NPPES file of Aug 9, 2026

Harold K. Fung, DMD

Dentist · Oakland, CA

Harold K. Fung, DMD is a dentist with a practice address in Oakland, California, and NPI 1780765198, issued on Oct 19, 2006. Check the license (California 36538, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780765198
Name
Harold K. Fung
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
36538 CA
Self-reported in NPPES; status is on the state search
Practice location
345 9TH St, Oakland, CA 94607
Phone
(510) 834-8386
Enumerated
Oct 19, 2006
Record last updated
Aug 21, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 834-3682
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 345 9TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joyce Chen, D.D.S.General Practice Dentistry1750496832
  2. Kevin Chen, D.C.Acupuncturist1912903675
  3. Sophia Chen, M.D.Ophthalmology Physician1033183934
  4. Karen Ching, DDSPediatric Dentistry1891830378
  5. Diana Fong, D.D.S.General Practice Dentistry1023133949
  6. Roger Fung, DDSDentist1144421637

Verify Harold K. Fung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 36538
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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24% more Medicare Part D claims than the average dentist in 2024

107 Medicare Part D claims for 41 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Harold Fung107
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate31 claims
  2. Amoxicillin21 claims
  3. Doxycycline Hyclate17 claims
  4. Amoxicillin-Clavulanate Potass11 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.

Harold K. Fung among 14,729 dentist records in California

Harold K. Fung, DMD is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in California

There are 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Siu Kelvin Auyoung, DDSOakland, CA 946071720415698
  2. Guei Mei Chiang, DDSOakland, CA 946071407981798
  3. Stephen Ching, DDSOakland, CA 946071164434072
  4. Roger Fung, DDSOakland, CA 946071144421637
  5. Robert Hay, D.D.S.Oakland, CA 946071548251614
  6. Zhi Jiang, DDSOakland, CA 946071942421060
  7. Wynne Ko, DDSOakland, CA 946071801959358
  8. Elisa Kuo, D.D.S.Oakland, CA 946071861608358

Common questions

What is Harold K. Fung, DMD's NPI number?

Harold K. Fung, DMD's National Provider Identifier (NPI) is 1780765198, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harold K. Fung, DMD located?

The NPPES record lists a practice address at 345 9TH St, Oakland, CA, 94607. Phone: (510) 834-8386. Providers update this record themselves, so call before visiting.

How can I verify Harold K. Fung, DMD's license?

NPPES lists California license number 36538, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Harold K. Fung, DMD prescribe under Medicare Part D?

In 2024, Harold K. Fung, DMD had 107 Medicare Part D claims for 41 beneficiaries; the average among dentist prescribers was 86. 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.