Dallis Quang Ngo, D.O., M.S.
Pulmonary Disease Physician · Pomona, CA
Dallis Quang Ngo, D.O., M.S. is a pulmonary disease physician with a practice address in Pomona, California, and NPI 1174055149, issued on Mar 29, 2017. Check the license (California 20A16871, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dallis Quang Ngo
- Credential
- D.O., M.S.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 20A16871 CA
2022013108 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1940 N Orange Grove Ave Ste A, Pomona, CA 91767
- Phone
- (909) 865-6900
- Enumerated
- Mar 29, 2017
- Record last updated
- Oct 25, 2024
- Fax
- (909) 865-6300
- Medicare enrollment
- Enrolled (PECOS I20230831003254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 1940 N Orange Grove Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony GanPulmonary Disease Physician1902223092
- Derrick Raptis, M.D.Pulmonary Disease Physician1679749683
- Rakesh Sinha, M.B.B.S., M.D.Pulmonary Disease Physician1306006358
Verify Dallis Quang Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
555 Medicare Part D claims for 100 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Albuterol Sulfate Hfa129 claims
- Trelegy Ellipta88 claims
- Breo Ellipta46 claims
- Fluticasone Propionate26 claims
- Montelukast Sodium26 claims
- Eliquis24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,245.10
33 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Chaparral Medical Group IncPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dallis Quang Ngo among 1,443 pulmonary disease physician records in California
Dallis Quang Ngo, D.O., M.S. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2002 among the 1,061 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Pomona → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Nadir Eltahir, MDPomona, CA 917671053389338
- Anthony GanPomona, CA 917671902223092
- Joseph Gordon, M.D.Pomona, CA 917671811243652
- Alexander Kassar, MDPomona, CA 917671588008767
- Derrick Raptis, M.D.Pomona, CA 917671679749683
- Gurbinder Sadana, M.D.Pomona, CA 917671205898327
- Rohinder Sandhu, MDPomona, CA 917671902997174
- Rakesh Sinha, M.B.B.S., M.D.Pomona, CA 917671306006358
Common questions
What is Dallis Quang Ngo, D.O., M.S.'s NPI number?
Dallis Quang Ngo, D.O., M.S.'s National Provider Identifier (NPI) is 1174055149, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Dallis Quang Ngo, D.O., M.S. located?
The NPPES record lists a practice address at 1940 N Orange Grove Ave Ste A, Pomona, CA, 91767. Phone: (909) 865-6900. Providers update this record themselves, so call before visiting.
How can I verify Dallis Quang Ngo, D.O., M.S.'s license?
NPPES lists California license number 20A16871, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dallis Quang Ngo, D.O., M.S. prescribe under Medicare Part D?
In 2024, Dallis Quang Ngo, D.O., M.S. had 555 Medicare Part D claims for 100 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Dallis Quang Ngo, D.O., M.S.'s MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.