David Ngo

  • La Palma, CA
  • Emergency medicine physician
NPI1922240423PAC ID9830352335
Medicare services, 2024
358
Medicare patients, 2024
250
Part D claims, 2024
172
MIPS score, 2024
96
Hospital affiliations
2
Practice address
7901 Walker Street, La Palma, CA 90623
Practice phone
Call (714) 670-7400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

La Palma Intercommunity Hospital

Hospital · La Palma, California

See all 8 affiliations

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David Ngo is an emergency medicine physician in La Palma, California

David Ngo practices at La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services.

David Ngo's NPI, 1922240423, was assigned on March 30, 2009. David Ngo graduated from VCU School of Medicine in 2009. David Ngo's California license number on file is A1204341.

NPI and contact details
Medicare PAC ID
9830352335
NPI enumeration date
March 30, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 670-7400
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

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

David Ngo practices at La Palma Intercommunity Hospital in La Palma, California

David Ngo's primary practice is La Palma Intercommunity Hospital, at 7901 Walker Street, La Palma, CA 90623 in Orange County. The practice phone is (714) 670-7400.

Source: Dmand AI Affiliation Data

David Ngo is affiliated with 3 sites of care and 5 medical groups

David Ngo's primary practice is La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services. David Ngo is also affiliated with Huntington Beach Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links David Ngo to 4 more medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for David Ngo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at David Ngo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Ngo practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
La Palma Intercommunity HospitalAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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David Ngo is one of 7,423 emergency medicine physicians in California

Emergency medicine is David Ngo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. David Ngo is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has David Ngo's licenses on file in 3 states: California, Hawaii and Pennsylvania.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A1204341 · 2012 to 2025 · taxonomy 207P00000X
  • Hawaii license2012 to 2016
  • Pennsylvania license2009 to 2012

Emergency medicine physicians near David Ngo

Counts of emergency medicine physicians 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

David Ngo billed Medicare for 358 services in 2024

CMS data shows 358 Medicare services from David Ngo across 5 procedure codes in 2024, for 250 Medicare patients. Medicare paid $29,689 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024358
Medicare patients250
Paid by Medicare$29,689
Procedure codes5

David Ngo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2742024: 23514%
Tests and treatments
2023: 602024: 7728%
Imaging
2023: 612024: 4625%

David Ngo compared with the California median for emergency medicine physicians, 2024

  • David Ngo
  • California median
Medicare services
358vs 26535% above
Medicare patients
250vs 243Close to median
Part D claims
66vs 626% above

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

David Ngo's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by David Ngo

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

David Ngo treated 250 Medicare patients in 2024, average age 73

CMS counts 250 Medicare patients who saw David Ngo in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 78% are also on Medicaid. Their average risk score is 2.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Ngo's median patient age at 45, with 52% women.

Medicare patients, 2024250
Average age73
Average risk score2.47
Also on Medicaid78%

David Ngo's Medicare patients by age, 2024

David Ngo's Medicare patients by sex, 2024

  • Women13353%
  • Men11747%

Chronic conditions among David Ngo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders60%
  4. Depression57%
  5. Diabetes55%
  6. Arthritis53%
  7. Anxiety50%
  8. Chronic kidney disease47%

Share of Medicare patients with each condition. A patient can have several.

David 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 45

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

David Ngo wrote 172 Medicare Part D claims in 2024

In 2024, David Ngo wrote 172 Medicare Part D claims for 108 patients. 94% of them were for generic drugs. CMS names the drug for 66 of them, across 4 drugs with 11 or more claims each, at $409 in total drug cost. In 2023, CMS named 57 claims across 4 drugs.

Part D claims, 2024172
Drugs named by CMS4
Total drug cost$409
Part D patients108

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

  • Generic161 claims94%
  • Brand-name11 claims6%

David Ngo'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.

Drug classes CMS tracks in David Ngo's Part D claims, 2024

  • Opioids15%26 of 172 claims
  • Antibiotics37%63 of 172 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 572024: 6616%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by David Ngo

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

David Ngo scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for David Ngo for performance year 2024, reported as part of a group. David Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

David Ngo's MIPS scores, performance year 2024

  • 96of 100Final score
  • 83.3of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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David Ngo received $296 in industry payments from 2017 to 2024

CMS Open Payments shows 8 general payments to David Ngo from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $125.

General payments to David Ngo by program year, 2017 to 2024

Companies that paid David Ngo the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to David Ngo

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

David Ngo graduated from VCU School of Medicine

David Ngo graduated from VCU School of Medicine in 2009.

  1. Medical schoolVCU School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

David Ngo accepts plans from 2 insurance carriers

David Ngo is in network with 2 carriers, including GA State Medicaid and NV State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • GA State Medicaid
  • NV State Medicaid

Source: Dmand AI Insurance Network Data

Sources for David 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 David 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 David Ngo's NPI number?

David Ngo's NPI number is 1922240423. It was assigned on March 30, 2009, and it is active in the NPI Registry.

What does David Ngo specialize in?

David Ngo is an emergency medicine physician in La Palma, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does David Ngo practice?

David Ngo practices at 7901 Walker Street, La Palma, CA 90623. David Ngo's primary practice is La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services. Dmand AI also links David Ngo to 4 medical groups and 1 group practice or clinic.

What is David Ngo's office phone number?

The practice phone on file for David Ngo is (714) 670-7400.

What is David Ngo's medical license number?

David Ngo's California license number on file is A1204341, one of the licenses on file in 3 states.

Which states has David Ngo been licensed in?

Dmand AI has state licenses on file for David Ngo in California (2012 to 2025), Hawaii (2012 to 2016) and Pennsylvania (2009 to 2012).

Which hospitals is David Ngo affiliated with?

David Ngo practices at La Palma Intercommunity Hospital in La Palma, California. David Ngo is also affiliated with Huntington Beach Hospital.

What medical group is David Ngo part of?

David Ngo is linked to Southern California Permanente Medical Group. Dmand AI links David Ngo to 4 more medical groups.

Does David Ngo accept Medicare?

Yes. CMS data shows David Ngo billed Medicare for 358 services in 2024, and David Ngo accepts Medicare assignment.

What is David Ngo's MIPS score?

David Ngo's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does David Ngo see?

CMS counts 250 Medicare patients who saw David Ngo in 2024, with an average age of 73.

Is David Ngo board certified?

Yes. David Ngo is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does David Ngo bill to Medicare?

In 2024, David Ngo's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did David Ngo go to medical school?

David Ngo graduated from VCU School of Medicine in 2009.

What drugs does David Ngo prescribe most?

In 2024 Medicare Part D data, David Ngo's most prescribed drugs by claims were Cephalexin, Sulfamethoxazole-Trimethoprim and Ondansetron ODT.

Has David Ngo received payments from drug or device companies?

CMS Open Payments shows $296 in general payments to David Ngo from 4 companies from 2017 to 2024. The largest total came from Alkermes, Inc.

How long has David Ngo been practicing?

David Ngo graduated from medical school in 2009, 17 years ago.

What insurance does David Ngo accept?

David Ngo is in network with 2 carriers, including GA State Medicaid and NV State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

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