David S. Chang, DO
Family Medicine Physician · Silverdale, WA
David S. Chang, DO is a family medicine physician with a practice address in Silverdale, Washington, and NPI 1437465424, issued on Aug 27, 2010. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David S. Chang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- UO2604 FL
Self-reported in NPPES; status is on the state search - Practice location
- 9398 Ridgetop Blvd NW, Silverdale, WA 98383
- Phone
- (360) 782-3200
- Enumerated
- Aug 27, 2010
- Record last updated
- Feb 11, 2022
- Fax
- (360) 782-3240
- Medicare enrollment
- Enrolled (PECOS I20170126001633); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 9398 Ridgetop Blvd NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arunas Banionis, D.O.Family Medicine Physician1801871074
- Tiffin Clegg, MDFamily Medicine Physician1982695219
- Jason Durbin, D.O.Urology Physician1124098173
- Todd Garvin, M.D.Urology Physician1538111836
- Anjandeep Hara, MDFamily Medicine Physician1649793027
- Theodore Johnsrude, M.D.Urology Physician1265484299
Verify David S. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
9,006 Medicare Part D claims for 1,153 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 403 claims were for opioids.
Most prescribed
- Atorvastatin Calcium552 claims
- Losartan Potassium366 claims
- Levothyroxine Sodium302 claims
- Amlodipine Besylate276 claims
- Hydrocodone-Acetaminophen255 claims
- Lisinopril228 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 IncRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David S. Chang among 5,534 family medicine physician records in Washington
David S. Chang, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2009 among the 3,294 with a school on file
- Record last updated2022 · 57% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family medicine physician records list a practice address in Silverdale
They are 42 of the 1,305 NPPES records with a practice address in Silverdale, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Silverdale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Arunas Banionis, D.O.Silverdale, WA 983831801871074
- Tiffin Clegg, MDSilverdale, WA 983831982695219
- David Congdon, MDSilverdale, WA 983831841271236
- Angela Droz, MDSilverdale, WA 983831841259785
- Guy Earle, MDSilverdale, WA 983831356329551
- Stefan Groetsch, MDSilverdale, WA 983831679543268
- Courtenay Havers, M.D.Silverdale, WA 983831619913100
- Ronda Luce, MDSilverdale, WA 983831609951243
Common questions
What is David S. Chang, DO's NPI number?
David S. Chang, DO's National Provider Identifier (NPI) is 1437465424, issued on Aug 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David S. Chang, DO located?
The NPPES record lists a practice address at 9398 Ridgetop Blvd NW, Silverdale, WA, 98383. Phone: (360) 782-3200. Providers update this record themselves, so call before visiting.
How can I verify David S. Chang, DO's license?
Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David S. Chang, DO prescribe under Medicare Part D?
In 2024, David S. Chang, DO had 9,006 Medicare Part D claims for 1,153 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.
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.