NPPES file of Aug 9, 2026

Dennis Sakaki Wong, M.D.

Family Medicine Physician · San Juan Capistrano, CA

Dennis Sakaki Wong, M.D. is a family medicine physician with a practice address in San Juan Capistrano, California, and NPI 1609016088, issued on Feb 25, 2009. Check the license (California A104251, as entered in NPPES) on the Medical Board of California; 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
1609016088
Name
Dennis Sakaki Wong
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A104251 CA
Self-reported in NPPES; status is on the state search
Practice location
30400 Camino Capistrano, San Juan Capistrano, CA 92675
Phone
(949) 234-2139
Enumerated
Feb 25, 2009
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090728000187); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 30400 Camino Capistrano

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

  1. Denise Dinh, PHARMDPharmacist1467990192
  2. Daniel Hsien, PT, DPTPhysical Therapist1215245436
  3. Nasim Murray, M.D.Family Medicine Physician1326271230
  4. Sabrina Nguyen, PHARMDPharmacist1609654045
  5. Steven Stappaerts, MDFamily Medicine Physician1235407891
  6. Melissa Stults, D.O.Family Medicine Physician1871636639

Verify Dennis Sakaki Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104251    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

18% fewer Medicare Part D claims than the average family medicine physician in 2024

2,891 Medicare Part D claims for 488 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 205 claims were for opioids.

  1. Dennis Wong2,891
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium177 claims
  2. Amlodipine Besylate119 claims
  3. Losartan Potassium85 claims
  4. Levothyroxine Sodium76 claims
  5. Lisinopril71 claims
  6. Hydrocodone-Acetaminophen69 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

  1. Permanente Medical Group IncWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dennis Sakaki Wong among 17,133 family medicine physician records in California

Dennis Sakaki Wong, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2006 · median 2005 among the 10,652 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 family medicine physician records list a practice address in San Juan Capistrano

They are 27 of the 676 NPPES records with a practice address in San Juan Capistrano, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in San Juan Capistrano → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Craig Albert, MDSan Juan Capistrano, CA 926751881684405
  2. James Ashizawa, MDSan Juan Capistrano, CA 926751588654123
  3. Anton Giger, DOSan Juan Capistrano, CA 926751689764003
  4. Scott Greenspan, MDSan Juan Capistrano, CA 926751427049071
  5. Firozeh Gruber, MDSan Juan Capistrano, CA 926751417968496
  6. Olina Harwer, M.D.San Juan Capistrano, CA 926751174536726
  7. Richard Hernandez, MDSan Juan Capistrano, CA 926751790776805
  8. Andrew Hong, MDSan Juan Capistrano, CA 926751700877842

Common questions

What is Dennis Sakaki Wong, M.D.'s NPI number?

Dennis Sakaki Wong, M.D.'s National Provider Identifier (NPI) is 1609016088, issued on Feb 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Sakaki Wong, M.D. located?

The NPPES record lists a practice address at 30400 Camino Capistrano, San Juan Capistrano, CA, 92675. Phone: (949) 234-2139. Providers update this record themselves, so call before visiting.

How can I verify Dennis Sakaki Wong, M.D.'s license?

NPPES lists California license number A104251, 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 Dennis Sakaki Wong, M.D. prescribe under Medicare Part D?

In 2024, Dennis Sakaki Wong, M.D. had 2,891 Medicare Part D claims for 488 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.