Diana Quynh-Dao Ho, MD
Dermatology Physician · San Jose, CA
Diana Quynh-Dao Ho, MD is a dermatology physician with a practice address in San Jose, California, and NPI 1891845608, issued on Jan 12, 2007. Check the license (California A74281, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Quynh-Dao Ho
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A74281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 260 International Cir, San Jose, CA 95119
- Phone
- (408) 972-7000
- Enumerated
- Jan 12, 2007
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040826001347); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 260 International Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diana Quynh-Dao Ho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average dermatology physician in 2024
180 Medicare Part D claims for 84 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. 13 claims were for opioids.
Most prescribed
- Cephalexin28 claims
- Calcipotriene21 claims
- Fluorouracil20 claims
- Hydrocodone-Acetaminophen13 claims
- Triamcinolone Acetonide13 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.
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).
Diana Quynh-Dao Ho among 2,083 dermatology physician records in California
Diana Quynh-Dao Ho, MD 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · 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 San Jose → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Peter Cham, MDSan Jose, CA 951191891827788
- Michael Gifford, MDSan Jose, CA 951191588740005
- William Hennessy, M.D.San Jose, CA 951191619184157
- Vista Khosravi, M.D.San Jose, CA 951191407868789
- Henry Lee, MDSan Jose, CA 951191780760207
- Kathryne Mooney, MDSan Jose, CA 951191265518773
- Eric Starr, MDSan Jose, CA 951191134271356
- Livia Van, MDSan Jose, CA 951191023262185
Common questions
What is Diana Quynh-Dao Ho, MD's NPI number?
Diana Quynh-Dao Ho, MD's National Provider Identifier (NPI) is 1891845608, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diana Quynh-Dao Ho, MD located?
The NPPES record lists a practice address at 260 International Cir, San Jose, CA, 95119. Phone: (408) 972-7000. Providers update this record themselves, so call before visiting.
How can I verify Diana Quynh-Dao Ho, MD's license?
NPPES lists California license number A74281, 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 Diana Quynh-Dao Ho, MD prescribe under Medicare Part D?
In 2024, Diana Quynh-Dao Ho, MD had 180 Medicare Part D claims for 84 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.