4321.

What is Chhy Mao's medical license number?

Chhy Mao holds California license 56473.

Has Chhy Mao received payments from drug or device companies?

CMS Open Payments shows $8 in general payments to Chhy Mao from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.

How long has Chhy Mao been practicing?

Chhy Mao's NPI was assigned in 2008.

Selling to prosthodontics practices?

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