Gloria Hoaihuong Nguyen, M.D.
Dermatology Physician · Redwood City, CA
Gloria Hoaihuong Nguyen, M.D. is a dermatology physician with a practice address in Redwood City, California, and NPI 1609166149, issued on Apr 18, 2011. Check the license (California A143325, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gloria Hoaihuong Nguyen
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A143325 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Broadway St, Redwood City, CA 94063
- Phone
- (650) 725-6638
- Enumerated
- Apr 18, 2011
- Record last updated
- Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (650) 721-3476
- Medicare enrollment
- Enrolled (PECOS I20160919001286); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2011
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 450 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Josefina Baca-Asher, PA-CPhysician Assistant1477796688
- Eldridge Batuyong, MDOrthopaedic Surgery Physician1639427321
- George Bugarinovic, MDSports Medicine (Orthopaedic Surgery) Physician1366062770
- Alexander Caspary-IsarOrthopedic Physical Therapist1043176084
- Michael Chen, MDStudent in an Organized Health Care Education/Training Program1588452403
Verify Gloria Hoaihuong Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143325Check 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 dermatology physician in 2024
314 Medicare Part D claims for 121 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clobetasol Propionate71 claims
- Triamcinolone Acetonide21 claims
- Fluorouracil20 claims
- Gabapentin13 claims
- Hydrocortisone12 claims
- Metronidazole12 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: $124.98
1 payment: food and beverage; the largest payer was Amgen Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gloria Hoaihuong Nguyen among 2,083 dermatology physician records in California
Gloria Hoaihuong Nguyen, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2006 among the 1,450 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Redwood City → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Carol Chan, MDRedwood City, CA 940631669550208
- Molly Johnson, MDRedwood City, CA 940631093893638
- Ern Loh, M.D.Redwood City, CA 940631144450917
- Gabriel Molina, MDRedwood City, CA 940631083243786
- Cynthia Ng, MDRedwood City, CA 940631982782488
- Alison Rhein, MDRedwood City, CA 940631164418828
- Pallavi Sprau, MDRedwood City, CA 940631932738341
- Glenda Swetman, M.D.Redwood City, CA 940631093987950
Common questions
What is Gloria Hoaihuong Nguyen, M.D.'s NPI number?
Gloria Hoaihuong Nguyen, M.D.'s National Provider Identifier (NPI) is 1609166149, issued on Apr 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Gloria Hoaihuong Nguyen, M.D. located?
The NPPES record lists a practice address at 450 Broadway St, Redwood City, CA, 94063. Phone: (650) 725-6638. Providers update this record themselves, so call before visiting.
How can I verify Gloria Hoaihuong Nguyen, M.D.'s license?
NPPES lists California license number A143325, 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 Gloria Hoaihuong Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Gloria Hoaihuong Nguyen, M.D. had 314 Medicare Part D claims for 121 beneficiaries; the average among dermatology physician prescribers was 797. 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.