David Huan Nguyen, MD.
Obstetrics & Gynecology Physician · Valencia, CA
David Huan Nguyen, MD. is an obstetrics & gynecology physician with a practice address in Valencia, California, and NPI 1811042344, issued on Jan 24, 2007. Check the license (California A100354, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Huan Nguyen
- Credential
- MD.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A100354 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25775 Mcbean Pkwy, Valencia, CA 91355
- Phone
- (661) 424-8848
- Enumerated
- Jan 24, 2007
- Record last updated
- Jan 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (661) 424-8849
- Medicaid ID
- 00A1003540 CA
- Medicare enrollment
- Enrolled (PECOS I20080523000200); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 25775 Mcbean Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sittiporn Bencharit, M.D.Gastroenterology Physician1013943331
- Inna Berdichevsky, FNPObstetrics & Gynecology Nurse Practitioner1053301077
- Andy Dang, M.D.Endocrinology, Diabetes & Metabolism Physician1154335735
- Douglas Engh, M.D. ,F.A.C.S., INC.Ophthalmology Physician1538249099
- Edgar Enriquez, M.D.Surgical Oncology Physician1376632547
- Catherine Finney, M.D.Rheumatology Physician1922263474
Verify David Huan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
189 Medicare Part D claims for 71 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Estradiol38 claims
- Oxybutynin Chloride Er25 claims
- Ibuprofen18 claims
- Misoprostol11 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.
Industry payments in 2024: $94.06
3 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Providence Facey Medical FoundationValencia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Huan Nguyen among 5,088 obstetrics & gynecology physician records in California
David Huan Nguyen, MD. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2004 among the 2,700 with a school on file
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Valencia → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- James Creighton, M.D.Valencia, CA 913551144599705
- Morgan Fullerton, MDSanta Clarita, CA 913551497147805
- Cecelia Hann, M.D.Valencia, CA 913551629125075
- Ajit Kittur, MDValencia, CA 913551316960396
- Rachel Long, MDValencia, CA 913551356535371
- Roscoe Marter, MD.Valencia, CA 913551609891142
- Jessica Murphy, M.D.Valencia, CA 913551801158282
- Carolyn Phillips, M.DValencia, CA 913551184120081
Common questions
What is David Huan Nguyen, MD.'s NPI number?
David Huan Nguyen, MD.'s National Provider Identifier (NPI) is 1811042344, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Huan Nguyen, MD. located?
The NPPES record lists a practice address at 25775 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 424-8848. Providers update this record themselves, so call before visiting.
How can I verify David Huan Nguyen, MD.'s license?
NPPES lists California license number A100354, 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 Huan Nguyen, MD. prescribe under Medicare Part D?
In 2024, David Huan Nguyen, MD. had 189 Medicare Part D claims for 71 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.