Dr. Harrison Ngo, MD

  • Richmond, CA
  • Internist
NPI1922740554
Part D claims, 2024
67
Publications
1
Industry payments
$178
State license
1
Year NPI issued
2022
Practice address
914 Marina Way, Richmond, CA 94804
Practice phone
Call (800) 242-2787
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Arup Laboratories

Richmond, California

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Dr. Harrison Ngo is an internist in Richmond, California

Dr. Ngo practices at Arup Laboratories in Richmond, California.

Dr. Ngo's NPI, 1922740554, was assigned on April 13, 2022. Dr. Ngo holds Virginia license 0116036651.

NPI and contact details
NPI enumeration date
April 13, 2022
NPI status
Active
Practice phone
(800) 242-2787
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; and Dmand AI Practice Data

Dr. Harrison Ngo practices at Arup Laboratories in Richmond, California

Dr. Ngo's primary practice is Arup Laboratories, at 914 Marina Way, Richmond, CA 94804 in Contra Costa County. The practice phone is (800) 242-2787.

  • Arup Laboratories
    914 Marina Way, Richmond, CA 94804 · Contra Costa CountyPhone(800) 242-2787

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

Dr. Harrison Ngo is affiliated with 1 site of care

Dr. Ngo's primary practice is Arup Laboratories in Richmond, California.

Arup LaboratoriesRichmond, CaliforniaPrimary

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

Dmand AI tracks the EHR system at Dr. Harrison Ngo's practice

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

EHR by site
SiteEHR vendor and product
Arup LaboratoriesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Harrison Ngo is one of 16,751 internists in California

Internal medicine is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ngo is licensed in Virginia.

Specialties and state licenses

  • Internal medicine, VirginiaPrimaryLicense 0116036651 · taxonomy 207R00000X

Internists near Dr. Ngo

Counts of internists 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. Harrison Ngo's patients have a median age of 54

Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 54, with 0% women.

Dr. Ngo'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

Dr. Harrison Ngo wrote 67 Medicare Part D claims in 2024

In 2024, Dr. Ngo wrote 67 Medicare Part D claims for 21 patients. 87% of them were for generic drugs.

Part D claims, 202467
Part D patients21

Dr. Ngo's Part D claims by kind of drug, 2024

  • Generic58 claims87%
  • Brand-name and other9 claims13%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Harrison Ngo has 1 publication on record

Dmand AI links 1 paper to Dr. Ngo in 2021. Dr. Ngo's most frequent co-author is Stamatina Danielides.

Papers1

Dr. Ngo's most frequent co-authors

Recent publications by Dr. Ngo

See all 1 publications and co-authors

See who Dr. Ngo researches with

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

How network discovery works

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

Dr. Harrison Ngo received $178 in industry payments in 2025

CMS Open Payments shows 2 general payments to Dr. Ngo from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $120.

Companies that paid Dr. Ngo the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ngo

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

Sources for Dr. Harrison Ngo'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
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
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. Harrison Ngo

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. Harrison Ngo's NPI number?

Dr. Harrison Ngo's NPI number is 1922740554. It was assigned on April 13, 2022, and it is active in the NPI Registry.

What kind of doctor is Dr. Harrison Ngo?

Dr. Harrison Ngo is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Harrison Ngo practice?

Dr. Ngo practices at 914 Marina Way, Richmond, CA 94804. Dr. Ngo's primary practice is Arup Laboratories in Richmond, California.

What is Dr. Harrison Ngo's office phone number?

The practice phone on file for Dr. Ngo is (800) 242-2787.

What is Dr. Harrison Ngo's medical license number?

Dr. Ngo holds Virginia license 0116036651.

Has Dr. Harrison Ngo received payments from drug or device companies?

CMS Open Payments shows $178 in general payments to Dr. Ngo from 2 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Harrison Ngo been practicing?

Dr. Ngo's NPI was assigned in 2022.

Does Dr. Harrison Ngo do research?

Dmand AI links 1 publication to Dr. Ngo.

Who does Dr. Harrison Ngo publish with?

Dr. Ngo's most frequent co-authors are Stamatina Danielides (1 shared paper).

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