David Dungchi Nguyen, MD
Pediatric Adolescent Medicine Physician · Fountain Valley, CA
David Dungchi Nguyen, MD is a pediatric adolescent medicine physician with a practice address in Fountain Valley, California, and NPI 1699845156, issued on Nov 9, 2006. Check the license (California A54119, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Dungchi Nguyen
- Credential
- MD
- Primary taxonomy
- Pediatric Adolescent Medicine Physician 2080A0000X
- License number
- A54119 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16040 Harbor Blvd, Fountain Valley, CA 92708
- Phone
- (714) 775-2600
- Enumerated
- Nov 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 775-2622
- Entity
- Type 1 · individual
8 nearest pediatric adolescent medicine physician records → All 280 in California → Look up another NPI →
Also registered at 16040 Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hoang Nguyen, M.D.Internal Medicine Physician1457329179
- Sunmi ParkAcupuncturist1366863151
Verify David Dungchi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average pediatric adolescent medicine physician in 2024
33 Medicare Part D claims for 16 beneficiaries, against an average of 148 among the 384 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $6,380.06
12 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 859 providers of this specialty with any payment received $389.79 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.
David Dungchi Nguyen among 280 pediatric adolescent medicine physician records in California
David Dungchi Nguyen, MD is one of 280 pediatric adolescent medicine physician records with a practice address in California. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 37% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Adolescent Medicine Physician providers in California
There are 280 pediatric adolescent medicine physician records in California.
All 280 in California → Every provider in Fountain Valley → Pediatric Adolescent Medicine Physician nationwide →
The 8 pediatric adolescent medicine physician records with the nearest ZIP codes
- Katherine Teeple, A84177San Clemente, CA 926731144375791
- Glenn Katz, M.D.San Clemente, CA 926721336230267
- Jennifer Johnson, M.D.Newport Beach, CA 926601982648192
- Jan Johnson, BJ6359271Aliso Viejo, CA 926561326193632
- Mary Ann Wilkinson, G067652Laguna Hills, CA 926531427103365
- Catharina Wolde-Yohannes, A052811Laguna Hills, CA 926531831244771
- Eleanor Blatt, M.D.Huntington Beach, CA 926481578804084
- Michelle Bennett, M.D.Huntington Beach, CA 926471598726507
Common questions
What is David Dungchi Nguyen, MD's NPI number?
David Dungchi Nguyen, MD's National Provider Identifier (NPI) is 1699845156, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Dungchi Nguyen, MD located?
The NPPES record lists a practice address at 16040 Harbor Blvd, Fountain Valley, CA, 92708. Phone: (714) 775-2600. Providers update this record themselves, so call before visiting.
How can I verify David Dungchi Nguyen, MD's license?
NPPES lists California license number A54119, 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 David Dungchi Nguyen, MD prescribe under Medicare Part D?
In 2024, David Dungchi Nguyen, MD had 33 Medicare Part D claims for 16 beneficiaries; the average among pediatric adolescent medicine physician prescribers was 148. Part D covers Medicare prescriptions only.
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.